# REVIEWS.io

> REVIEWS.io is a third-party review platform that collects company and product reviews on behalf of ecommerce and service businesses, hosts them on public profiles, and syndicates ratings into Google Seller Ratings, Google Shopping, and on-site widgets with review structured data; it is a Google-licensed review partner, adds photo and video collection, surveys, and shoppable user-generated content galleries, and prices from $29 per month per domain for 300 review invitations.

- Category: Testimonials & Social Proof (https://saastracker.org/categories/reviews-social-proof)
- Website: https://www.reviews.io
- Starting price: $29 per month per domain (Essentials)
- Free plan: No
- Free trial: 14 days on the self-serve plans
- Founded: 2012, HQ: Leicester, United Kingdom, with offices in Irvine, Sydney, and Berlin, Ownership: Owned by AppHub following a November 2022 acquisition
- Profile last reviewed: 2026-08-22
- Canonical profile: https://saastracker.org/products/reviews-io

## Overview

REVIEWS.io does the same structural job as Trustpilot. Customers write reviews that live on a public profile hosted by the vendor rather than on your website, and the credibility comes from the fact that you did not choose which ones appear. The difference is almost entirely commercial. Where Trustpilot charges $319 per month per domain for 300 review invitations on a 12-month commitment, REVIEWS.io charges $29 for the same 300 invitations, month to month, with a 14-day trial. That is roughly a tenth of the price for a comparable mechanism, and it is the single most important fact about this product.

The company was founded in 2012 by Callum McKeefery and Nicole Albano, at a kitchen table in Leicester, England, and grew to more than 70 staff across Leicester, Irvine, Sydney, and Berlin without taking outside investment. It passed roughly ten million pounds in annual revenue as a bootstrapped business and was acquired in November 2022 by AppHub, an ecommerce app consolidator, in a deal reported at about $72M. McKeefery joined the AppHub board. That ownership change is worth knowing about, because a founder-led bootstrapped company and a portfolio company inside a private-equity-funded roll-up are different animals over a five-year horizon.

Functionally the product is broader than a review collector. It handles company reviews and product reviews as separate streams, collects photo and video alongside text, runs NPS and CSAT surveys, offers a reputation manager for monitoring ratings on other platforms, and publishes shoppable user-generated content galleries on the higher tiers. As a Google-licensed review partner it feeds Seller Ratings, which is the concrete return that usually justifies the subscription for anyone spending money on paid search.

The catch is the tiering, and it is a real one. The $29 Essentials plan is genuinely bare: reviews, photo and video collection, automated collection, and about 15 on-site widgets. Google Seller Ratings, rich snippets, review importing, third-party review collection, and the Klaviyo integration all sit on Start-Up at $99. If your reason for buying a review platform is search syndication, and for most buyers it is, your real entry price is $99 per month per domain, not $29. That is still dramatically cheaper than Trustpilot, but it is not the number on the marketing.

## How it works

1. You connect your store or your order system. Ecommerce integrations for Shopify, WooCommerce, BigCommerce, and Magento fire review invitations after fulfilment, and an API lets non-ecommerce businesses trigger invitations from their own systems. Your plan is metered by monthly invitation count: 300 on Essentials, 1,500 on Start-Up, 5,000 on Grow, 10,000 on Plus.

2. Customers respond with text, photo, or video. Video is captured in the browser on phone or desktop, so there is nothing for the customer to install, no app, and no account to create, which is the single largest determinant of whether video reviews ever get collected at all.

3. Reviews publish to public company and product profiles hosted by REVIEWS.io. Company reviews and product reviews are separate streams, so a strong brand rating and a weak SKU do not contaminate each other. You can reply publicly, and the reputation manager on the Grow tier watches your ratings on other platforms alongside your own.

4. Display and syndication is where the value lands. More than 15 on-site widgets embed the reviews back into your pages, review structured data lets search engines read the ratings, and Google-licensed partner status pushes the rating into Google Seller Ratings and Shopping listings so stars appear against your paid search ads. Higher tiers add AI review summaries, competitor analysis, multi-language translation, shoppable UGC galleries, and Bazaarvoice syndication.

## Best for

Ecommerce and consumer service businesses that want Trustpilot's mechanism, Google Seller Ratings and third-party hosted credibility, at a price a small business can actually absorb, particularly stores running paid search where the star extensions pay for the subscription.

## Not the right fit for

- Businesses that specifically need the Trustpilot name; brand recognition is a real part of what a review badge does, and REVIEWS.io does not have it with consumers.
- Anyone buying on the $29 headline who actually needs SEO syndication; rich snippets and Google Seller Ratings start at $99, so budget from there or be disappointed.
- Shopify stores that only want product reviews on their own site; Judge.me does that for $15 a month flat with unlimited reviews and free rich snippets, and does it better.
- Multi-brand operators on tight budgets, because pricing is per top-level domain and each brand needs its own subscription.
- Companies that want editorial control over which reviews appear; this is a review platform, so an accurate negative review stays up and your recourse is a public reply.

## Features

### Collecting reviews

Metered by invitation volume, with photo and video captured in the browser.

- **Metered invitation allowance**: 300 invitations per month on Essentials, 1,500 on Start-Up, 5,000 on Grow, 10,000 on Plus. This is the pricing axis, and it is roughly a tenth of Trustpilot's cost per invitation.
- **Automated post-purchase collection**: Invitations fire automatically after fulfilment through the ecommerce integration rather than at checkout, so the customer has actually received the product before being asked.
- **In-browser photo and video capture**: Customers record video directly in a mobile or desktop browser with nothing to install and no account to create, which is why browser capture converts far better than asking for a file.
- **SMS invitations**: 100 SMS invites per month are bundled from the Start-Up tier, which matters for demographics that ignore email entirely.
- **Company and product review streams**: Brand-level and SKU-level reviews are collected and scored separately, so a single bad product does not drag down the company rating that feeds Seller Ratings.
- **Third-party review collection and importing**: From the Start-Up tier you can import existing reviews and collect from third-party sources, which is how a new account avoids launching with an empty profile.
- **Surveys, NPS, and CSAT**: Survey capability sits alongside reviews, with 100 survey replies per month bundled on the Grow tier, so feedback that is not meant for publication has somewhere to go.

### Displaying on your site

Fifteen-plus widgets, with the SEO payload gated one tier up.

- **More than 15 on-site widgets**: Carousels, grids, floating widgets, star strips, and product-page blocks, available from the $29 Essentials tier and marketed on speed of render.
- **Review rich snippets**: Review and AggregateRating structured data starts at the $99 Start-Up tier. For comparison, Judge.me and Loox include rich snippets on their free plans and Famewall at $12, so this is not the cheapest schema in the category.
- **Shoppable UGC galleries**: Customer photo galleries that link straight to product pages, reserved for the $499 Plus tier, which puts them out of small-business reach.
- **Widget page-speed profile**: Widgets are third-party JavaScript. The vendor markets them as fast-loading, but the placement rule still applies: keep a full review grid below the fold so it does not compete with your Largest Contentful Paint element.
- **Dynamic linking**: Grow-tier feature for routing reviewers and review displays contextually rather than to a single static profile page.
- **Custom attributes**: Structured extra fields on reviews, such as fit or sizing, from the Grow tier, so a fashion store can display the attributes shoppers actually filter on.

### Search syndication

The reason most buyers are here, and the reason the real entry price is $99.

- **Google Seller Ratings**: REVIEWS.io is a Google-licensed review partner, so ratings feed Seller Ratings and can display stars under paid search ads. Available from the $99 Start-Up tier.
- **Google Shopping integration**: Product ratings flow into Shopping listings, which is where a large share of ecommerce comparison happens.
- **Bazaarvoice syndication**: Plus-tier syndication into the Bazaarvoice network, pushing your reviews onto retailer product pages, which is a genuinely enterprise capability at a $499 price point.
- **Public profile pages**: Hosted company and product profiles that rank in their own right and act as the neutral third-party record a skeptical buyer goes looking for.

### Managing and analyzing

AI tooling sits high in the stack, which is where the price ladder gets steep.

- **Reputation manager**: Grow-tier monitoring of your ratings across other platforms, so REVIEWS.io becomes the dashboard rather than only the collector.
- **AI review summaries**: Aggregated summaries of what reviewers keep saying, from the Grow tier, useful as product feedback rather than as marketing copy.
- **Competitor analysis**: Grow-tier comparison of your ratings against named competitors on the platform.
- **AI-powered replies**: Automated draft responses to reviews, reserved for the $499 Plus tier. Judge.me includes AI replies at $15, which is an unflattering comparison.
- **Multi-language translation**: Plus-tier translation so one review library serves localized storefronts.
- **Public replies to reviews**: Available throughout, and the only real lever you have on an accurate negative review.

### Platform and integrations

Broad ecommerce coverage, with API access held back to the top tier.

- **Ecommerce platform apps**: Shopify, WooCommerce, BigCommerce, Magento, and other storefront integrations for automated post-purchase collection.
- **Klaviyo integration**: Available from the $99 Start-Up tier, which matters because review requests inside an existing email flow convert better than a separate send.
- **API access**: Reserved for the $499 Plus tier, which is high. Loox and Judge.me both give API and webhook access at a fraction of that price.
- **Widget development support**: Plus-tier hands-on help building custom widget layouts, alongside a dedicated success manager and onboarding support.

## Use cases

- **Shopify store priced out of Trustpilot**: The business wants third-party review credibility and Google Seller Ratings but cannot justify $319 a month per domain on a 12-month commitment. Outcome: Start-Up at $99 a month, cancellable monthly, delivers 1,500 invitations, Seller Ratings, rich snippets, and Klaviyo integration for less than a third of Trustpilot's Plus tier.
- **Fashion retailer needing fit information in reviews**: Returns are driven by sizing, and plain star ratings tell shoppers nothing about whether an item runs small. Outcome: Grow-tier custom attributes capture structured fit data on every review and display it on the product page, and photo reviews show the garment on real customers rather than models.
- **Service business consolidating scattered reputation**: Ratings exist on four platforms, nobody watches any of them, and the website shows none. Outcome: The Grow-tier reputation manager monitors external platforms in one dashboard, AI summaries surface recurring complaints, and on-site widgets carry the aggregate rating back to the pages that convert.
- **New store launching with an empty profile**: A fresh review profile with zero reviews is worse than no profile, and asking for reviews takes months to compound. Outcome: Start-Up tier review importing and third-party collection populate the profile from existing sources on day one, and automated post-purchase invitations keep it growing without manual work.

## Pricing

Per-domain monthly subscription tiered by review invitation volume, with syndication, AI features, and API access gated by tier. Month to month with no contract.

- **Essentials**: $29 per month per domain. 300 review invitations per month; Company and product reviews; Photo and video collection; Automated review collection; 15-plus on-site display widgets. No Google Seller Ratings and no rich snippets, which is what most buyers actually want, so treat this as a starter rather than the real plan.
- **Start-Up**: $99 per month per domain. 1,500 review invitations per month; Google Seller Ratings and rich snippets; Review importing and third-party collection; Klaviyo integration; 100 SMS invites per month. The real entry point for anyone buying a review platform for search syndication.
- **Grow**: $299 per month per domain. 5,000 review invitations per month; Reputation manager across other platforms; AI review summaries and competitor analysis; Custom attributes and dynamic linking; 100 SMS invites and 100 survey replies per month.
- **Plus**: $499 per month per domain. 10,000 review invitations per month; AI-powered replies and translation; Shoppable UGC galleries; Bazaarvoice syndication and API access; Dedicated success manager and onboarding. Requires a demo booking, so this is the tier where self-serve stops.

Billing notes:

- All plans are month to month with no annual contract, which is a meaningful contrast with Trustpilot's mandatory 12-month commitment.
- Annual billing is advertised at roughly 20 percent off.
- Pricing is per top-level domain, so a multi-brand operator needs a separate subscription per brand.
- The three lower tiers are self-serve with a 14-day trial; Plus requires booking a demo.
- The pricing page localizes currency by visitor region, so confirm the currency you are quoted before comparing against a competitor's US dollar list price.
- Rich snippets and Google Seller Ratings sit at $99, not at the $29 headline, which is the most common budgeting mistake with this product.

Value assessment: Against Trustpilot, REVIEWS.io is close to unarguable on price: 300 invitations for $29 against $319, 1,500 invitations plus Seller Ratings and rich snippets for $99 against a plan that gives you 300, and no 12-month lock-in on either. If you want the review-platform mechanism and you do not specifically need consumers to recognize the badge, this is where the mechanism is cheapest. Against the ecommerce review apps the picture inverts. Judge.me gives unlimited reviews with free rich snippets, AI replies, and 130-plus integrations for $15 a month flat, and Loox gives unlimited orders with rich snippets and API access at $49.99. Both beat REVIEWS.io badly on cost per review, and neither gives you Google Seller Ratings or a neutral hosted profile. The whole value case rests on whether third-party hosting and Seller Ratings are worth the premium. For a paid-search-heavy store, they usually are. For a store that just wants stars on product pages, they are not.

## Strengths

- Roughly a tenth of Trustpilot's cost per review invitation for a functionally comparable third-party review platform.
- Google-licensed review partner status, so ratings feed Google Seller Ratings and Shopping rather than only sitting on your own site.
- Month-to-month billing with a 14-day trial, against Trustpilot's mandatory 12-month per-domain commitment.
- Photo and video captured directly in the browser with nothing for the customer to install.
- Company and product reviews handled as separate streams, so brand ratings and SKU ratings do not contaminate each other.
- Genuinely broad scope for the price, covering surveys, NPS, reputation monitoring across other platforms, and UGC galleries alongside the review collection.
- Built as a bootstrapped business to over ten million pounds in annual revenue and 70-plus staff before its acquisition, so the product has real operating history rather than a funding narrative.

## Limitations

- The $29 headline is misleading for most buyers, because Google Seller Ratings and rich snippets both start at $99.
- API access is locked to the $499 Plus tier, which is far higher than Loox or Judge.me, both of which include API and webhooks at a fraction of the price.
- AI-powered replies also sit at $499, where Judge.me includes them at $15.
- Consumer brand recognition is much weaker than Trustpilot's, and recognition is part of what a trust badge is for.
- Per-domain pricing penalizes multi-brand operators the same way Trustpilot's does.
- Ownership sits with AppHub, a private-equity-funded ecommerce app consolidator, rather than the founders; roll-up portfolios have a mixed record on long-run product investment.
- As a review platform you cannot remove an accurate negative review, and the reviews are not yours to take with you if you leave.
- The top tier requires a demo booking, so the self-serve ceiling is $299.

## Comparisons

- **REVIEWS.io vs Trustpilot**: The same mechanism at wildly different prices. Trustpilot charges $319 per month per domain for 300 invitations on a 12-month commitment; REVIEWS.io charges $29 for the same 300 invitations month to month, or $99 for 1,500 with Seller Ratings and rich snippets. Both are Google-licensed partners. The only thing Trustpilot has that REVIEWS.io does not is consumer name recognition, which is not nothing when the badge's job is to be recognized. If the badge is decoration, take REVIEWS.io. If the badge is the argument, pay for Trustpilot.
- **REVIEWS.io vs Judge.me**: Judge.me is unlimited product reviews on your own store for $15 a month flat, with rich snippets, AI replies, and 130-plus integrations. REVIEWS.io is a hosted third-party platform with Google Seller Ratings starting at $99. Judge.me wins on price per review by an enormous margin and loses on the one thing you buy a review platform for, which is that the reviews are not on your website. Ecommerce stores that want stars on product pages should take Judge.me; stores that want stars under their Google Ads need the Seller Ratings.
- **REVIEWS.io vs Yotpo**: Both cover reviews plus adjacent commerce marketing, but Yotpo is a $1.4B venture-backed platform whose real product is the bundle of reviews, SMS, loyalty, and email, with published self-serve pricing only through its Shopify app at Free, $15, and $119. REVIEWS.io publishes its whole ladder openly, has no bundle to upsell you into, and gives you a neutral hosted profile Yotpo does not. Choose Yotpo if you want a suite; choose REVIEWS.io if you want the review platform on its own with transparent pricing.
- **REVIEWS.io vs Loox**: Loox is the visual review app for Shopify, built around photo and video galleries, unlimited orders at $49.99, rich snippets and API on every tier, and Loox branding removable throughout. REVIEWS.io costs $99 for the syndication features and meters you by invitation count. For a Shopify store whose reviews are the on-site conversion asset, Loox is better and cheaper. For a store whose reviews need to travel into Google Seller Ratings and a neutral profile, Loox cannot do that and REVIEWS.io can.
- **REVIEWS.io vs Trustmary**: Trustmary is a Finnish feedback platform organized around NPS surveys, closed-loop workflows, and view-metered widgets that imports reviews from platforms rather than hosting them. REVIEWS.io is the platform doing the hosting and the Google syndication. If your problem is survey routing and feedback workflow, Trustmary is the right shape; if your problem is that nobody outside your website vouches for you, only a review platform solves it.

## Implementation

- Setup time: An afternoon. Install the ecommerce app or connect the API, configure the invitation delay so it fires after delivery, import any existing reviews on the Start-Up tier, and paste widget embed codes on the product and home pages. Google Seller Ratings then takes a few weeks to accumulate the review volume Google requires before stars appear.
- Learning curve: Low for collection and display, moderate for the higher-tier tooling. Custom attributes, dynamic linking, and the reputation manager reward configuration time, and the survey module is a separate mental model from reviews.
- Onboarding: Self-serve with a 14-day trial on Essentials, Start-Up, and Grow. The $499 Plus tier requires a demo and includes onboarding support, widget development help, and a dedicated success manager.
- Migration: Review importing on the Start-Up tier and above brings existing reviews in from other sources, which is the main reason not to start on Essentials. Leaving is the standard review-platform problem: the hosted profile and the reviews on it are not portable, and while you can export review text for display elsewhere, you cannot move the third-party credibility or the Seller Ratings history to a competitor. Widgets are script tags, so swapping display vendors means editing embed codes rather than rebuilding pages.

## Platform, API & security

- Platforms: Web application, Hosted public company and product review profiles, JavaScript embed widgets, Shopify, WooCommerce, BigCommerce, and Magento apps, Browser-based photo and video capture, REST API on the Plus tier
- API: REST API access is reserved for the $499 Plus tier, which is unusually high for this category. Lower tiers rely on the ecommerce apps, the Klaviyo integration from $99, and widget embeds.
- Compliance: GDPR, Google-licensed review partner
- Data residency: UK and EU operations reflecting the company's Leicester origin; specifics not published per plan.
- SSO: Not published on the self-serve tiers.
- Security notes: REVIEWS.io operates as part of AppHub, a funded ecommerce software group, which means a more formal security posture than an independent small vendor but not published enterprise certifications on the self-serve plans. Review content is public by design; the sensitive data is the customer contact list used for invitations.

## Support

- Channels: Email support, In-app chat, Dedicated success manager on the Plus tier
- Documentation: Help center covering integrations, invitation configuration, widget setup, Google Seller Ratings enablement, surveys, and the API, plus platform-specific installation guides.
- Community: No large public user forum; support runs through the help center and direct channels.

## Company

- Founded: 2012
- Founders: Callum McKeefery, Nicole Albano
- Headquarters: Leicester, United Kingdom, with offices in Irvine, Sydney, and Berlin
- Ownership: Owned by AppHub following a November 2022 acquisition
- Employees: 70-plus
- Funding: Bootstrapped with no outside investment to roughly ten million pounds in annual revenue, then acquired by AppHub in November 2022 in a deal reported at about $72M. AppHub's acquisition programme was backed by a $60M growth investment from Silversmith Capital Partners. Founder Callum McKeefery joined the AppHub board.

Timeline:

- 2012: Founded by Callum McKeefery and Nicole Albano at their kitchen table in Leicester, England, collecting reviews for ecommerce merchants.
- 2017: Becomes a Google-licensed review partner, enabling Google Seller Ratings syndication, which becomes the central commercial argument for the product.
- 2021: Grows past 70 staff across Leicester, Irvine, Sydney, and Berlin, entirely bootstrapped, passing roughly ten million pounds in annual revenue.
- 2022: Acquired by ecommerce app group AppHub in a deal reported at about $72M, the group's eighth and largest acquisition; McKeefery joins the AppHub board.
- 2026: Product spans company and product reviews, photo and video collection, surveys, reputation monitoring, AI summaries and replies, shoppable UGC galleries, and Bazaarvoice syndication across four published tiers from $29 to $499.

## Integrations

Shopify, WooCommerce, BigCommerce, Magento, Klaviyo, Google Seller Ratings and Google Shopping, Bazaarvoice syndication, Zapier, REST API on the Plus tier

## FAQ

### What is REVIEWS.io?

REVIEWS.io is a third-party review platform. It collects company and product reviews on your behalf, hosts them on public profiles it controls rather than on your website, and syndicates the ratings into Google Seller Ratings, Google Shopping, and embeddable on-site widgets. It also handles photo and video reviews, NPS and CSAT surveys, and reputation monitoring across other platforms.

### How much does REVIEWS.io cost?

Essentials is $29 per month per domain for 300 review invitations, display widgets, and photo and video collection. Start-Up is $99 for 1,500 invitations and adds Google Seller Ratings, rich snippets, review importing, and Klaviyo. Grow is $299 for 5,000 invitations with reputation management and AI summaries. Plus is $499 for 10,000 invitations with API access and Bazaarvoice syndication. All are month to month with a 14-day trial on the self-serve tiers.

### Does REVIEWS.io emit Review or AggregateRating structured data?

Yes, but from the $99 Start-Up tier, not the $29 Essentials plan. That is later than several competitors: Judge.me and Loox both include rich snippets on their cheapest plans, and Famewall includes review schema at $12. If structured data is why you are buying, price the $99 tier from the start.

### Who owns the reviews and what happens if I stop paying?

REVIEWS.io hosts the reviews on profiles it controls, which is exactly what makes them credible to a stranger. You cannot take them with you to a competitor as reviews, only as text for display purposes. If you stop paying, you lose invitations, widgets, and syndication. That is the standard trade in the review-platform model and the opposite of a testimonial tool, where the assets are yours.

### Can I remove a negative review?

Not because it is negative. Like any credible review platform, REVIEWS.io removes reviews that breach its guidelines, such as fake or abusive content, but an accurate complaint from a real customer stays up. Your practical options are a public reply and enough new reviews to move the average, which is the same position you are in on Trustpilot.

### How does REVIEWS.io compare to Trustpilot on price?

It is roughly a tenth of the cost for a comparable mechanism. Trustpilot's Plus plan is $319 per month per domain for 300 review invitations on a 12-month commitment. REVIEWS.io gives you 300 invitations for $29 month to month, or 1,500 invitations plus Seller Ratings and rich snippets for $99. Both are Google-licensed partners. The gap is brand recognition, not capability.

### Do customers need to install anything to leave a video review?

No. Video is recorded directly in the browser on a phone or desktop from the invitation link. There is no app, no download, and no account creation. That matters more than any other single factor in whether video reviews actually get collected, because every extra step costs you completions.

### Will the widgets slow down my site?

They are third-party JavaScript, so there is a real cost, though the vendor optimizes for render speed and markets the widgets on that basis. The practical rule is unchanged: a compact star strip near the top is fine, a full review grid above the fold competes with your Largest Contentful Paint element, and a review carousel belongs below it.

### Who owns REVIEWS.io?

AppHub, an ecommerce app consolidator, acquired REVIEWS.io in November 2022 in a deal reported at about $72M. Before that it was bootstrapped by founders Callum McKeefery and Nicole Albano from 2012 to over ten million pounds in annual revenue with no outside investment. McKeefery joined the AppHub board as part of the deal.

### Should I run REVIEWS.io alongside a product review app like Judge.me?

It is a common configuration and often the cheapest correct answer. Judge.me handles unlimited on-site product reviews for $15 a month with free rich snippets, and REVIEWS.io handles the third-party company profile and Google Seller Ratings. Running both costs less than most single higher-tier plans and covers two genuinely different jobs: on-site conversion and off-site credibility.

## Editorial verdict

REVIEWS.io is the value answer in the review-platform half of this category. It does what Trustpilot does, hosts reviews you do not control, feeds Google Seller Ratings as a licensed partner, and puts stars under your paid ads, at roughly a tenth of the cost per invitation and with no 12-month lock-in. That is a strong enough argument to carry the product on its own. Two caveats matter. The $29 headline is not the real price for most buyers, because Seller Ratings and rich snippets both start at $99, so budget from there. And if you do not actually need third-party hosting, if you just want stars on your product pages, Judge.me at $15 flat and Loox at $49.99 both beat it comprehensively on cost per review with API access and rich snippets included. Buy REVIEWS.io when the reviews need to live somewhere you cannot edit them and travel into Google. Otherwise buy something cheaper.

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Source: SaaSTracker (https://saastracker.org), an independent editorial project. This profile is compiled from public information, carries no peer reviews or paid placement, and was last reviewed 2026-08-22. Awards are judged on published criteria: https://saastracker.org/methodology