Is Sleeknote or Sumo cheaper?

Sleeknote starts at From EUR 49 per month billed annually (EUR 62 monthly) for Core up to 25,000 monthly sessions; roughly USD 69 per month on the US price list (14 days trial). Sumo starts at Free forever; paid plans from $19 per month billed annually ($228 per year) (free plan available).

Sleeknote vs Sumo

An independent, review-free comparison compiled by the SaaSTracker editorial team. Both products are profiled in full, and neither can pay for placement here.

The short answer

Editorial assessment

Sumo compared with Sleeknote

Sleeknote pushes non-intrusive, on-brand onsite messaging with heavy design polish and ecommerce guidance, at a price several times Sumo's. The gap is exactly the one Sumo's reviews identify: template quality and design control. Choose Sleeknote when the popup has to look like part of the site and the budget supports it; choose Sumo when the requirement is a working form with sensible targeting at the lowest defensible cost.

Choose Sleeknote if

Mid-sized ecommerce brands, particularly in Europe, that already treat onsite email and SMS capture as a revenue line and want gamified seasonal campaigns, granular targeting, and hands-on support rather than the cheapest possible popup.

Choose Sumo if

Bloggers, creators, course sellers, and small WordPress or Showit sites that want a capable opt-in popup and form tool with a real free plan and a flat, low, non-traffic-scaled price when they outgrow it.

Side by side

13 attributes

Attribute	Sleeknote	Sumo
Category	Lead Capture	Lead Capture
Starting price	From EUR 49 per month billed annually (EUR 62 monthly) for Core up to 25,000 monthly sessions; roughly USD 69 per month on the US price list (14 days trial)	Free forever; paid plans from $19 per month billed annually ($228 per year) (free plan available)
Pricing model	Subscription priced by monthly sessions on your site, in bands, with two feature levels at every band: Core, and Core plus Gamification. Unlimited campaigns, unlimited domains, and support by phone, chat, and email are included on every tier. Annual billing saves 20 percent. Above 500,000 monthly sessions the price is quoted.	Flat monthly subscription by plan, with limits on number of sites, pageviews per site, and emails sent per month rather than on subscriber count. Annual billing is meaningfully cheaper than monthly. A permanently free plan exists and paid plans carry a 14-day free trial.
Free plan	No	One site, 100 conversions, 500 emails per month, opt-in forms with customizable design, social sharing, basic visitor targeting, and analytics, with BDOW! branding on forms
Free trial	14 days, no credit card required	14 days on paid plans, plus a 14-day money-back guarantee
Best for	Mid-sized ecommerce brands, particularly in Europe, that already treat onsite email and SMS capture as a revenue line and want gamified seasonal campaigns, granular targeting, and hands-on support rather than the cheapest possible popup.	Bloggers, creators, course sellers, and small WordPress or Showit sites that want a capable opt-in popup and form tool with a real free plan and a flat, low, non-traffic-scaled price when they outgrow it.
Setup time	The snippet takes minutes through Google Tag Manager or the Shopify app. A first campaign published the same day is realistic; a properly targeted set of campaigns with subscriber suppression, geo rules, and an integration mapping takes a working day or two.	Under an hour. Create a free account, install the WordPress plugin or paste the script into the site template (or enable the native Showit or Shopify connection), pick a template, set display rules, and connect an email provider. A first live form in fifteen minutes is realistic.
Learning curve	The editor is straightforward for anyone who has used a page builder. The rule engine is where the depth is, and it is also where new users most often go wrong, typically by not excluding existing subscribers or by stacking campaigns that all qualify on the same page. The gamification formats need thinking about prize probability and coupon supply before launch, not after.	Low. The builder is conventional and the display rules read in plain language. The part that takes longest is not the tool but the discipline of testing one variable at a time and matching each offer to the page it appears on.
Platforms	Web (JavaScript snippet), Shopify (dedicated app), WordPress and WooCommerce, BigCommerce, Magento, Wix, Google Tag Manager	Web (JavaScript snippet), WordPress plugin, Showit, Shopify, WooCommerce, Google Tag Manager
Compliance	GDPR, CCPA	GDPR
Founded	2014	2014
Headquarters	Aabyhoej, Aarhus, Denmark	Austin, Texas (Sumo Group); Formilytics LLC now operates the product
Ownership	Acquired by Drip (February 2022); operates as Drip's European base while continuing to sell as a standalone product	Acquired by Showit (December 2023) and operated by Formilytics LLC

Strengths and limitations

Sleeknote

Strengths

The deepest gamification set in the onsite capture category, with spin wheels, scratch cards, daily offers, seasonal calendars, quizzes, and Learn to Earn built in rather than bolted on.
A targeting rule engine detailed enough to combine geography, referral source, query parameters, cookies, subscriber state, and page data in one condition set.
Separate mobile design canvas, which produces phone campaigns that were designed rather than shrunk.
Over 100 direct email and SMS integrations with field mapping, so quiz answers arrive as segmentation data rather than as a CSV chore.

Limitations

No free plan at all, and the trial is 14 days, which is short for evaluating a tool whose value depends on running a real seasonal campaign.
Session-based pricing is the most consistent complaint in user reviews: high-traffic stores with normal conversion rates pay for visitors who will never see value from a popup, and reviewers repeatedly say the visitor allowances should be higher at each band.
Gamification is paywalled into a higher plan level rather than sold per campaign, so the headline entry price is not the price of the thing the marketing sells you on.
Crossing a session band is a step change in cost rather than a smooth overage, which makes budgeting awkward for stores with seasonal traffic swings.

Sumo

Strengths

A genuinely usable free plan with no time limit, which is why Sumo became the default popup tool for a generation of bloggers.
Flat pricing that does not escalate with subscriber count, unusual in a category where list growth normally raises the bill every year.
The full catalogue of form types (popup, welcome mat, smart bar, scroll box, click trigger, inline, countdown, social proof) in one dashboard rather than split across products.
Deep targeting rules for the price point, including cookie and query-parameter conditions that many cheaper tools omit.

Limitations

A small, dated template library that reviewers repeatedly single out; layouts, buttons, and mobile views are hard to alter beyond the presets.
No personalization or product recommendation logic, so every visitor matching a rule sees the same manually configured offer.
Paid plans cap at 25,000 pageviews per site and three sites total, which rules out high-traffic publishers and agency portfolios.
Public WordPress.org reviews over several years report broken logins, incompatibility with current WordPress versions, and unresolved support tickets; the most recent reviews on that listing are poor.

Pricing compared

Sleeknote

Subscription priced by monthly sessions on your site, in bands, with two feature levels at every band: Core, and Core plus Gamification. Unlimited campaigns, unlimited domains, and support by phone, chat, and email are included on every tier. Annual billing saves 20 percent. Above 500,000 monthly sessions the price is quoted.

Core, up to 25,000 sessionsEUR 49 (annual) / EUR 62 (monthly)
Core plus Gamification, up to 25,000 sessionsEUR 68 (annual) / EUR 85 (monthly)
Core, 50,000 to 125,000 sessionsEUR 114 (annual) / EUR 143 (monthly)
500,000+ sessionsCustom quote

Sleeknote is priced as a specialist tool, not a utility. At around EUR 49 per month for a small store the Core plan is defensible if onsite capture is genuinely a revenue channel, and the gamification plan pays for itself quickly on a single well-run seasonal campaign. The problem is the shape of the meter. A store with 120,000 monthly sessions and a two percent conversion rate is paying EUR 114 per month for popup software before any gamification, which is more than several competitors charge and considerably more than the free tiers that exist elsewhere in this category. The honest test is whether you will use the rule engine and the interactive formats. If you will run one exit popup and forget about it, the money is wasted; if you will run seasonal mechanics and segment the list from onsite answers, few tools do it as cleanly.

Sumo

Flat monthly subscription by plan, with limits on number of sites, pageviews per site, and emails sent per month rather than on subscriber count. Annual billing is meaningfully cheaper than monthly. A permanently free plan exists and paid plans carry a 14-day free trial.

Free$0
Pro$19 annually, $25 monthly
Plus$39 annually, $49 monthly

On price per capability BDOW! is one of the better deals in lead capture: $19 a month buys exit intent, A/B testing, branding removal, webhooks, and a full ecommerce offer layer that OptinMonster and Privy gate behind higher tiers or usage bands. The catch is the ceiling. Twenty-five thousand pageviews per site, three sites at the top, a small template library, and no personalization mean the tool stops scaling well before the price becomes the problem. Judged as a cheap, flat-priced opt-in tool for a WordPress, Showit, or small WooCommerce site, it is good value; judged as a conversion platform, it is underpowered next to the current leaders.

Editorial verdict on each

Sleeknote

Sleeknote is the onsite capture tool for brands that treat promotional mechanics as a real marketing discipline. The gamification catalogue is the deepest in the category, the targeting rules go further than almost any competitor, and the separate mobile canvas produces campaigns that look designed rather than resized. It is also the least forgiving purchase here: there is no free plan, the trial is 14 days, billing is by session so growth in traffic raises the bill regardless of results, and the formats the marketing sells you on sit behind a higher plan level. That is a defensible trade for a retailer running seasonal calendars and quizzes at scale, and a bad one for anyone who wants a single exit popup. Price it against OptiMonk and Privy on your actual session volume before committing, and make the trial period earn its keep by running a real campaign rather than a test.

Read the full Sleeknote profile

Sumo

Sumo's history is more interesting than its present. It normalized the free email capture popup, made list building a default habit for a generation of bloggers, and then changed hands and names twice, arriving as BDOW! under the website builder Showit. What is left is a decent, cheap, honest tool: every form type in one dashboard, targeting rules deeper than the price suggests, one-click A/B testing and an ecommerce offer layer both included at $19 a month, and a free plan that still does real work. What is also left is a small template library that reviewers keep flagging, a 25,000 pageview per site ceiling, a three-site maximum, and a support reputation that has not recovered. Buy it if you are a creator, a WordPress or Showit site, or a small store that wants capture working this afternoon for close to nothing. Look at OptinMonster, Poptin, or a Klaviyo-native form if design control, scale, or responsive support is the thing you cannot compromise on.

Read the full Sumo profile

Sleeknote profile last reviewed 2026-08-23; Sumo last reviewed 2026-08-23. Pricing is compiled from public sources and can change without notice. See our methodology.