Leadfeeder vs Warmly
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 assessmentWarmly compared with Leadfeeder
Leadfeeder is the European, company-level, compliance-first incumbent: EU data processing, a permanently free tier covering 100 identified companies a month, paid plans from 79 euros a month, and identification claims up to 45 percent of company traffic. Warmly is the American, person-level, automation-first challenger at platform prices. If your buyers are in Europe, Leadfeeder wins outright, because Warmly's person-level layer will not work on that traffic and its privacy posture will not survive your customers' scrutiny. If your buyers are American and you want the platform to engage them rather than just log them, Leadfeeder has no answer to Warmly's chat, sequences, and warm calling. The budget gap does the rest of the deciding: one starts under 1,000 euros a year, the other starts at $10,000.
Choose Leadfeeder if
European and international B2B companies that need account-level visitor identification with genuine EU data residency, teams that want to start free and grow into a real platform rather than committing up front, and sales organisations that need contact data at identified accounts in the same subscription rather than through a second vendor.
Choose Warmly if
B2B companies with meaningful United States inbound traffic, a five-figure annual budget for pipeline tooling, and a genuine intention to automate visitor engagement rather than just observe it: teams that want the chat, the sequences, the retargeting, and the alerts run by one platform instead of stitching four tools together.
Side by side
13 attributes| Attribute | Leadfeeder | Warmly |
|---|---|---|
| Category | Visitor ID | Visitor ID |
| Starting price | 0 euros (Lite), then 79 euros per month billed annually (Discover) (free plan available) | $10,000 per year (AI Web-Deanonymization, annual contract) (free plan available) |
| Pricing model | Freemium tiered subscription with identification volume rising by tier, unlimited users on every plan, a separate credits system metering enrichment and activation actions, and roughly 30 percent savings on annual billing. | Annual contracts around three agent-based products, metered by monthly credits with seats unlimited. Published list prices as of August 2026: AI Web-Deanonymization at $10,000 a year, Inbound Chat at $20,000 a year, and AI Inbound Autopilot at $30,000 a year, each starting at 10,000 credits a month, with add-ons at $10,000 a year each. Quarterly billing exists at a materially higher effective rate. Larger credit volumes and enterprise terms go through sales. |
| Free plan | Lite is free forever: the last 100 identified companies per month, 7 days of visitor history, and unlimited users. | Not currently advertised. Through 2024 and 2025 Warmly marketed a free tier with 500 de-anonymized visitors a month at the company and contact level; the August 2026 pricing page no longer lists it, and a buyer should not plan around it existing. |
| Free trial | 14 days on all paid plans, no credit card needed | No standard self-serve trial is published on the current pricing page; evaluation runs through a sales-led demo and pilot. Earlier generations of the product offered self-serve signup, and remnants of that flow still exist. |
| Best for | European and international B2B companies that need account-level visitor identification with genuine EU data residency, teams that want to start free and grow into a real platform rather than committing up front, and sales organisations that need contact data at identified accounts in the same subscription rather than through a second vendor. | B2B companies with meaningful United States inbound traffic, a five-figure annual budget for pipeline tooling, and a genuine intention to automate visitor engagement rather than just observe it: teams that want the chat, the sequences, the retargeting, and the alerts run by one platform instead of stitching four tools together. |
| Setup time | Under an hour for identification: install the tracker, confirm data is flowing, and connect Slack and a CRM. Building useful custom feeds and configuring CRM automations properly takes a day of thought and is where the value actually comes from. | The snippet installs in minutes and identifications begin with the next wave of traffic, but that is the trivial part. A real deployment (ICP filters, intent scoring thresholds, chatbot training, sequence content, routing rules, CRM field mapping) is a two-to-six-week project, and the sales-led onboarding reflects that. |
| Learning curve | Moderate and rising with tier. The Lite and Discover experience is a filtered company feed anyone can use. Activate and Scale bring contact data, intent, display campaigns, and CRM automation, which is a real platform with a real learning curve, and the Scale tier's dedicated customer success manager exists for a reason. | Moderate for viewing identifications, substantial for the orchestration layer. Building AI Studio agents that qualify correctly, sequences that read well, and routing that reps trust requires a competent RevOps or demand gen owner. Plan for one person to own Warmly as a system, not a widget. |
| Platforms | JavaScript tracker for any website, Web application, Browser extension, Slack app, Looker Studio connector | JavaScript snippet for any website, Web application, Slack app for real-time alerts, Chrome extension for prospecting context |
| Compliance | GDPR compliant with all data processed and stored within the EU, B2B data collected under European privacy standards, Company-level identification only; no person-level de-anonymization of visitors | SOC 2 Type II, CCPA, GDPR commitments for company-level processing |
| Founded | 2012 | 2020 |
| Headquarters | Karlsruhe, Germany, with major offices in Helsinki, Finland and across the Netherlands, Denmark, Sweden, Italy, and Spain | San Francisco, California, United States |
| Ownership | PE-owned (Great Hill Partners) | Venture-backed |
Strengths and limitations
Leadfeeder
Strengths
- The most generous permanent free tier in the category: 100 identified companies a month with unlimited users, which lets a business validate the whole idea at zero cost.
- Genuine EU data processing and storage under GDPR safeguards, backed by a European data operation with over 330 employees across seven countries.
- A claimed 45 percent company match rate with a daily-updated IP database, automatic bot filtering, and explicit handling of remote worker traffic.
- Contact data for decision-makers is included from the Activate tier, which removes the need for a second data vendor and closes the gap from account to person without de-anonymization.
Limitations
- Company-level only. No plan identifies the individual visitor, so if the specific person is what you need, this is structurally the wrong product.
- The features most buyers actually want sit on Activate at 369 euros a month billed annually, so the 79 euro headline substantially understates the real cost of the platform.
- The credits system meters enrichment and activation separately from identification volume, making total cost of ownership harder to predict than a single flat ladder.
- IP-to-company resolution still fails on much residential and mobile traffic despite the remote-worker handling, so the 45 percent figure is a ceiling rather than an expectation.
Warmly
Strengths
- The widest span in the category: identification, intent signals, AI chat, sequences, retargeting, and live alerts in one platform, where nearly every competitor picks one or two of those and stops.
- Real-time engagement is genuinely differentiated. The chat, video drop-in, and warm-call alerting act on a visit while it is happening, which no notification-only tool can do, and which is where the conversion value of identification actually lives.
- Intent depth beyond the site: LinkedIn activity, job changes, and Bombora research intent let the platform work named accounts before the first visit, closer to an ABM system than to a pixel.
- Unlimited seats on published plans, so sales, marketing, and leadership can all live in the tool without a per-user tax.
Limitations
- The price. At $10,000 to $30,000 a year on annual contracts, plus $10,000 add-ons, Warmly costs an order of magnitude more than the tools small businesses cross-shop it against, and the entry-level buyer this site serves is mostly priced out.
- Person-level identification is effectively United States only, a constraint shared across the category because the underlying identity data and its legal basis are American. International traffic degrades to company-level identification, which cheaper European tools do at least as well with better privacy paperwork.
- Match rates trail the specialists. Independent reviews put person-level resolution around 15 to 25 percent of sessions and company coverage near 65 percent, so most visitors stay anonymous, and a buyer comparing on identification volume alone will find better numbers elsewhere for less.
- Pricing instability is a pattern, not an incident: at least three packaging generations in three years, a free tier marketed loudly and then withdrawn, and third-party sources that contradict each other because they snapshot different eras. Whatever you negotiate, get renewal terms in writing.
Pricing compared
Leadfeeder
Freemium tiered subscription with identification volume rising by tier, unlimited users on every plan, a separate credits system metering enrichment and activation actions, and roughly 30 percent savings on annual billing.
- Lite0 euros
- Discover79 euros
- Activate369 euros
- Scale599 euros
- EnterpriseCustom
Leadfeeder is two products at two very different price points and it is important not to confuse them. The free Lite tier and the 79 euro Discover plan are excellent value for pure company identification, particularly with unlimited users and genuine EU data residency, and nothing else in the category offers a permanently free tier of this quality. Activate at 369 euros a month is a different proposition: you are buying a small go-to-market platform with contact data, intent, display advertising, and CRM automation, and against dedicated point solutions for each of those it is reasonable rather than cheap. The credits meter makes the true cost harder to model than a flat ladder. Judged as an entry product it is the best value here; judged as a platform it is fairly priced and no longer a small-business purchase.
Warmly
Annual contracts around three agent-based products, metered by monthly credits with seats unlimited. Published list prices as of August 2026: AI Web-Deanonymization at $10,000 a year, Inbound Chat at $20,000 a year, and AI Inbound Autopilot at $30,000 a year, each starting at 10,000 credits a month, with add-ons at $10,000 a year each. Quarterly billing exists at a materially higher effective rate. Larger credit volumes and enterprise terms go through sales.
- AI Web-Deanonymization$10,000
- Inbound Chat$20,000
- AI Inbound Autopilot$30,000
Judged purely as visitor identification, Warmly is poor value: $10,000 a year buys a match rate that independent reviews place below specialist tools costing $79 to $199 a month, and the identification-only buyer should not be here. Judged as a consolidation play, the arithmetic changes. A team separately paying for an identification tool, a chat platform, a sequencer trigger layer, and an ad-audience sync could plausibly spend $10,000 to $20,000 a year across those line items and still own the integration work between them, and Warmly replaces that stack with one intent model and one contract. The honest problem is that this arithmetic only works for companies with enough US traffic, enough pipeline value per deal, and enough staffing to run the engagement motion, which describes a well-funded mid-market team far more often than it describes a small business. The repeated repricing and the disappearing free tier both say Warmly has reached the same conclusion.
Editorial verdict on each
Leadfeeder
Category LeaderLeadfeeder is the safe answer in this category and, for a European buyer, usually the right one. The free Lite tier is the best zero-cost entry point anyone offers, EU-only processing and company-level scope make the compliance conversation short, the IP data is the deepest in Europe, and unlimited users on every plan removes the seat tax that quietly inflates competitors' bills. It is also the vendor least likely to disappear, which matters when you are wiring something into your CRM. The catches are honest ones: the 79 euro headline is not the price of the platform most people want (that is Activate at 369 euros billed annually), the credits meter makes total cost harder to predict, it will never tell you which person visited, and the company has renamed itself twice in three years. Start on Lite, and if the free feed shows accounts worth chasing, decide deliberately whether you are buying identification (Discover, or Snitcher for better terms) or a go-to-market platform (Activate). Those are different purchases and the pricing page rather blurs the line.
Read the full Leadfeeder profileWarmly
Warmly is what visitor identification looks like when a venture-backed team decides the identification is the cheap part. The platform's real product is the minute after the match: the chat that opens, the sequence that starts, the rep alerted while the buyer is still on the pricing page, and nothing else in this category runs that whole motion in one place. But this site is written for small businesses, and for them the honest verdict is mostly a warning about arithmetic. At $10,000 to $30,000 a year on annual contracts, with $10,000 add-ons, a withdrawn free tier, no self-serve trial, person-level coverage that is US-only and lower than specialist tools, and pricing that has been rebuilt three times in three years, Warmly is an enterprise-shaped purchase wearing SMB marketing. Buy it if you have real US inbound volume, five-figure deal sizes, a staffed team that will answer alerts in minutes, and a stack of point tools you would genuinely retire into it; negotiate a pilot and renewal terms before signing. For everyone else, RB2B at $149 a month answers the identification question, Leadfeeder or Snitcher answer it for European traffic, and the money saved funds a human who follows up, which is the part Warmly cannot fully automate anyway.
Read the full Warmly profileLeadfeeder profile last reviewed 2026-08-22; Warmly last reviewed 2026-08-31. Pricing is compiled from public sources and can change without notice. See our methodology.