Best Website Visitor Identification Software in 2026
Updated
In short: Leadberry is ranked #1 of 28 as of 5 October 2026, ahead of Leadfeeder and Lusha. The best-ranked option with a free plan is Leadfeeder. The lowest first paid tier on this page is Happierleads at $0.10/mo.
Website visitor identification tools connect activity on tracked domains with account or contact details that may inform sales follow-up. Compare account identification and contact enrichment with CRM sync to see how the listed capabilities relate to your workflow. Intent signals and sales alerts offer additional points to weigh, while tracked-domain coverage, free plans, and paid starting prices help frame practical fit and cost. Leadberry, Lusha, and Nalloo are among the entries shown, alongside Ploy and RB2B. Consider what information your team needs from site activity and how it would use that information in sales outreach.
28 website visitor identification software ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
9 of the 25 here have a free tier you can use, 0 have open-source code on record, and 0 have full bars: free, open, on most of your devices and documented.
| # | App | Signal | Free tier | Open code | Devices | From | Score |
|---|---|---|---|---|---|---|---|
| 1 | LeadberryWeb | Two bars | — | 1 of 6 | $24/mo | 6.4 | |
| 2 | LeadfeederWeb · API · Extension | Two bars | — | 1 of 6 | €79/mo | 6.4 | |
| 3 | LushaAPI · Extension | Two bars | — | 0 of 6 | $37.45/mo | 6.4 | |
| 4 | NallooWeb · API | Two bars | — | 1 of 6 | €75/mo | 6.4 | |
| 5 | PloyWeb | Two bars | — | 1 of 6 | $50/mo | 6.4 | |
| 6 | RB2BWeb · API | Two bars | — | 1 of 6 | $79/mo | 6.4 | |
| 7 | WarmlyWeb · API | Two bars | — | 1 of 6 | $99/mo | 6.4 | |
| 8 | OrgSightWeb | Two bars | — | 1 of 6 | Free | 6.3 | |
| 9 | Factors.aiWeb · API | One bar | — | — | 1 of 6 | $0.50/mo | 5.4 |
| 10 | SalesViewerWeb · Android · iPhone | Two bars | — | — | 3 of 6 | €99/mo | 5.2 |
| 11 | DealfrontWeb | No signal | — | — | 1 of 6 | — | 5.1 |
| 12 | SnitcherWeb · API | One bar | — | — | 1 of 6 | $49/mo | 5.1 |
| 13 | AlbacrossWeb · API · Extension | One bar | — | — | 1 of 6 | — | 5.0 |
| 14 | DemandSenseWeb | One bar | — | — | 1 of 6 | $89/mo | 5.0 |
| 15 | HappierleadsWeb · API · Extension | One bar | — | — | 1 of 6 | $0.10/mo | 5.0 |
| 16 | Lead ForensicsWeb · API | One bar | — | — | 1 of 6 | — | 5.0 |
| 17 | lead.boxWeb · API | One bar | — | — | 1 of 6 | $111/mo | 5.0 |
| 18 | LeadinfoWeb | One bar | — | — | 1 of 6 | €69/mo | 5.0 |
| 19 | SalespanelWeb · API · Extension | One bar | — | — | 1 of 6 | $99/mo | 5.0 |
| 20 | SiteSonarWeb | One bar | — | — | 1 of 6 | $599/mo | 5.0 |
| 21 | VisitorWeb | One bar | — | 1 of 6 | €25/mo | 5.0 | |
| 22 | Visual VisitorWeb · API · Extension | One bar | — | — | 1 of 6 | — | 5.0 |
| 23 | D&B HooversAPI | One bar | — | — | 0 of 6 | $44.08/mo | 4.9 |
| 24 | Factors.aiNo platforms listed | One bar | — | — | 0 of 6 | $199/mo | 4.9 |
| 25 | Whois VisitingWeb | One bar | — | — | 1 of 6 | $62.10/mo | 4.9 |
Compare all 25 in a table
| # | App | Score | Free plan | From | Free plan | Paid from | Tracked domains | Account identification |
|---|---|---|---|---|---|---|---|---|
| 1 | Leadberry | 6.4 | Free plan | $24/mo | Yes | 24 /mo | — | — |
| 2 | Leadfeeder | 6.4 | Free plan | €79/mo | Yes | — | — | — |
| 3 | Lusha | 6.4 | Free plan | $37.45/mo | Yes | — | — | — |
| 4 | Nalloo | 6.4 | Free plan | €75/mo | Yes | — | — | — |
| 5 | Ploy | 6.4 | Free plan | $50/mo | Yes | 50 /mo | — | — |
| 6 | RB2B | 6.4 | Free plan | $79/mo | Yes | 79 /mo | — | — |
| 7 | Warmly | 6.4 | Free plan | $99/mo | — | — | — | — |
| 8 | OrgSight | 6.3 | Free plan | Free | Yes | — | — | Yes |
| 9 | Factors.ai | 5.4 | No | $0.50/mo | No | 199 /mo | — | — |
| 10 | SalesViewer | 5.2 | No | €99/mo | No | — | 1 domains | Yes |
| 11 | Dealfront | 5.1 | No | — | Yes | — | — | — |
| 12 | Snitcher | 5.1 | No | $49/mo | No | 49 /mo | — | — |
| 13 | Albacross | 5.0 | No | — | No | — | — | — |
| 14 | DemandSense | 5.0 | No | $89/mo | No | 89 /mo | — | Yes |
| 15 | Happierleads | 5.0 | No | $0.10/mo | No | 99 /mo | — | — |
| 16 | Lead Forensics | 5.0 | No | — | No | — | — | — |
| 17 | lead.box | 5.0 | No | $111/mo | No | — | — | — |
| 18 | Leadinfo | 5.0 | No | €69/mo | No | — | — | — |
| 19 | Salespanel | 5.0 | No | $99/mo | No | 99 /mo | — | — |
| 20 | SiteSonar | 5.0 | No | $599/mo | No | 299 /mo | 1 domains | Yes |
| 21 | Visitor | 5.0 | Free plan | €25/mo | Yes | — | — | — |
| 22 | Visual Visitor | 5.0 | No | — | No | — | — | — |
| 23 | D&B Hoovers | 4.9 | No | $44.08/mo | — | — | — | Yes |
| 24 | Factors.ai | 4.9 | No | $199/mo | No | 199 /mo | — | — |
| 25 | Whois Visiting | 4.9 | No | $62.10/mo | No | 69 /mo | — | — |
Is your app on this list?
Numbered spots on this list can be sponsored, and a sponsored row is labelled as paid.
Questions about this list
Which website visitor identification software is ranked first on Freedom251?
Leadberry is ranked #1 of 28 with a score of 6.4. Leadfeeder is second and Lusha third.
How many of these have a free plan?
9 of the 25 on this page publish a free plan on their own pricing pages.
Which is the cheapest paid option?
On this page, Happierleads has the lowest first paid tier we found: $0.10/mo.
How is this list ranked?
Ranked free-and-open first: a usable free tier and open-source code, then the platforms it runs on and its documentation.