Factors.ai
by Factors.aiFactors.ai is suited to marketers and demand-generation, growth-stage startup, or enterprise teams working with account-based marketing.
Free plan Free trial From $199 a month WebAPI
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Best Website Visitor Identification Software 2026
Facts read 27 Sep 2026 – 15 Oct 2026
When website activity could inform sales follow-up, visitor identification software offers capabilities to compare across accounts, contacts, and tracked domains. Look at account identification and contact enrichment to understand what information is represented, and consider CRM sync in relation to your sales workflow. Intent signals and sales alerts provide more comparison points for surfacing activity. Tracked-domain allowances, free-plan availability, and paid-from pricing can help frame coverage and cost. SalesViewer, Lusha, and Leadberry are among the named options. Weigh the listed capabilities against the way your team identifies potential accounts and routes information for follow-up.
The standings: top 10
| Name | In a line | Record score | Price from | Try it free | Runs on | Facts read |
|---|---|---|---|---|---|---|
| 01 Factors.ai | Factors.ai is suited to marketers and demand-generation, growth-stage startup, or enterprise teams working with account-based marketing. | 5.5 | $199 a month | Free plan | Web, API | 11 Oct 2026 |
| 02 Factors.ai | Factors.ai brings company-level website visitor data, intent clues, attribution and go-to-market workflows into one B2B platform. | 5.5 | $199 a month | Free plan | Web, API | 15 Oct 2026 |
| 03 Leadberry | Leadberry is aimed at sales and marketing teams, management, and agencies seeking company-level website visitor leads. | 5.5 | $24 a month, billed yearly | Free plan | Web, API | 14 Oct 2026 |
| 04 Leadfeeder | Leadfeeder suits B2B revenue teams that want to identify companies visiting their website and connect that information with sales workflows. | 5.5 | €79 a month, billed yearly | Free plan | Web, Browser extension, API | 15 Oct 2026 |
| 05 Dealfront | Leadfeeder suits sales and marketing teams looking to identify B2B companies visiting their websites and follow account activity. | 5.4 | €79 a month, billed yearly | Free plan | Web, Browser extension, API | 9 Oct 2026 |
| 06 RB2B | RB2B is positioned for early-stage businesses, growth teams using a CRM, and enterprise teams ingesting visitor data through a webhook. | 5.2 | $79 a month | Free plan | Web, API | 4 Oct 2026 |
| 07 SalesViewer | SalesViewer suits B2B sales and marketing teams that want company-level visitor profiles, behavior information, and campaign reporting. | 5.1 | €99 a month, billed yearly | Free trial | Android, iPhone & iPad, Web | 30 Sep 2026 |
| 08 Nalloo | Nalloo may suit B2B teams looking to identify organizations visiting their website and connect those results to a CRM. | 5.0 | €75 a month | Free plan | Web, API | 30 Sep 2026 |
| 09 Lusha | Lusha suits go-to-market teams seeking contact and company data, buying signals, or CRM and automation integrations. | 4.9 | $37.45 a month, billed yearly | Free plan | Browser extension, API | 27 Sep 2026 |
| 10 Warmly | Warmly suits B2B go-to-market teams looking to monitor buying intent and identify website visitors. | 4.9 | $99 a month | Free plan | Web, API | 4 Oct 2026 |
02
Factors.ai
Factors.ai brings company-level website visitor data, intent clues, attribution and go-to-market workflows into one B2B platform.
WebAPI Record5.5 Visit
03
Leadberry
Leadberry is aimed at sales and marketing teams, management, and agencies seeking company-level website visitor leads.
WebAPI Record5.5 Visit
04
Leadfeeder
Leadfeeder suits B2B revenue teams that want to identify companies visiting their website and connect that information with sales workflows.
WebBrowser extensionAPI Record5.5 Visit
05
Dealfront
Leadfeeder suits sales and marketing teams looking to identify B2B companies visiting their websites and follow account activity.
WebBrowser extensionAPI Record5.4 Visit
6
RB2B
WebAPI $79 a month Record5.2 Visit RB2B is positioned for early-stage businesses, growth teams using a CRM, and enterprise teams ingesting visitor data through a webhook.
7
SalesViewer
AndroidiPhone & iPadWeb €99 a month, billed yearly Record5.1 Visit SalesViewer suits B2B sales and marketing teams that want company-level visitor profiles, behavior information, and campaign reporting.
8
Nalloo
WebAPI €75 a month Record5.0 Visit Nalloo may suit B2B teams looking to identify organizations visiting their website and connect those results to a CRM.
9
Lusha
Browser extensionAPI $37.45 a month, billed yearly Record4.9 Visit Lusha suits go-to-market teams seeking contact and company data, buying signals, or CRM and automation integrations.
10
Warmly
WebAPI $99 a month Record4.9 Visit Warmly suits B2B go-to-market teams looking to monitor buying intent and identify website visitors.
11
Snitcher
WebAPI $49 a month Record4.8 Visit Snitcher suits marketing, sales, and RevOps teams seeking company-level website visitor signals and ways to route them into CRM or outreach workflows.
12
Albacross
WebBrowser extensionAPI €708 a year Record4.7 Visit Albacross suits sales and marketing teams prioritizing high-intent prospects and automating outreach.
13
Happierleads
WebBrowser extensionAPI $14 a year Record4.7 Visit It is aimed at B2B SaaS companies, marketing agencies, professional-services firms and enterprise sales teams seeking visitor identification and CRM workflows.
14
Ploy
Web $50 a month Record4.7 Visit Ploy presents itself for startups, agencies, and enterprise teams, with an AI website builder aimed at marketers.
16
Visitor
Web €25 a month Record4.6 Visit Visitor is intended for teams selling to other businesses that want company-level website activity for prospecting, attribution or account targeting.
18
Salespanel
WebBrowser extensionAPI $99 a month, billed yearly Record4.5 Visit It suits B2B sales and marketing teams working on account-based marketing, revenue marketing, or product-led growth.
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