Best Knock2 Alternatives in 2026
Updated
20 apps from visitor identification software ranked against Knock2 on the same published basis.
- 1Knock2 vs Leadfeeder
- 2Knock2 vs RB2B
- 3Knock2 vs Leadberry
- 4Knock2 vs Albacross
- 5Knock2 vs Snitcher
- 6Knock2 vs Leadinfo
- 7Knock2 vs Nalloo
- 8Knock2 vs Visual Visitor
- 9Knock2 vs Happierleads
- 10Knock2 vs Lead Forensics
- 11Knock2 vs Warmly
- 12Knock2 vs LeadJaw
- 13Knock2 vs Leady
- 14Knock2 vs Whois Visiting
- 15Knock2 vs LeadLander
- 16Knock2 vs TAPNET Visitor Identification
- 17Knock2 vs ConnectLoop Visitor Intelligence
- 18Knock2 vs Visitor
- 19Knock2 vs Factors.ai
- 20Knock2 vs Leadpipe
Knock2 alternatives compared
| # | App | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | Leadfeeder | 8.1 | Free plan | €79/mo | API, Browser, Web |
| 2 | RB2B | 7.9 | Free plan | $79/mo | API, Web |
| 3 | Leadberry | 7.6 | Free plan | $24/mo | Web |
| 4 | Albacross | 7.3 | No | — | API, Browser, Web |
| 5 | Snitcher | 7.2 | No | $49/mo | API, Web |
| 6 | Leadinfo | 7.1 | No | €69/mo | Web |
| 7 | Nalloo | 7.1 | Free plan | €75/mo | API, Web |
| 8 | Visual Visitor | 6.9 | No | — | API, Browser, Web |
| 9 | Happierleads | 6.9 | No | $0.10/mo | API, Browser, Web |
| 10 | Lead Forensics | 6.8 | No | — | API, Web |
| 11 | Warmly | 6.8 | Free plan | $99/mo | API, Web |
| 12 | LeadJaw | 6.7 | No | $49/mo | Web |
| 13 | Leady | 6.6 | No | $39/mo | API, Web |
| 14 | Whois Visiting | 6.4 | No | $62.10/mo | Web |
| 15 | LeadLander | 6.2 | No | — | Web |
| 16 | TAPNET Visitor Identification | 6.2 | No | — | Web |
| 17 | ConnectLoop Visitor Intelligence | 6.2 | Free plan | $599/mo | Web |
| 18 | Visitor | 6.1 | No | — | Web |
| 19 | Factors.ai | 5.9 | No | $199/mo | — |
| 20 | Leadpipe | 5.8 | No | — | Web |
Make your app an alternative to Knock2
See the priceThe sponsored alternative slot on this page is labelled and never changes the order above.
Questions about Knock2 alternatives
What is the best alternative to Knock2?
Leadfeeder, number 1 in visitor identification software with a score of 8.1 out of 10. The others here: RB2B, Leadberry, Albacross and 16 more.
What is the best free alternative to Knock2?
Leadfeeder is the best-ranked alternative with a free plan. 6 of the 20 alternatives here publish a free plan on their own pricing pages.
How are these alternatives ranked?
Ranked mobile-first: a phone app alongside the web or desktop product, a free tier and the depth of its documentation. Paid placements never change a rank.