Best Seamless.AI Alternatives in 2026
Updated
20 platforms from B2B contact data providers ranked against Seamless.AI on the same published basis.
- 1Seamless.AI vs Lusha
- 2Seamless.AI vs Apollo
- 3Seamless.AI vs LeadIQ
- 4Seamless.AI vs Lead411
- 5Seamless.AI vs Wiza
- 7Seamless.AI vs Hunter
- 8Seamless.AI vs GetProspect
- 9Seamless.AI vs People Data Labs
- 10Seamless.AI vs ContactOut
- 11Seamless.AI vs SignalHire
- 12Seamless.AI vs ZoomInfo
- 13Seamless.AI vs D&B Hoovers
- 14Seamless.AI vs Coresignal
- 15Seamless.AI vs 6sense
- 16Seamless.AI vs Snov.io
- 17Seamless.AI vs Cognism
- 18Seamless.AI vs Data Axle
- 19Seamless.AI vs BuiltWith
- 20Seamless.AI vs SalesIntel
- 21Seamless.AI vs UpLead
Seamless.AI alternatives compared
| # | Platform | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | Lusha | 8.9 | Free plan | $37.45/mo | API, Browser |
| 2 | Apollo | 8.8 | Free plan | $49/mo | API, Browser, Web |
| 3 | LeadIQ | 8.7 | Free plan | $200/mo | API |
| 4 | Lead411 | 8.6 | Free plan | $40.83/mo | API, Browser |
| 5 | Wiza | 8.6 | Free plan | $49/mo | API, Browser, Web |
| 7 | Hunter | 8.5 | Free plan | — | API, Browser, Web |
| 8 | GetProspect | 8.4 | Free plan | Free | API |
| 9 | People Data Labs | 8.3 | No | — | API |
| 10 | ContactOut | 8.3 | Free plan | Free | API |
| 11 | SignalHire | 8.3 | Free plan | $69/mo | API |
| 12 | ZoomInfo | 8.2 | No | — | API |
| 13 | D&B Hoovers | 8.2 | No | $44.08/mo | API |
| 14 | Coresignal | 8.2 | Free plan | $49/mo | API, Web |
| 15 | 6sense | 8.1 | No | — | API |
| 16 | Snov.io | 8.1 | No | $39/mo | API, Browser, Web |
| 17 | Cognism | 8.0 | No | — | API |
| 18 | Data Axle | 8.0 | No | $25/mo | API |
| 19 | BuiltWith | 8.0 | Free plan | $12/mo | API, Browser, Web |
| 20 | SalesIntel | 7.9 | No | — | API |
| 21 | UpLead | 7.9 | No | $99/mo | API |
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Questions about Seamless.AI alternatives
What is the best alternative to Seamless.AI?
Lusha, number 1 in B2B contact data providers with a score of 8.9 out of 10. The others here: Apollo, LeadIQ, Lead411 and 16 more.
What is the best free alternative to Seamless.AI?
Lusha is the best-ranked alternative with a free plan. 11 of the 20 alternatives here publish a free plan on their own pricing pages.
How are these alternatives ranked?
Ranked on what each maker publishes, open and connectable first: a public API, open-source code, the depth of its documentation and a free tier to try it on. Model lists are sorted by the figure in their title, exactly as each provider publishes it.