4 Best Seamless.AI Alternatives in 2026
Seamless.AI is real-time B2B search engine for verified emails and cell phone numbers. We benchmarked 4 direct alternatives: 3 provide a free plan, and every price is verified against vendor billing terms.
Quick Comparison Matrix
| Tool | Starting Price | Free Tier / Trial | Primary Use Case |
|---|---|---|---|
| $147 | Free tier with 50 credits | Sales teams conducting high-volume cold calling and email prospecting | |
| Free | 14-day trial on paid plans | Teams that need data and sequencing from one vendor | |
| $36 | Free plan with 5 direct phone credits/mo | Outbound SDRs needing verified mobile numbers for cold outreach calling | |
| On request | Paid only / Trial | Teams selling into Europe, where compliance screening is not optional | |
| Free | Free tier available with 25 searches per month | PR professionals and link builders searching for verified editorial email addresses |
All 4 alternatives
Apollo.io Contact database with sequencing and dialer attached pricingfree tierapi 
Lusha B2B contact intelligence platform for direct dials and verified work emails pricingfree tierapi 
Cognism B2B contact data built around compliance pricingfree tierapi 
Hunter Email finder, mailbox verification, and cold email campaign platform pricingfree tierapi prices read from vendor pricing pages · 22 Aug 2026 · how we verify
Head-to-head comparisons
Seamless.AI vs Apollo.io Seamless.AI vs Lusha Seamless.AI vs Cognism Seamless.AI vs Hunter
Why people look for an alternative
- Teams needing complex multi-step data enrichment formulas without phone lookup needs