Apollo.io vs Seamless.AI
Side-by-side from the Top 11 rankings of The 11 Best Email Finder Tools (2026) and The 11 Best Lead Generation Tools (2026). Last verified June 17, 2026.
The short answer
Apollo.io ranks higher on Top 11 (#2 vs #5) for Sales and marketing teams finding verified business email addresses / Sales and marketing teams building top-of-funnel pipelines. A complete prospecting platform with a massive database and built-in sales tools.
At a glance
| Apollo.io | Seamless.AI | |
|---|---|---|
| Top 11 rank | #2 / The 11 Best Email Finder Tools (2026) | #5 / The 11 Best Lead Generation Tools (2026) |
| Score (out of 9.4) | 9.1 | 8.4 |
| Best for | All-in-one sales platform | Unlimited contact credits |
| Pricing | $$ ($49 to $99/mo) | $$$ ($149 to $250/user/mo) |
| HQ | San Francisco, USA | Columbus, OH, USA |
| Founded | 2015 | 2018 |
Apollo.io
A complete prospecting platform with a massive database and built-in sales tools.
www.apollo.ioMethodology and scoring weights live at /methodology. No vendor pays for placement — see about.