Apollo.io vs SalesIntel
Side-by-side from the Top 11 rankings of The 11 Best Email Finder Tools and The 11 Best B2B Data Providers & Contact Databases. Last verified June 17, 2026.
The short answer
Apollo.io ranks higher on Top 11 (#2 vs #8) for Sales and marketing teams finding verified business email addresses / Sales teams sourcing verified B2B contact lists and intent data. A complete prospecting platform with a massive database and built-in sales tools.
At a glance
| Apollo.io | SalesIntel | |
|---|---|---|
| Top 11 rank | #2 / The 11 Best Email Finder Tools | #8 / The 11 Best B2B Data Providers & Contact Databases |
| Score (out of 9.4) | 9.1 | 7.9 |
| Best for | All-in-one sales platform | Best for human-verified data |
| Pricing | $$ ($49 to $99/mo) | $$$ (Custom quotes, from $5k/yr) |
| HQ | San Francisco, USA | Washington, D.C., USA |
| Founded | 2015 | 2018 |
Apollo.io
A complete prospecting platform with a massive database and built-in sales tools.
www.apollo.ioSalesIntel
Focuses on high accuracy with a 90-day human re-verification cycle and a unique research-on-demand service.
salesintel.ioSee full entry in The 11 Best B2B Data Providers & Contact Databases
Methodology and scoring weights live at /methodology. No vendor pays for placement — see about.