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Features, pricing and Editor Score side by side — to help you pick the right business & marketing tool in 2026.
Quick verdict
On our Editor Score, Apollo.io and Seamless.AI land almost level. Pick Apollo.io if you want 200M+ contact and company B2B database; choose Seamless.AI for real-time contact search and verification. On pricing, both ship a free or freemium tier, so you can try each before paying.
| Pricing | Freemium | Freemium |
| Free tier | ||
| Best for | 200M+ contact and company B2B database | real-time contact search and verification |
AI sales intelligence and engagement with huge B2B database
AI B2B sales intelligence and contact data
Choose Apollo.io if…
Choose Seamless.AI if…
Your use case decides this one: Apollo.io leans into 200M+ contact and company B2B database, while Seamless.AI is built for real-time contact search and verification. Weigh features and pricing for your workflow. Both have a free or freemium tier, so spin up each and keep the one that clicks.
Neither is universally better — it depends on your budget and which features matter most. The side-by-side breakdown above shows where each one wins.
Apollo.io (freemium) is best for 200M+ contact and company B2B database, while Seamless.AI (freemium) is best for real-time contact search and verification. See the full feature and pricing comparison above.
Both have paid plans — pricing depends on your usage tier. Open each tool's review for current prices, and watch for free trials.
Apollo.io is usually the easier starting point thanks to a lower barrier to entry. Beginners should favour a free tier and a simple interface over raw power.
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Last updated August 2026. Comparisons are ranked by our Editor Score (features, value and pricing, blended with verified user reviews where a tool has them) — see our methodology.