Tasks / Sales prospecting
Best AI tool for sales prospecting
One decision, not a directory. Pricing checked 2026-10-14.
Apollo.io
B2B contact database with AI outreach.
Free tierFree plan; paid plans availableSales
Clay
Data enrichment and AI research for outbound.
Free tierFree plan; paid from ~$54/mo billed annuallySales
- Create a free Apollo account and connect your email.
- Search the database using filters for title, industry, size and location.
- Save matching contacts to a list and verify emails.
- Build a short sequence with a personalized first line.
- Track replies and refine filters every week.
Why Apollo.io
Apollo bundles contact data, email verification and sequencing in one tool with a free plan.
When to choose Clay instead
Choose Clay when you need custom enrichment and AI research per lead.
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Pricing at a glance
| Tool | Pricing | Free tier |
|---|---|---|
| Apollo.io | Free plan; paid plans available | Yes |
| Clay | Free plan; paid from ~$54/mo billed annually | Yes |
| Lemlist | Paid from $55/mo billed yearly; free trial | No |
| Relevance AI | Free tier, paid plans available | Yes |
| Gong | Custom pricing (contact sales) | No |
Pricing changes often; check the official site before buying.
FAQ
What is the best AI tool for sales prospecting?
Our pick is Apollo.io: B2B contact database with AI outreach. Pricing: Free plan; paid plans available.
When should I choose Clay instead?
Choose Clay when you need custom enrichment and AI research per lead.
Does Apollo.io have a free plan?
Yes. Apollo.io: Free plan; paid plans available.