Apollo.io vs Clay
These tools get compared constantly and they are not really substitutes. Apollo is a database you query: 275M+ contacts with sequencing and a dialer attached, priced per seat. Clay is an orchestration layer that queries other databases — running waterfall enrichment across 100+ providers, falling through until a field is found, then triggering AI research on top. One replaces your list source; the other replaces the process of building lists.
Apollo.io
All-in-one sales intelligence database with built-in sequencing.
Clay
Data enrichment and automation that chains 100+ providers into one workflow.
| Feature | Apollo.io | Clay |
|---|---|---|
| Rating | 4.3 | 4.5 |
| Starting price | $65/moper user, monthly billing; $49/user billed annually | $167/momonthly billing; $54/mo billed annually |
| Free trial | Yes | Yes |
| Contact database | 275M+ contacts | — |
| Email sequencing | Yes | — |
| Free tier | Yes | 500 actions, 100 credits/month |
| Dialer | Yes | — |
| Actions | — | 15,000 (Launch) → 40,000 (Growth) |
| Data credits | — | 3,000 (Launch) → 6,000 (Growth) |
| Waterfall enrichment | — | 100+ providers |
| Annual discount | — | $54/mo billed yearly (Launch) |
The verdict
Apollo is the better default and by far the cheaper starting point, with a genuinely usable free tier and everything in one place. Clay is the better answer once Apollo's coverage stops being good enough for your segment — waterfall enrichment across many providers will find contacts no single database holds, and that is worth real money to teams whose prospects are hard to reach. It costs $167/mo on monthly billing against Apollo's $49/user, so the question is whether your data problem justifies roughly triple the spend.
Choose Apollo.io if you want contact data, sequencing and a dialer in one tool at a low price, with a free tier substantial enough to test properly. Choose Clay if single-source data coverage has become your bottleneck, and you have the appetite to build enrichment workflows rather than pull lists.
Apollo.io vs Clay: FAQs
- Is Clay a replacement for Apollo?
- Not usually — it is a layer above. Clay can call Apollo as one of its data providers, so many teams keep Apollo as a source and use Clay to orchestrate it alongside others when coverage falls short.
- Which is cheaper?
- Apollo, clearly. It starts at $49 per user (billed annually) and has a free forever tier. Clay's Launch plan is $167/mo on monthly billing, or $54/mo billed annually, with a free tier of 500 actions and 100 credits.
- Does Clay send email like Apollo?
- Clay can trigger outreach as part of a workflow, but it is not a sending platform — deliverability tooling, warmup and mailbox rotation are not its focus. Apollo has sequencing built in, though sending is not its core strength either. For deliverability at volume, pair either with a dedicated cold email platform.
- What is waterfall enrichment?
- Querying data providers in sequence rather than relying on one: if the first has no email for a contact, the request falls through to the next, and the next. It materially improves coverage over any single database, and it is Clay's main technical argument.
- Which has more contacts?
- The question does not quite apply. Apollo advertises 275M+ contacts in its own database; Clay does not own a database and instead reaches across 100+ providers. Neither number tells you about coverage of your specific segment, which is why both free tiers are worth using before committing.
Comparing more than two?
Put Apollo.io, Clay and up to two others side by side on price, mailboxes, warmup and trials.
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