Clay vs Apollo.io
Short version: Clay is the better fit for revOps and growth teams building bespoke, signal-based outbound at scale, while Apollo.io is built for SMB and mid-market teams that want data and outreach in one affordable tool.
Clay
Waterfall enrichment + AI research in a spreadsheet
$167/mo
Free plan; paid from ~$167/mo billed annually, credit-based
Apollo.io
All-in-one prospecting database + engagement
Free plan
Free plan with limited credits; paid from ~$49/seat/mo
At a glance
| Spec | Clay | Apollo.io |
|---|---|---|
| Starting price | $167/mo | Free plan |
| Budget tier | Mid-range | Budget-friendly |
| Complexity | Advanced | Intermediate |
| Primary category | Sales Intelligence & Signals | Prospecting & Lead Data |
| Integrations | 120+ | 100+ |
| Founded | 2017 | 2015 |
Feature comparison
Clay offers 10 of 11 tracked sales intelligence & signals features; Apollo.io offers 4.
| Feature | Clay | Apollo.io |
|---|---|---|
| Buyer intent data | ||
| Account & company research | ||
| Waterfall data enrichment | ||
| Job-change & hiring signals | ||
| ICP / lead scoring | ||
| Workflow automation | ||
| AI research agents | ||
| CRM enrichment | ||
| Free plan | ||
| API & webhooks | ||
| Priority / 24-7 support |
Clay
Pros
- Waterfall enrichment across 100+ providers
- AI research agents automate account research
- Endlessly composable GTM data tool
Cons
- Steep learning curve
- Credit consumption is hard to predict
- You assemble the workflow yourself
Apollo.io
Pros
- Huge contact database with a generous free tier
- Prospecting, sequencing, and dialer in one place
- Excellent LinkedIn Chrome extension
Cons
- Email/phone accuracy dips on smaller or non-US accounts
- Credit limits force upgrades as volume grows
- Engagement features shallower than dedicated platforms
Which should you choose?
Choose Clay if…
- you want waterfall enrichment across 100+ providers
- you want AI research agents automate account research
- you want endlessly composable GTM data tool
Choose Apollo.io if…
- you want huge contact database with a generous free tier
- you want prospecting, sequencing, and dialer in one place
- you want excellent LinkedIn Chrome extension
The verdict
Both are solid sales intelligence & signals tools. The best choice comes down to fit: Clay for revOps and growth teams building bespoke, signal-based outbound at scale, and Apollo.io for SMB and mid-market teams that want data and outreach in one affordable tool.
Browse all tools →Frequently asked questions
Is Clay or Apollo.io cheaper?
Apollo.io is the more affordable option (Free plan versus $167/mo). The lower sticker price isn't always the better value, though, weigh the tier your team will actually land on and any add-ons.
Which is better, Clay or Apollo.io?
Neither is strictly better, they're built for different priorities. Clay is the stronger pick for revOps and growth teams building bespoke, signal-based outbound at scale, while Apollo.io suits SMB and mid-market teams that want data and outreach in one affordable tool.
What's the main difference between Clay and Apollo.io?
Clay is advanced and mid-range, while Apollo.io is intermediate and budget-friendly. On tracked sales intelligence & signals features, Clay covers 10 and Apollo.io covers 4.