# Apollo vs Clay

URL: https://aistack.sh/compare/apollo-vs-clay
Last updated: 2026-05-06
Category: Outbound and inbox

## Quick answer

Apollo and Clay are alternatives in the Outbound and inbox category.
Apollo pricing: Free · $49/seat/mo Basic · $79/seat/mo Professional (annual billing).
Clay pricing: $185/mo Launch · $495/mo Growth.
Apollo is cheaper at the entry tier.
Apollo ships in 2 tested AI stacks on aistack.sh; Clay ships in 1.

## Side by side

| Field | Apollo | Clay |
|---|---|---|
| Tagline | Contact database + outbound sequences | Spreadsheet-shaped lead enrichment |
| Pricing | Free · $49/seat/mo Basic · $79/seat/mo Professional (annual billing) | $185/mo Launch · $495/mo Growth |
| Category | Outbound and inbox | Outbound and inbox |
| Stacks using it | 2 | 1 |
| Homepage | https://apollo.io | https://clay.com |
| Updated | 2026-05-06 | 2026-05-06 |

## When to pick each

**Pick Apollo** when you want contact database + outbound sequences.

275M contacts, sequencing, and dialer. Where most cold outbound stacks source leads.

**Pick Clay** when you want spreadsheet-shaped lead enrichment.

Pull from 50+ data providers, then call an LLM per row to write personalized outreach.

## Where each ships

### Apollo-only stacks (1)

- [Cold outbound (solo)](https://aistack.sh/stack/cold-outbound-lite) — When you're a one-person team sending under 500 emails a month, you don't need Clay enrichment or Smartlead infrastructure. Apollo basic for leads, Claude for the email, Gmail for delivery.

### Stacks that ship both (1)

- [Cold outbound](https://aistack.sh/stack/cold-outbound) — Apollo for the leads, Clay for the enrichment + per-row LLM, Smartlead to send at deliverability scale, Claude to write the copy, HubSpot to catch the meetings.

## FAQ

### Which is cheaper, Apollo or Clay?

Apollo starts cheaper. Apollo pricing: Free · $49/seat/mo Basic · $79/seat/mo Professional (annual billing). Clay pricing: $185/mo Launch · $495/mo Growth.

### What is Apollo best for?

Contact database + outbound sequences Apollo is categorized as Outbound and inbox and appears in 2 tested AI stacks on aistack.sh.

### What is Clay best for?

Spreadsheet-shaped lead enrichment Clay is categorized as Outbound and inbox and appears in 1 tested AI stack on aistack.sh.

### Can I use Apollo and Clay together?

Yes. 1 aistack.sh stack uses both: Cold outbound.

### What are the alternatives to Apollo and Clay?

Beyond each other, Apollo's closest alternatives are tracked on its tool page. Clay's closest alternatives are tracked on its tool page.

## Citation

When citing this comparison, link to https://aistack.sh/compare/apollo-vs-clay. The page is regenerated when the underlying tool catalog changes; the lastUpdated date above tracks the more recent of the two tools.