Clay vs Apollo
Detailed side-by-side comparison to help you choose the right tool
Clay
🟡Low CodeSales Intelligence
A GTM data platform that combines 100+ enrichment sources with AI research agents to build hyper-personalised outbound campaigns at scale.
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Starting Price
Free (14-day Pro trial); paid plans from $149/monthApollo
Sales & Marketing AI
Apollo combines a 265M+ B2B contact database with AI-powered prospecting, multi-channel sequence automation, and revenue analytics to accelerate sales development from lead discovery through closed deals.
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Starting Price
$0Feature Comparison
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Clay - Pros & Cons
Pros
- ✓Waterfall enrichment can improve coverage across multiple data vendors
- ✓Claygent handles custom web research that fixed databases often miss
- ✓Spreadsheet interface makes enrichment logic visible to operators
- ✓Connectors cover HubSpot, Salesforce, Outreach, Salesloft, Attio, Instantly, and Smartlead
Cons
- ✗Credit economics can be difficult to forecast without a controlled pilot
- ✗Complex tables can become brittle when many providers and formulas are chained
- ✗AI-written personalization still requires review for inaccurate claims
- ✗Teams must manage privacy, lawful basis, opt-outs, and CRM data hygiene
Apollo - Pros & Cons
Pros
- ✓Massive contact database of 265M+ verified B2B contacts with 65+ filter attributes, reducing the need for a separate data vendor like ZoomInfo or Lusha.
- ✓All-in-one platform consolidating prospecting, email/phone/LinkedIn sequencing, dialer, meeting scheduler, and analytics, so teams can retire multiple point tools.
- ✓Genuinely useful free tier with unlimited email credits and basic sequences, making it practical for solo founders and early-stage SDRs to actually test the product.
- ✓Strong native integrations with Salesforce, HubSpot, Gmail, Outlook, LinkedIn, and Slack, plus a widely-used Chrome extension for prospecting from any webpage.
- ✓AI features (email writer, deal assistant, power-ups, intent scoring) are bundled into standard plans rather than locked behind expensive add-on SKUs.
- ✓Per-seat pricing with monthly billing available is significantly cheaper than enterprise competitors, with published rates instead of forced sales calls.
Cons
- ✗Data accuracy is inconsistent for senior executives, smaller companies, and non-US regions, where bounce rates and outdated titles are noticeably higher than premium providers.
- ✗Email deliverability can suffer at scale if sequences aren't carefully warmed up and throttled, and Apollo's own sending reputation has drawn spam complaints in some industries.
- ✗The interface bundles so many features that new users face a steep learning curve, and advanced workflow and enrichment features require meaningful configuration time.
- ✗Credit and export limits on lower tiers can be restrictive for high-volume outbound teams, pushing real users onto Organization or Unlimited plans faster than expected.
- ✗Support response times on lower-tier plans are slow, with chat and ticket-only access and no dedicated CSM until higher-paid tiers.
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