Apollo
Free tier, Basic from $49/mo
Best for
The best entry point for teams starting outbound. Apollo's database is solid for North American B2B, and the built-in sequencing means you can run basic campaigns without buying a separate tool. But don't mistake it for an enterprise enrichment solution — the data gets thinner outside tech/SaaS.
Apollo combines a 275M+ contact database with built-in email sequencing, making it one of the most popular all-in-one outbound tools on the market. For teams that need to start prospecting quickly without stitching together multiple tools, Apollo is the fastest path to pipeline.
Why outbound teams use Apollo
The free tier is genuinely useful — enough credits to validate your ICP and test messaging before committing budget. The database quality for US-based tech companies is strong, and the Chrome extension makes LinkedIn prospecting seamless.
Where it fits in the stack
Apollo can serve as your primary enrichment source or as one provider in a Clay waterfall. Teams that outgrow Apollo’s sequencing typically keep it for data and move to Outreach or Salesloft for campaign execution.
Watch out for
Email accuracy varies by segment. Always verify emails before sending, especially outside of well-covered industries like SaaS and tech.
Integrations
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