Category
Enrichment - Contact
Rating
4.7/5 (9691 Reviews)
Availability
HQ
San Francisco, United States
Pricing
From $49/user/mo
Free tier
Yes
Best for
Also in
Capabilities
Contact enrichment scope
What is Apollo?
Apollo is an all-in-one sales intelligence and engagement platform built on Apollo's database (275M+ contacts, 73M+ companies), combining B2B contact data with a built-in email sequencer and dialer. Recruiters reach it through a Chrome extension that surfaces emails and direct dials on a LinkedIn profile, plus bulk search and a REST API. For a staffing agency, its real pull is the BD side - finding and emailing hiring managers and decision-makers at prospective client companies without leaving the tool - while the same database and enrichment support candidate sourcing. In-house teams use it more selectively, since it is built for sales prospecting rather than recruiting workflows.
What are Apollo's key features?
B2B contact database covering work emails, direct emails and phone numbers.
Built-in email sequencer and dialer, so outreach runs in the same tool.
Direct emails are withheld for EU, UK and Switzerland contacts under GDPR.
Official MCP server at mcp.apollo.io/mcp, plus a developer API.
Free tier, then $49 per user per month on Basic, billed annually.
How do recruiting teams use Apollo?
- Build a hiring-manager list at target companies, then sequence them in Apollo.
- Look up a candidate's direct email outside the EU, UK and Switzerland.
- Enrich an existing contact list in bulk through the API instead of one by one.
Who is Apollo best for?
- Agencies that want a contact database and a sequencer in one tool, not two.
- Recruiters using it as a cheaper partial substitute for LinkedIn Recruiter.
- Less suited to phone-first teams; users rate its emails above its phone data.
What are Apollo's pros and cons?
Pros
- All-in-one: database, enrichment, email sequencing, and a dialer in one tool, so outreach happens without exporting elsewhere.
- Generous free plan and a low $49/user/month entry tier make it easy to test before committing.
- Chrome extension and native ATS/CRM integrations (Salesforce, HubSpot, Greenhouse, Lever) fit it into existing workflows.
- Official MCP server lets AI assistants query and enrich Apollo data directly.
- Rated 4.7 on G2 across 9,200+ reviews, one of the most-reviewed tools in the category.
Cons
- Built for sales prospecting, not recruiting - no candidate-native workflows, and personal-email coverage trails LinkedIn-first tools that specialise in reaching passive candidates.
- Data accuracy and bounce rates vary by region and seniority, as with any large aggregated database.
- The all-in-one surface has a learning curve, and heavier sequencing and dialer features sit on higher tiers.
- Contact and engagement only - it does not source, rank, or track candidates, so it works alongside your ATS rather than replacing it.
What are people saying about Apollo?
Users rate Apollo.io highly for its 230M+ contact database and the all-in-one GTM workflow combining prospecting, sequencing, enrichment, and deal tracking. Recruiters running outbound cite it as a tool-stack consolidator. Friction points: data accuracy softens outside North America and Western Europe, and the feature breadth creates a steep onboarding curve for teams without RevOps support.
Consolidated from 9691 reviews across G2 · Updated April 22, 2026
How does Apollo compare to alternatives?
| Feature | Apollo | Blitz API |
|---|---|---|
| Category | Enrichment - Contact | Enrichment - Contact |
| AI-first | ||
| API | ||
| MCP | ||
| GDPR | ||
| Best for | Agency, In-House | Agency |
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Frequently asked questions about Apollo
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