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Apollo.io

4.7(9,147 reviews)

Apollo is an all-in-one sales intelligence platform with tools to help you prospect, engage, and drive more revenue. Sellers and marketers use Apollo to discover more customers in market, connect with contacts, and establish a modern go-to-market strategy. Apollo's B2B Database includes over 210M contacts and 35M companies with robust and accurate data. Teams leverage Apollo’s Engagement Suite to scale outbound activity and sequences effectively. Finally, up-level your entire go-to-market processes with Apollo's Intelligence Engine with recommendations and analytics that help you close. Founded in 2015, Apollo.io is a leading data intelligence and sales engagement platform trusted by over 10,000 customers, from rapidly growing startups to global enterprises.

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G2 Rating

4.7/ 5.0
9,147 reviews

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AI Analysis by G2· March 2026

Apollo.io is a platform that combines prospecting, accurate data, structured outreach, and automation to simplify and enhance sales workflows.

Pros

  • Reviewers appreciate Apollo.io's AI features, ease of use, and integration capabilities, which make day-to-day outbound tasks easier and more efficient, saving time and allowing everything to happen in one place.

Cons

  • Users experienced issues with the platform's data accuracy, email integration reliability, and the number of paywalls across the platform, which can interrupt workflow and experimentation, especially for smaller teams.