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Apollo

Read 103 Apollo reviews and testimonials from customers, explore 22 case studies and customer success stories, and watch 8 customer videos to see why companies chose Apollo as their B2B Contact Databases

Apollo is the unified engagement acceleration platform that gives reps the ability to dramatically increase their number of quality conversations and opportunities. Reps are empowered to do more than just conduct outreach, they learn who to target, how to reach out, and what to say at speed and scale. They help drive growth and success by providing the means for teams to discover and utilize their organization’s unique best practices.

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  • 103 Testimonials View
  • 22 Case Studies View
  • 8 Customer Videos View
Customer Rating Review Score based on 1251 reference ratings
4.8/5.0 (1251)
  • Fall 2025 Market Leader B2B Contact Databases

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103Testimonials

  • "Apollo just works. I’m more efficient using Apollo. It saves me time [that I would otherwise spend] looking for contact information on the Internet. It has all of the info …

  • "Start prospecting like a pro with Apollo.io. Create a buyer persona, define your targeting territories, create custom intent signals, and set up your table with a layout that fits your …

  • "I get a lot of questions on: "What are the best use cases for sales teams that are on HubSpot Sales Hub AND Apollo.io?" Here are a few of the …

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22 Case Studies

  • How Aligned Built a Data + Engagement Machine to Convert 40%+ of …

  • How Mutiny Increased Outbound Revenue by 200%+ with Apollo

  • How Emerge Market's CMO Tripled Apollo Spend to Drive 400% Pipeline Growth

21 more case studies currently locked

8 Customer Videos

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Additional Apollo Information & Resources

Read Apollo Reviews, Testimonials & Customer References from 103 real Apollo customers.

Browse Apollo Case Studies, Customer Success Stories, & Customer References from 22 businesses that use Apollo.

Watch Apollo Customer Videos to learn why 8 businesses chose Apollo.