Apollo.io is described as 'Simplifies B2B sales with 275M contacts, 65M accounts, and advanced tools integrated with major platforms for efficient prospecting and deal closure' and is an app in the business & commerce category. There are more than 50 alternatives to Apollo.io for a variety of platforms, including Web-based, SaaS, Google Chrome, Windows and Chrome OS apps. The best Apollo.io alternative is Starnus. It's not free, so if you're looking for a free alternative, you could try Wiza or LeadrPro. Other great apps like Apollo.io are Instantly.ai, flux.report, LeadBrowser and Bookyourdata.