Head-to-head
Apollo.io vs ContactOut
Apollo.io: Sales-engagement platform with a large contact database; API access is tiered by plan. ContactOut: Recruiter-focused contact finder known for personal email coverage.
Overlapping capabilities: People search, Email finding, Phone enrichment.
Benchmark: people search
Apollo.io and ContactOut have no completed benchmark run yet — this comparison fills in as suites run. Reviews below are live.
Reviews across the web
Apollo.io is one of the most-reviewed tools in the category (4.7 from ~9,600 G2 reviews) and wins on breadth and price, but sentiment splits sharply by platform: Trustpilot sits at 2.9/5 on the back of billing and account-management complaints. The persistent community criticism is data accuracy — practitioners report meaningfully higher bounce rates than Apollo's claimed 91% email accuracy, especially outside the US. The consensus is that it delivers real value if you verify lists before sending and watch the credit system.
Full roundup →ContactOut is liked by the recruiting crowd for personal-email coverage and gets solid marks on G2 (4.4) and Capterra, but its Trustpilot rating is among the worst in the category. The split reflects two populations: careful buyers who use it for targeted lookups are happy, while users who hit undisclosed fair-use caps or need support are not. It reads as a solid solo-recruiter tool rather than a scale outbound engine.
Full roundup →