I ran Apollo.io, Hunter.io, Lusha, and People Data Labs against the same 450-contact test set last quarter. Every tool claimed 95%+ accuracy on their pricing pages. None of them hit it.

The gap between advertised per-seat cost and what I actually paid per working contact ranged from 2x to 6x depending on the tool and tier. Here's what the real math looks like — including PDL, which almost every co