Lean Analytics: Use Data to Build a Better Startup Faster (Lean (O'Reilly))

by Alistair Croll

Pay around $0.50 for a paid (mercenary) install, and around $2.50 for a legitimate, organic one, but make sure that your overall acquisition cost is less than $0.75 per user (and, of course, less than the lifetime value of a user).

Mobile app