The BigWork AI blog

The Operator's Log

Real numbers from real AI builds, published in public. Build logs from the products we run ourselves, and field guides for putting AI to work inside a growing business.

Build Log

Goal app retention: real numbers from a live beta (2026)

Good day-7 retention for a fitness app is 7–8.5% per published benchmarks. Our live beta holds 8%. Every number behind that, the feature that was quietly retaining people, and the plan for day 30.

David O'RourkeAugust 4, 20267 min read