08.2.1 · Skill in Retention analysis
Retention curves
Charts of how many users remain over time after starting.
A retention curve shows the share of a cohort still active each day, week or month. A curve that flattens means some users found lasting value. Comparing curves across cohorts shows whether the product is improving.
Resources
2- articleStart hereWhat is good retention: an exhaustive benchmark study ↗Casey Winters, with Lenny Rachitsky · 2020 · 6 min
Retention benchmarks by business type, collected from growth practitioners, and why the shape of the curve matters more than one number.
- articleStart hereThe complete guide to cohort analysis ↗Amplitude · 2026 · 20 min
How cohorts work, how to read a retention grid, and common mistakes such as cohorts that are too broad.
Tools
none yetTools for this topic are being researched.