Growth maths · Free
Retention Curve Calculator
Plot D1 / D7 / D30 retention against benchmarks.
D1 retention
32.0%
Benchmark ~30% · above
D7 retention
14.0%
Benchmark ~12% · above
D30 retention
7.0%
Benchmark ~6% · above
Solid line: your cohort. Dashed: typical consumer app benchmark.
How to use it
- Enter the size of a cohort and how many were active on each day.
- Compare each point with the benchmark line.
What good looks like
- Typical consumer apps: D1 ~25–35%, D7 ~10–15%, D30 ~5–8%.
- A curve that flattens means you have a retained core.
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