Free business calculator
Monthly Cohort Retention Analyzer
See how many clients return after their first month.
- Instant results
- Private in your browser
- PDF report included
Use the result well
A clear answer, with the assumptions visible
These recommendations turn the result into an operational next step without hiding the inputs behind a score.
- 1
Use anonymous client codes before pasting.
- 2
Wait until a cohort has enough time to reach later months.
- 3
Compare retention with service mix, season, and booking capacity.
How this tool works
- Parse quoted CSV rows with Arquero in this browser.
- Keep valid month pairs and count each client once per month.
- Divide returning clients by the starting cohort size.
Build it in Bookify
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