How it works
Collection days = ceiling(max(n/(traffic×A), n/(traffic×(1−A)))). Total = collection + maturation.
ASO and experiments
App experiment duration calculator
Estimate days to reach a per-variant sample using eligible daily traffic, two allocations, and conversion maturation.
- Total days including maturation
- 24
- Collection days
- 17
- Approximate total weeks
- 3.43
Users must be new and independent, not repeated sessions. Seasonality, weekday effects, and variable traffic can require more time.
Worked example
8,200 per variant with 1,000 users/day and a 50/50 split need 17 collection days; 7 maturation days bring the total to 24.
Assumptions and limits
Users must be new and independent, not repeated sessions. Seasonality, weekday effects, and variable traffic can require more time.
Frequently asked questions
How do I use the app experiment duration calculator?
Estimate days to reach a per-variant sample using eligible daily traffic, two allocations, and conversion maturation.
Why does the smaller variant determine duration?
Both must reach the planned sample. The variant with less traffic reaches the target last.
Do I need an account and are my inputs uploaded?
No account is required. Calculations run in your browser. Entered numbers and text are not included in tool analytics events; only the tool ID, language, and action are recorded.
Want to go past the numbers and see the real market?
Noctral shows estimated MRR, live ads, creators, and competitors so you can validate opportunities with real signals instead of projections.
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