7 tools
Mobile app calculators
App store economics, subscription LTV, retention, and UA tools for iOS and Android businesses.
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App DAU/MAU stickiness calculator
Free app DAU/MAU stickiness calculator. Enter daily and monthly active users to see your stickiness ratio, average days active per user, and monthly engagement time — with context on what the ratio means for habit formation.
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App Store revenue calculator
Free App Store revenue calculator. Enter gross revenue to see your net payout after Apple or Google's commission — or enter a target net payout to see the gross you need. Covers both the 30% standard rate and the 15% small developer and subscription rate.
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App UA ROAS calculator
Free UA ROAS calculator for mobile apps. Enter ad spend, installs, and Day 7 / Day 30 revenue per install to see gross and net ROAS at each cohort window — and the revenue per install needed to break even.
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App install CPI break-even calculator
Free CPI break-even calculator for mobile apps. Enter your cost per install, Day 30 retention, monthly ARPU, and platform commission to see your payback period and the maximum CPI you can afford.
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App rating lift calculator
Free app rating lift calculator. Enter your current rating, review count, and target rating to see exactly how many 5-star reviews you need — and how many review prompts to send if only a fraction of users respond.
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App retention curve projector
Free app retention curve projector. Enter your Day 1, Day 7, and Day 30 retention rates to project Day 90 and Day 365 retention using a power-law decay model — with benchmark comparisons for games, utility apps, and social apps.
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Subscription app LTV calculator
Free subscription app LTV calculator. Enter your monthly price, churn rate, trial conversion rate, and platform commission to see subscriber LTV, net LTV after platform cut, and the maximum CPI you can afford for profitable user acquisition.