RevenueCat

Judgement

What it is

Building block

What it does

SDK and backend that wraps Apple App Store, Google Play and web in-app purchases, tracking subscription status, entitlements and revenue analytics.

Adopt it when

A mobile app sells subscriptions and you do not want to build receipt validation and entitlement logic yourself.

Watch out

Fees take a percentage of tracked revenue above the free threshold.

Ready for

Production-ready

Runs as

Cloud service and library

Built with

Swift and Kotlin

What the license allows

Closed source: you use it under the maker's terms and cannot change or resell the code.

Judged on 2026-11-03 from the maker's description and Wikipedia. The license and age lines are worked out directly.

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Under it

Every program, RevenueCat included, runs on a microchip.

How compilers were built, back to punched paper tape