6 min read
Backend for an Expo app: auth, subscriptions and push
What an Expo app needs from a backend: verified sign-in tokens, server-side subscription checks, stored push tokens, and secrets kept out of the bundle.
Articles about mobile app subscriptions
4 articles from the Edict blog cover mobile app subscriptions. The newest comes first.
8 min read
Per-plan AI quotas without shipping your API key
Give free and paid users different AI limits by routing model calls through your own gateway, metering usage in Postgres, and never embedding a key in the app.
9 min read
Why subscription entitlements belong on the server
A mobile app should not decide on the device what a user paid for. Verify purchases on a server and keep entitlements in a table fed by store notifications.
8 min read
Testing subscription states before a real purchase
Test trials, renewals, billing retry, expiry and refunds with StoreKit files, sandbox accounts and seeded backend state before any real money moves.