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IndieAppStack

Tools directory

Browse tools for every mobile app decision.

Filter the field guide by category, platform, pricing model, app stage, and tool type. Results are server-rendered and every filtered URL is shareable.

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Backend

Appwrite

Open-source backend platform for auth, databases, functions, and storage.

iOSAndroidWebReact NativeFlutterFree tier with 75,000 monthly active users, 2 GB storage, and 5 GB bandwidth. Pro from $25 per month. Scale is not listed. Enterprise is custom. Self-hosting has no license fee. Checked Oct 20, 2026.

Best for

  • Open-source backend
  • Self-hosting option
  • Auth and storage
Official siteDetails

Pricing checked Oct 20, 2026

Backend

Firebase

Google-backed backend, analytics, crash reporting, and messaging suite.

iOSAndroidWebUnityFlutterThe Spark plan is free within generous quotas; the Blaze plan adds metered pay-as-you-go pricing through Google Cloud, while analytics and Crashlytics stay free on both.

Best for

  • Google ecosystem apps
  • Realtime app backends
  • Crashlytics
Official siteDetails

Pricing checked Jul 19, 2026

Backend

Supabase

Open-source backend platform with Postgres, Auth, Storage, and Edge Functions.

iOSAndroidWebReact NativeFlutterFree tier for small projects; Pro is $25 per month with usage-based overages; Team is $599 per month; Enterprise is custom.

Best for

  • Auth
  • Postgres
  • Rapid backend setup
Official siteDetails

Pricing checked Jul 19, 2026