Firebase
Google's mobile-first platform with realtime database, auth, storage and push.
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Best Mobile App Backend Platforms
The best backend platforms for mobile apps — managed databases, authentication, push notifications and serverless functions in one place.
A mobile app needs a backend whether you want one or not: authentication, data storage, file uploads, push notifications, and somewhere to run business logic. Backend as a Service platforms bundle those so a small team can ship without operating servers, and most mobile products never outgrow them.
The meaningful differences are in the database model — relational versus document — how the auth system handles identity and social logins, the quality of the query layer, and whether the platform treats mobile as a first-class client with offline sync and conflict resolution built in.
When to leave a managed backend
Move off a managed platform when you hit one of four walls: a query pattern the platform cannot express, a compliance requirement it cannot satisfy, a data volume where the pricing model stops making sense, or a team that genuinely wants to own its infrastructure. All four are real, and none of them arrive on day one. Until then, a managed backend will ship your app faster and cost less than the equivalent you would operate yourself.
Compare the top development at a glance
Every option below is hand-picked and currently active. Compare pricing, platform and the job each one is genuinely best at before you commit.
| Tool | Pricing | Platform | Best for | Our take |
|---|---|---|---|---|
| Firebase | Free tier, usage-based | iOS, Android, web | Realtime apps with offline sync | Best mobile-first backend |
| Supabase | Free tier, usage-based | Cross-platform | Relational data with SQL | Best Postgres backend |
| AWS Amplify | Free tier, usage-based | Cross-platform | Backends already on AWS | Best AWS-integrated backend |
| Appwrite | Free tier, usage-based | Cross-platform | Self-hostable open backend | Best self-hostable backend |
| PocketBase | Free, open source | Cross-platform | Prototypes and small backends | Best single-file backend |
| Nhost | Free tier, usage-based | Cross-platform | GraphQL-first open backends | Best open GraphQL backend |
| MongoDB Atlas | Free tier, usage-based | Cross-platform | Document data at scale | Best hosted document database |
| PlanetScale | Usage-based | Cross-platform | Relational data with database branching | Best MySQL-compatible host |
| Neon | Free tier, usage-based | Cross-platform | Serverless relational data | Best serverless Postgres |
| Convex | Free tier, usage-based | Cross-platform | Real-time reactive data | Best reactive real-time backend |
| Firebase Authentication | Included in Firebase | Cross-platform | Mobile user authentication | Best turnkey mobile auth |
| OneSignal | Free tier, paid plans | iOS, Android, web | Push notifications at scale | Best push notification platform |
| Airship | Usage-based | Cross-platform | Omnichannel messaging | Best enterprise messaging platform |
| Supabase Realtime | Included in Supabase | Cross-platform | Live data in mobile clients | Best Postgres realtime layer |
| AWS AppSync | Usage-based | Cross-platform | GraphQL APIs with subscriptions | Best managed GraphQL API |
| Cloudflare Workers | Free tier, usage-based | Global edge | Low-latency backend logic | Best edge backend runtime |
| Backblaze B2 | Pay-as-you-go | Cloud storage | User file and media storage | Best cheap media storage |
| Cloudinary | Free tier, paid plans | Cross-platform | Image and video processing | Best media transformation API |
| Sentry | Free tier, usage-based | Cross-platform | Backend error monitoring | Best backend observability |
| Firebase Remote Config | Included in Firebase | Cross-platform | Remote feature flags | Best remote config for apps |
Appwrite
Open-source backend with auth, databases, storage and functions, self-hostable.
Firebase Authentication
Drop-in sign-in with email, phone, Apple, Google and social providers.
Cloudflare Workers
Edge runtime for running backend logic close to mobile users.
Firebase Remote Config
Change app behaviour and content remotely without an app release.
Frequently asked questions
What is the best backend for mobile apps?
Firebase is the most complete default for mobile because it was designed for it: real-time data, offline sync, authentication, push notifications and analytics in one project. Supabase is the best choice if you want a real relational Postgres database and SQL rather than a document model.
Is Firebase or Supabase better for a mobile app?
Choose Firebase for real-time behaviour, effortless offline sync and built-in push notifications. Choose Supabase when relational data matters, you want SQL, or you prefer a plain Postgres database you can query with any client. Many teams start on Firebase and move to Supabase as their schema becomes relational.
Do I need a backend for a simple mobile app?
If the app only displays static data, no. As soon as it has accounts, user-generated content, purchases, or shared state, you need a backend. A managed platform is almost always the right answer for a small team because it removes the need to operate anything.
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