The open source Firebase alternative. Supabase adds realtime and restful APIs to Postgres without a single line of code.
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Free Back4App Alternatives
The best free alternative to Back4App is Supabase, which is also Open Source. If that doesn't suit you, our users have ranked more than 50 alternatives to Back4App and loads of them is free so hopefully you can find a suitable replacement. Other interesting free alternatives to Back4App are Firebase, Appwrite, bknd.io and Strapi.
Alternatives list
- 115 Supabase alternatives
116 Firebase alternativesFirebase, provided by Google, is a backend service and application development platform. It uses AI, cloud infrastructure, and cross-platform SDKs for efficient app development. Firebase offers tools and infrastructure for app creation and business growth.
35 Appwrite alternativesSecure open-source backend server for web and mobile developers. Appwrite provides developers with a set of easy-to-use and integrate REST APIs to manage their core backend needs.
Cost / License
- Freemium
- Open Source (BSD-3-Clause)
Application type
Platforms
- Online
- Self-Hosted
- Software as a Service (SaaS)
- Docker
+9
Modular visual backend offering integrated database, authentication, media, and workflow management, supports SQLite, Postgres, cloud DBs, AWS S3, flexible deployment across major runtimes, open source, built for universal compatibility and direct control.
85 Strapi alternativesStrapi enables developers to build projects faster by providing a customizable API out of the box and giving them the freedom to use their favorite tools. Content teams use Strapi to autonomously manage all types of content and distribute it from one CMS to any channel be it...
+3
AWS Amplify is a complete solution that lets frontend web and mobile developers easily build, ship, and host full-stack applications on AWS, with the flexibility to leverage the breadth of AWS services as use cases evolve. No cloud expertise needed.
Cost / License
- Freemium
- Proprietary
Application type
Platforms
- Software as a Service (SaaS)
- Amazon Web Services
A complete visual app development platform that offers a fully integration UI Builder, real-time database, robust backend with Codeless logic, team-driven development, and bulletproof security.
+2
RapidStash is a service for rapidly publishing sandbox APIs with just JSON. If you have an idea of what kind of data you want to send and receive but aren’t yet ready to build a backend, just throw some example data in a “stash” and interact with it there.
Cost / License
- Freemium
- Proprietary
Application type
Platforms
- Software as a Service (SaaS)
built.io is raw engineering's proven mobile and web application development platform, designed from the ground up for the enterprise. By powering the entire backend – servers, cloud infrastructure, database, scaling – and delivering built-in enterprise app functionality...
Cost / License
- Freemium
- Proprietary
Application type
Platforms
- Online
- Android
- iPhone
- Android Tablet
- iPad
brainCloud is a ready-made, cloud-based back-end in a box for the development of games, apps and things.
Cost / License
- Freemium
- Proprietary
Application type
Platforms
- Online
- Windows Mobile
- Android
- iPhone
- Android Tablet
- Windows Phone
- iPad
- Blackberry 10
Materia is an easy-to-use backend to build all kinds of applications (mobile, web, gaming and more) Materia tooling manages the entire development cycle for building enterprise class backends (database relationships, database synchronization, API management, static file hosting...
Cost / License
- Free
- Open Source
Platforms
- Mac
- Windows
Nakama is an open-source distributed social and realtime server for games and apps. It has a large set of services for users, storage, and realtime communication; as well as specialized APIs like realtime multiplayer, groups/guilds, and chat.
Cost / License
- Freemium
- Open Source (Apache-2.0)
Platforms
- Mac
- Windows
- Linux
- Online
- Self-Hosted
- Unity
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