Supabase vs Appwrite: Which Open Source BaaS Fits Your Stack?

Both are open-source BaaS, but Supabase builds on PostgreSQL while Appwrite uses MariaDB with multi-runtime functions. See which suits your stack.

Supabase and Appwrite are both excellent open-source BaaS platforms, but they serve different needs. Supabase offers direct PostgreSQL access with full SQL power, Row Level Security, and a growing extension ecosystem including pgvector for AI applications. This makes it ideal for data-intensive applications and teams that want to use the relational database as their foundation. Appwrite provides an easier self-hosting experience with multi-runtime functions and comprehensive platform SDKs, offering flexibility in programming languages and a consistent experience across web and mobile. The choice depends on your priorities: if direct SQL access, PostgreSQL extensions, and type-safe API generation matter most, Supabase is the stronger option. If language flexibility in functions, simple Docker setup, and broad mobile SDK support are your priorities, Appwrite is the better fit.

Supabase and Appwrite backend-as-a-service platforms compared

Background

Open-source Backend-as-a-Service platforms offer an attractive alternative to proprietary solutions like Firebase and AWS Amplify. By keeping the source code open, you avoid vendor lock-in and retain the ability to self-host when needed. Supabase and Appwrite are the two most prominent open-source BaaS platforms in 2026, each with a distinct philosophy on how backend services should be delivered to developers. Supabase builds on the power of PostgreSQL as a universal database, while Appwrite takes a more platform-agnostic approach with MariaDB and multi-runtime functions. The choice between them determines not only your backend architecture, but also which programming languages, ORMs, and deployment strategies are available to your team.

Supabase

An open-source Backend-as-a-Service built on PostgreSQL with real-time subscriptions, Row Level Security, edge functions, and auto-generated REST and GraphQL APIs. Supabase offers a fully managed cloud service and is also self-hostable via Docker Compose. It positions itself as the open-source alternative to Firebase, but with the full power of a relational database. Since 2025, Supabase also supports vector embeddings via pgvector, making it suitable for AI applications. With over 75,000 GitHub stars and an active community, Supabase has grown into one of the most popular BaaS platforms available.

Appwrite

An open-source Backend-as-a-Service with a MariaDB database, multi-runtime cloud functions supporting Node.js, Python, PHP, Dart, Ruby, and Swift, along with storage, authentication, and realtime capabilities. Appwrite is designed as a Docker-first platform for easy self-hosting and provides extensive SDKs for web, mobile, and server platforms. Its architecture is built from microservices running in Docker containers, which simplifies the management and scaling of individual components. Appwrite focuses strongly on delivering a consistent developer experience across all supported platforms.

What are the key differences between Supabase and Appwrite?

Feature	Supabase	Appwrite
Database	PostgreSQL with full SQL, joins, transactions, extensions, and direct database access via SQL	MariaDB with a document-like API layer, no direct SQL queries possible from the client
Functions	Edge Functions powered by Deno for low-latency execution on the global edge network	Multi-runtime functions: Node.js, Python, PHP, Ruby, Dart, and Swift, executed in Docker containers
Self-hosting	Docker Compose with multiple services (PostgreSQL, GoTrue, Kong, Realtime), requires more configuration	Docker-first architecture with a single docker-compose that sets up the full stack in minutes
API generation	Automatically generated REST and GraphQL APIs directly from your PostgreSQL database schema	REST API with per-platform SDK abstraction, no direct database access available to clients
Real-time	PostgreSQL CDC-based real-time subscriptions with fine-grained row-level filtering support	WebSocket-based real-time events and channels for cross-platform data synchronization
Authentication	GoTrue-based auth with social login, magic links, MFA, and deep Row Level Security integration	Built-in auth with social login, email/password, magic URL, and phone auth per platform
Storage	S3-compatible object storage with transformations, signed URLs, and RLS-based access control policies	Built-in file storage with per-bucket permissions, preview generation, and antivirus scanning
Vector and AI	Pgvector extension for vector embeddings, suitable for RAG pipelines and semantic search use cases	No built-in vector support, requires external integration for AI and embedding workloads

When to choose which?

Choose Supabase when...

Choose Supabase when your project requires direct PostgreSQL access with full SQL power, including joins, transactions, views, and stored procedures. Row Level Security provides fine-grained access control at the database level, simplifying your security architecture. Auto-generated REST and GraphQL APIs significantly accelerate development, especially when combined with TypeScript and Prisma. Choose Supabase as well if you want to integrate AI functionality via pgvector for vector embeddings and semantic search. The extensive PostgreSQL extension ecosystem, including PostGIS for geospatial data and pg_cron for scheduled jobs, makes Supabase exceptionally versatile.

Choose Appwrite when...

Choose Appwrite when your team wants to write serverless functions in multiple programming languages such as Python, PHP, Ruby, or Dart. This is especially valuable for teams with a polyglot background who do not want to be tied to Deno or TypeScript. Appwrite is also the better choice when a simple Docker-first self-hosting setup is essential, since the entire stack becomes operational with a single docker-compose command. The comprehensive SDKs for Flutter, Android, iOS, and desktop make Appwrite attractive for cross-platform mobile projects. Choose Appwrite if compliance requirements dictate that all services run fully on-premise.

What is the verdict on Supabase vs Appwrite?

Which option does MG Software recommend?

At MG Software, Supabase is our primary BaaS platform and a core part of our technical stack. Direct PostgreSQL access, Row Level Security, and auto-generated APIs align perfectly with our Next.js and TypeScript workflow. We combine Supabase with Prisma as our ORM for a fully type-safe pipeline from database to frontend. Edge functions on Deno provide low-latency serverless logic, and pgvector enables AI integrations without a separate vector database. We deploy on Vercel with Supabase as the backend, resulting in a fast and reliable architecture. We recommend Appwrite for clients who specifically need multi-runtime functions in Python or PHP, or when a simple Docker-first self-hosting setup is a hard requirement. For most modern web projects, however, Supabase offers the more powerful and flexible foundation.

Migrating: what to consider?

Migrating between Supabase and Appwrite is a significant undertaking due to the different underlying databases: PostgreSQL versus MariaDB. Export your data first to a neutral format such as CSV or JSON. Authentication tokens and sessions are not transferable, so plan for re-registering or re-inviting users. Row Level Security policies in Supabase must be translated to Appwrite permission rules, which operate at the document level rather than the row level. Storage files can generally be migrated directly. Account for changes in API calls: Supabase uses auto-generated REST endpoints while Appwrite requires SDK method calls. Test the migration thoroughly in a staging environment before moving production data.

Frequently asked questions

That depends on your priorities and technical stack. Supabase is the better choice when you need direct SQL access, PostgreSQL extensions like pgvector, and Row Level Security. Its ecosystem is larger and the community more active. Appwrite fits better when you want to write multi-runtime functions in Python, PHP, or Dart, or when a simple Docker-first self-hosting setup is essential. For TypeScript and Next.js projects, Supabase generally offers better integration through its auto-generated type-safe APIs.

Appwrite is generally easier to self-host thanks to its Docker-first architecture and a single docker-compose configuration that sets up the entire stack. Supabase self-hosting requires more components, including PostgreSQL, GoTrue, Kong, Realtime, and Storage, each with their own configuration. This provides more flexibility but increases complexity. For teams without extensive DevOps experience, Appwrite is the safer choice for self-hosting. Supabase is working to improve the self-hosting experience, but it remains more complex than Appwrite.

Both offer free tiers for their managed cloud service. Supabase provides 500 MB database, 1 GB storage, and 2 GB bandwidth free per project. Appwrite Cloud offers 10 GB bandwidth, 2 GB storage, and 750,000 function executions per month for free. Self-hosting is completely free for both platforms; you only pay for your own server infrastructure. For hobby projects and prototypes, the free tiers of both platforms are more than sufficient to get started.

Yes, Supabase supports vector embeddings through the pgvector extension that runs directly inside PostgreSQL. This makes it possible to perform vector similarity search alongside your regular relational data, without needing a separate vector database like Pinecone or Weaviate. You can store embeddings using the vector column type and search with cosine similarity or inner product operators. This is ideal for RAG pipelines, semantic search, and recommendation systems in AI applications.

Both platforms offer comprehensive authentication with social login, email/password, and magic links. The key difference is the integration with authorization: Supabase couples authentication directly with Row Level Security in PostgreSQL, allowing you to write database policies that automatically evaluate the logged-in user. Appwrite uses a separate permission system at the document and collection level. Supabase also supports MFA via TOTP. For applications where database-level authorization is important, Supabase offers a more elegant solution.

Absolutely, and that is exactly how we work at MG Software. Because Supabase is built on PostgreSQL, you can use any PostgreSQL-compatible ORM, including Prisma, Drizzle, and TypeORM. Prisma can introspect your Supabase database to automatically generate a schema. You then use Prisma Client for type-safe queries in your server-side code, while Supabase handles Row Level Security and real-time subscriptions. This combination offers the best of both worlds: type safety via Prisma and BaaS functionality via Supabase.

Supabase has a considerably larger community in 2026 with over 75,000 GitHub stars, extensive official documentation, and an active Discord channel with thousands of developers. There are also more third-party tutorials, courses, and integrations available. Appwrite has a smaller but engaged community with solid documentation and an active Discord. For beginners, Supabase offers more learning resources and example projects. The difference in community size also translates to faster bug fixes and more available third-party libraries.

We build production software with this stack

Our developers work with these tools daily for clients across Europe. Price estimate within 24 hours.