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Supabase vs. Firebase - Unveiling the Differences

Supabase vs. Firebase real time Database comparisson

In the realm of web and mobile app development, choosing the right backend platform can make all the difference in creating a seamless and efficient user experience. Supabase and Firebase are two prominent options that offer a range of features to developers. In this article, we'll delve into the differences between Supabase and Firebase, helping you make an informed decision based on your project's requirements.

Data Modeling and Management

Firebase: Firebase offers the Realtime Database and Cloud Firestore as its primary database solutions. These NoSQL databases provide real-time synchronization and are suitable for applications requiring frequent data updates, such as messaging apps or collaborative tools. However, their querying capabilities can be limited for complex queries.

Supabase: Supabase uses PostgreSQL as its database engine, which is a robust relational database system known for its flexibility and advanced querying capabilities. If your application demands complex data relationships and queries, Supabase's PostgreSQL integration can provide a more comprehensive solution.

Authentication and Security

Firebase: Firebase provides comprehensive authentication services out of the box. It supports social login, email and password authentication, and even phone number verification. Firebase also offers Firebase Security Rules, allowing you to define access controls for different user roles.

Supabase: Supabase, similarly, offers user authentication with features like social login and email authentication. Its authentication system is also highly customizable, and it integrates with your database seamlessly. Supabase offers row-level security, which means you can define specific access controls at the row level based on user roles.

Real-time Capabilities

Firebase: Firebase is renowned for its real-time capabilities, making it an excellent choice for applications requiring live updates, like chat applications or collaborative tools. Its real-time database and Firestore provide synchronized data across clients in real time.

Supabase: Supabase also offers real-time capabilities through PostgreSQL's NOTIFY/LISTEN mechanisms. However, the real-time functionality might not be as native and easy to set up as in Firebase. Developers need to handle certain aspects of real-time synchronization themselves.

Serverless Functions

Firebase: Firebase offers Cloud Functions, allowing you to run server-side code in response to events, such as data changes or HTTPS requests. It's tightly integrated with other Firebase services, making it a seamless solution for serverless computing.

Supabase: Supabase supports serverless functions through its integration with AWS Lambda. While this allows for serverless execution, it might require more manual setup and configuration compared to Firebase's built-in Cloud Functions.

Scalability and Pricing

Firebase: Firebase offers a generous free tier and a pay-as-you-go model for its services. It scales well for small to medium-sized applications. However, the pricing can escalate as your application grows, particularly if you require extensive real-time features or storage.

Supabase: Supabase also offers a free tier, making it accessible for small projects. The pricing is designed to be more predictable, and the integration with PostgreSQL makes it suitable for larger applications that demand scalability without unpredictable costs.

Customization and Control

Firebase: Firebase abstracts many backend complexities, which can be great for rapid development. However, this abstraction might limit your ability to fine-tune backend processes, especially if you require specific configurations.

Supabase: Supabase, being built on PostgreSQL, provides developers with more control over their backend processes and configurations. This can be advantageous for projects with complex requirements or where fine-tuning is crucial.


Choosing between Supabase and Firebase ultimately depends on your project's unique needs. Firebase excels in real-time features, easy setup, and integration, making it ideal for applications that require quick development cycles and live updates. On the other hand, Supabase's use of PostgreSQL and focus on customization offers greater control and flexibility for projects with complex data relationships, security needs, and advanced querying.

By evaluating your project's requirements in terms of data management, real-time features, authentication, scalability, and customization, you can make an informed decision that aligns with your development goals. Both platforms have their strengths, so it's about finding the best fit for your specific use case and vision.


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