AWS Amplify vs Supabase

Detailed side-by-side comparison

AWS Amplify

Free

AWS Amplify is a comprehensive development platform for building scalable mobile and web applications with integrated backend services, CI/CD, and hosting on AWS infrastructure. It provides a complete suite of tools including authentication, APIs, storage, and serverless functions, all tightly integrated with the broader AWS ecosystem.

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Supabase

Free

Supabase is an open-source backend-as-a-service platform built on PostgreSQL that serves as a Firebase alternative. It provides instant APIs, authentication, real-time data synchronization, and storage solutions while offering the flexibility of self-hosting to avoid vendor lock-in.

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Feature Comparison

Feature	AWS Amplify	Supabase
Database & API Generation	Supports GraphQL APIs through AWS AppSync integration and REST APIs; uses DynamoDB or other AWS database services with manual schema design	Built on PostgreSQL with auto-generated REST and GraphQL APIs from your database schema; provides full SQL capabilities and advanced PostgreSQL extensions
Authentication	Uses Amazon Cognito for authentication with support for social providers, MFA, and advanced user management; deeply integrated with AWS IAM for fine-grained access control	Built-in authentication supporting multiple providers with PostgreSQL Row Level Security for database-level access control; simpler setup with JWT-based authentication
Real-time Data	Real-time capabilities through AWS AppSync subscriptions using GraphQL; requires additional configuration and AppSync setup	Native real-time subscriptions built directly into PostgreSQL using database triggers and WebSocket connections; simpler implementation for live data synchronization
File Storage	Uses Amazon S3 for storage with CloudFront CDN integration for global content delivery; enterprise-grade durability and scalability with extensive configuration options	Built-in storage service with CDN and image transformation capabilities; simpler API with direct integration to the database for file metadata management
Serverless Functions	Full access to AWS Lambda with extensive trigger options and deep integration with other AWS services; supports multiple runtimes and complex workflow orchestration	Edge Functions powered by Deno runtime for serverless compute; lighter weight and faster cold starts but with more limited ecosystem compared to Lambda
Deployment & Hosting	Integrated CI/CD pipeline with Git-based deployments and automatic hosting for frontend applications; includes preview deployments and custom domain support	Primarily focused on backend services; frontend hosting requires separate solutions, but offers self-hosting option for complete control over infrastructure

Pricing Comparison

Both platforms offer generous free tiers starting at $0/month, making them accessible for small projects and prototypes. AWS Amplify can become more expensive at scale due to AWS service pricing, while Supabase offers more predictable pricing and the option to self-host for cost optimization.

Verdict

Choose AWS Amplify if...

Choose AWS Amplify if you're already invested in the AWS ecosystem, need enterprise-grade scalability with advanced AWS service integrations, or require sophisticated CI/CD pipelines with integrated frontend hosting. It's ideal for teams familiar with AWS who need a comprehensive full-stack platform with robust security and compliance features.

Choose Supabase if...

Choose Supabase if you prefer open-source solutions with the flexibility to self-host, need the full power of PostgreSQL with advanced SQL features, or want a simpler developer experience without vendor lock-in. It's perfect for developers comfortable with relational databases who value transparent pricing and want real-time capabilities out of the box.

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Pros & Cons

AWS Amplify

Pros

+ Seamless integration with AWS services and ecosystem
+ Quick setup and deployment with pre-configured infrastructure
+ Automatic scaling and serverless architecture reduces operational overhead
+ Strong security features with IAM integration and built-in authentication

Cons

- Steep learning curve for developers unfamiliar with AWS ecosystem
- Vendor lock-in to AWS platform and services
- Can become expensive at scale compared to alternative solutions

Supabase

Pros

+ Open-source with self-hosting option avoiding vendor lock-in
+ Full power of PostgreSQL with advanced SQL features and extensions
+ Generous free tier suitable for small projects and prototypes
+ Excellent developer experience with comprehensive documentation and client libraries

Cons

- Steeper learning curve compared to simpler backends if unfamiliar with SQL
- Smaller ecosystem and community compared to established competitors like Firebase
- Some advanced features still in beta or actively being developed