Auth0
Auth0 provides a flexible authentication and authorization platform that helps you secure your applications and manage user identities with a simple, developer-friendly integration process.
Supabase
Supabase is an open-source Firebase alternative that provides a full suite of backend tools including a Postgres database, authentication, instant APIs, edge functions, and real-time subscriptions.
Quick Comparison
| Feature | Auth0 | Supabase |
|---|---|---|
| Website | auth0.com | supabase.com |
| Pricing Model | Freemium | Freemium |
| Starting Price | Free | Free |
| FREE Trial | ✓ 22 days free trial | ✘ No free trial |
| Free Plan | ✓ Has free plan | ✓ Has free plan |
| Product Demo | ✓ Request demo here | ✘ No product demo |
| Deployment | ||
| Integrations | ||
| Target Users | ||
| Target Industries | ||
| Customer Count | 0 | 0 |
| Founded Year | 2013 | 2020 |
| Headquarters | Bellevue, USA | Singapore, Singapore |
Overview
Auth0
Auth0 is a cloud-based identity platform that takes the complexity out of authentication and authorization. Instead of building your own login systems, you can integrate secure identity management into any application using just a few lines of code. You can easily set up social logins, multi-factor authentication, and single sign-on to protect your users and data without managing the underlying infrastructure yourself.
The platform is designed for developers who need to balance security with a smooth user experience. Whether you are building a simple web app or a complex enterprise ecosystem, you can customize the login flow to match your brand and security requirements. It handles everything from password resets to breached credential detection, allowing your team to focus on building core product features rather than security protocols.
Supabase
Supabase provides you with a complete backend platform built on top of enterprise-grade open-source tools. Instead of spending weeks configuring servers and writing boilerplate code, you can spin up a dedicated PostgreSQL database in less than two minutes. It automatically generates REST and GraphQL APIs based on your database schema, allowing you to start building your frontend immediately without manual backend plumbing.
You can manage user signups with built-in authentication, store large files in S3-compatible storage, and write custom logic using edge functions. The platform handles the heavy lifting of scaling and security, so you can focus on creating your product. Whether you are building a simple MVP or a complex enterprise application, it offers the flexibility of SQL with the speed of modern serverless development.
Overview
Auth0 Features
- Universal Login Implement a secure, branded login page that works across all your applications with a single configuration.
- Single Sign-On Allow your users to log in once and gain access to all your connected applications automatically.
- Multi-Factor Authentication Add an extra layer of security by requiring users to verify their identity via SMS, email, or push notifications.
- Social Logins Connect your apps to popular providers like Google, Facebook, and Apple to speed up your registration process.
- Breached Credential Detection Protect your users by automatically detecting and blocking logins that use leaked passwords from other sites.
- Extensible Actions Write custom JavaScript code to trigger specific logic during the login or registration process for total control.
Supabase Features
- Managed Postgres Database. Get a full PostgreSQL database with every project, giving you total control over your data with SQL power.
- Instant APIs. Interact with your database immediately through automatically generated REST and GraphQL APIs that reflect your schema changes instantly.
- Real-time Subscriptions. Listen to database changes as they happen and sync data across all your connected users in milliseconds.
- User Authentication. Add secure login and user management to your app with support for email, passwords, and social providers.
- Edge Functions. Deploy custom server-side logic globally to handle webhooks, integrate third-party APIs, or process data closer to your users.
- Vector Embeddings. Store and query machine learning embeddings directly in your database to build AI-powered search and recommendation features.
- File Storage. Upload and serve large files like images and videos with built-in CDN support and easy access control.
- Database Webhooks. Trigger external services or serverless functions automatically whenever data is inserted, updated, or deleted in your tables.
Pricing Comparison
Auth0 Pricing
- Up to 7,500 monthly active users
- Unlimited social connections
- Branded login experience
- Breached credential detection
- Basic role-based access control
- Everything in Free, plus:
- Up to 10,000 monthly active users
- Custom domains
- Professional MFA options
- Up to 3 organizations
- Standard support access
Supabase Pricing
- Unlimited API requests
- 50,000 monthly active users
- 500MB database size
- 5GB bandwidth
- 1GB file storage
- Community support
- Everything in Free, plus:
- 8GB database included
- 250GB bandwidth included
- 100GB file storage included
- Daily database backups
- No project pausing
Pros & Cons
Auth0
Pros
- Extensive documentation makes integration straightforward for developers
- Highly customizable login flows via JavaScript actions
- Supports a wide variety of programming languages
- Generous free tier for small projects
- Reliable uptime and enterprise-grade security standards
Cons
- Pricing can scale quickly as user count grows
- Complex configuration options have a learning curve
- Documentation can sometimes be overwhelming for beginners
Supabase
Pros
- Extremely fast setup for new PostgreSQL databases
- Excellent documentation and active developer community
- Seamless integration between database and authentication
- Open-source foundation prevents vendor lock-in
- Generous free tier for hobbyists and startups
Cons
- Learning curve for users unfamiliar with SQL
- Limited support for complex NoSQL use cases
- Edge functions can have cold start delays
- Dashboard can feel overwhelming for beginners