Supabase is an open-source alternative to Firebase, offering a complete app development platform that includes user authentication, cloud functions, APIs, a Postgres database, storage, vector embeddings, and other features.

Supabase offers a variety of features such as user authentication, cloud functions, APIs, a Postgres database, storage, and vector embeddings. It also includes PostgreSQL's policy engine for fine-grained user access rules, social login integrations, and a customizable authentication component for React.

Supabase offers social login integrations with Google, Facebook, GitHub, Azure (Microsoft), Gitlab, Twitter, Discord, and many more.

Yes, phone login and multi-factor authentication (MFA) can be added to Supabase through third-party SMS providers such as Twilio or Bird.

Supabase offers a free tier with 50,000 monthly active users (MAUs). The Pro plan is priced at $25 per month and includes 100,000 MAUs, with an additional cost of $0.00325 per MAU beyond that.

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