Build with AI
Add auth
Sign-in, users and sessions without the pain. 3 tools, editor's picks first.
Builder's picks
Recommended stack
01Prebuilt sign-in
Clerk offers ready-made sign-in screens, sessions and user management. Choose it when you want a dedicated authentication service with polished UI.
02Auth alongside Postgres
Supabase Auth connects user identity to your Postgres data. Choose it when you want authentication and database access policies in one stack.
03Firebase apps
Firebase Authentication fits apps already using Firebase services. It supports established sign-in methods across web and mobile apps.
All matching tools (3)
Supabase
Deploy & backend
The Postgres development platform
freemium#database#postgres
Clerk
Deploy & backend
Complete user management
freemium#auth#users
Firebase
Deploy & backend
Google's app development platform
freemium#database#auth
FAQ: Add auth
- What are the best AI tools for "Add auth"?
- Our picks include Clerk, Supabase, Firebase. Sign-in, users and sessions without the pain. Stackdrop lists 3 tools for this job.
- Are there free tools for "Add auth"?
- Yes — Supabase, Clerk, Firebase are listed as free, freemium or open source. Plans change often, so check each tool's official pricing page.
- Do I need to know how to code?
- Not always. App builders like Lovable or Bolt.new let you describe what you want, while coding assistants and backend services work best if you're comfortable with code.
- How should I combine these tools?
- Follow the recommended stack at the top of this page: each pick covers one role, from building the app to data, payments and deployment.