Compare
Alt Auth as an alternative to Auth0, Clerk, Better Auth, Supabase and Firebase
Honest, side-by-side comparisons of Alt Auth with the authentication services teams usually weigh it against — including when the other service is the better choice. Competitor facts come from their own pricing and documentation pages, checked in October 2026.
Which auth alternative is right for me?
Alt Auth is a hosted, white-label login and user-management service with EU data hosting, free up to 1,000 active users a month. It suits teams that want a branded login without building or hosting authentication themselves.
Best for
- A hosted login page in your own brand
- User data kept in the EU
- A dashboard non-developers can use
- Simple monthly pricing by active user
Comparisons
Auth0 alternative
A simpler, branded hosted login with EU data hosting and predictable monthly pricing.
- Free tier
- Auth0: Up to 25,000 MAU
- Hosted or self-hosted
- Auth0: Hosted service
- EU data hosting
- Auth0: Yes — choose an EU region when you create the tenant
Clerk alternative
A hosted, framework-agnostic login with EU data hosting.
- Free tier
- Clerk: Hobby: 50,000 MRU per app
- Hosted or self-hosted
- Clerk: Hosted service
- EU data hosting
- Clerk: No — hosted on US infrastructure, per Clerk’s security page
Better Auth alternative
A fully hosted login instead of an auth library you run and patch yourself.
- Free tier
- Better Auth: The library is free; you pay for your own hosting and database
- Hosted or self-hosted
- Better Auth: Library you run inside your own app and database
- EU data hosting
- Better Auth: Wherever you host it
Supabase Auth alternative
A branded hosted login and user dashboard that works with any database.
- Free tier
- Supabase Auth: 50,000 MAU
- Hosted or self-hosted
- Supabase Auth: Hosted service, part of a Supabase project
- EU data hosting
- Supabase Auth: Yes — pick a region per project, e.g. Frankfurt, Ireland, Paris or Stockholm
Firebase Authentication alternative
A branded hosted login with EU data hosting, outside Google Cloud.
- Free tier
- Firebase Authentication: First 50,000 MAU on the Spark and Blaze plans
- Hosted or self-hosted
- Firebase Authentication: Hosted service on Google Cloud
- EU data hosting
- Firebase Authentication: not confirmed
Alt Auth in every comparison
- Free tier
- Hobby: free up to 1,000 monthly active users, 1 app, no card
- First paid plan
- Starter: $29/month with 10,000 active users, then $0.015 each
- Hosting
- Fully hosted — nothing to run or patch
- Your own domain
- From Growth ($99/month)
- Social sign-in
- Google on every plan, Facebook from Growth; Apple and Microsoft coming soon
- Data location
- Yes — database in AWS Frankfurt, API in AWS Stockholm
Give your app a login today
Free up to 1,000 users a month. No card needed. Sign in with Google from day one.