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Add sign-in and a database to your app

When you extend your exported app with accounts, logins or stored data: three providers compared and the keys you need.

Extension: sign-in & database
With the provider
Time: ≈ 15 minutesCost: free plan, then from about $25 a month
1. Your Geckify app runs without it. You only need it once you or a developer extend the code with accounts, logins or stored data.
2. Create a Supabase project (free plan) and copy the project URL plus the publishable key.
3. Store both as environment variables at your host — never in the code.
Commands to copy
```
VITE_SUPABASE_URL=https://<project>.supabase.co
VITE_SUPABASE_PUBLISHABLE_KEY=<publishable-key>
VITE_STRIPE_PUBLISHABLE_KEY=pk_live_<...>
RESEND_API_KEY=re_<...>
```
Go there: Create a Supabase account Guide: project keys
Three reputable providers — your choice
- Supabase
  Free: 2 projects, 500 MB database, 50,000 users a month
  Then: Pro $25 a month
  pauses after 1 week without activity; Frankfurt region available
- Firebase
  Free: sign-in for 50,000 users a month, 1 GiB database, no card
  Then: Blaze: pay as you go
  sign-in runs only in US data centres; file storage needs Blaze
- Appwrite
  Free: 2 projects, 75,000 users a month
  Then: Pro from $25 a month
  Frankfurt region; pauses after 7 days without Console activity
As of 23 Sep 2026; prices may change. Geckify earns nothing from any of these recommendations.

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