What Is Sandbox Testing?
Sandbox testing lets you test in-app purchases without using real money. It’s an essential step before launching your app.Create a Sandbox Account
- Go to App Store Connect
- Navigate to Users and Access > Sandbox Testers
- Click the + button
- Enter your email address (must be verifiable) You could for instance just use your email with “sandbox” in it (e.g. “steffen+sandbox@buildwithai.io”)
- Fill in the required fields and select a region
- Click Save
Testing on Your Device
Step 1: Install Your App
Install your development build on your iOS device.Step 2: Add Sandbox Account to Settings
Add your sandbox account on the device so it’s ready when you integrate purchases:- iOS 13-17: Settings > App Store > Sandbox Account
- iOS 18+: Settings > Developer > Sandbox Apple Account
Important Things to Know
Subscription Testing
Subscription renewals are accelerated in sandbox mode:| Real Subscription | Sandbox Renewal |
|---|---|
| 1 month | 5 minutes |
| 1 year | 1 hour |
Common Issues
- Slow response: Sandbox purchases may take up to 15 seconds. This is normal.
- Price differences: Prices may not match what you set in App Store Connect. Focus on testing the purchase flow, not the exact prices.
Reset Your Testing Environment
To test as a new user:
- Uninstall and reinstall your app
- Create a new sandbox account if needed