Crumb: Sourdough Coach
Photograph your loaf. Read your dough.
Crumb: Sourdough Coach reads your dough and crumb from photos and coaches your sourdough bakes. It's free to download and private by design — it works without an account, collects no personal data, shows no ads, and processes your information on your device.
- Private by design — on-device, account-free, no ads
- On-device AI, works offline
- Game Center
Support
Need help with Crumb: Sourdough Coach? Email support@brainrash.com and we'll get back to you, usually within a couple of business days. Please mention Crumb: Sourdough Coach and your iOS version.
How do I restore a purchase?
Open the app, go to Settings, and tap Restore Purchases. Purchases are tied to your Apple Account, so they restore on any device signed in with the same account.
Where is my data stored?
On your device. If you enable iCloud, it syncs through your own private iCloud account. Crumb: Sourdough Coach has no account system and no server that stores your information — see the privacy policy.
How do I delete my data?
Delete individual records inside the app, or remove all locally stored data by deleting the app from your device. If you use iCloud, you can also clear the app's iCloud data from your device's iCloud settings.
Does it work offline?
Yes. Crumb: Sourdough Coach runs on-device, including its AI features, so it works without a connection.