Reef Coach – Reef Tank AI

Healthier corals. Cleaner data. Calmer hobby.

Reef Coach – Reef Tank AI helps reef-aquarium keepers track water chemistry and coral health for a calmer, data-driven hobby. 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 Reef Coach – Reef Tank AI? Email support@brainrash.com and we'll get back to you, usually within a couple of business days. Please mention Reef Coach – Reef Tank AI 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. Reef Coach – Reef Tank AI 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. Reef Coach – Reef Tank AI runs on-device, including its AI features, so it works without a connection.

    Reef Coach – Reef Tank AI — Healthier corals. Cleaner data. Calmer hobby. | BrainRash