Privacy

The short version: Gaitway runs no servers and collects nothing. There are no accounts, no analytics, no third-party SDKs, and nothing is transmitted anywhere except between your own Apple Watch and iPhone.

What the app stores, and where

Permissions it asks for

What leaves your devices

Nothing. Sync between watch and phone uses Apple's WatchConnectivity directly between your own devices. Deleting the apps deletes everything they stored outside Apple Health; Health data stays under your control in the Health app.