TL;DR: your data is not tracked.
All information entered in Bready: Bread Baking Timer is only stored on your device. It is not transmitted anywhere. If you backup your device to iCloud, the data will be copied there, but is still only accessible to you. Only preferences are stored.
No data entered in Bready: Bread Baking Timer is used for analytics, tracking, or similar activity.
Data stored in iCloud is governed by Apple’s privacy policy