A little help.

No. The planned base price is US$0.99, paid once. There are no ads, subscriptions or in-app purchases.

Plain water. Coffee, tea and custom drinks are recorded separately. Food and other drinks still contribute to real-world hydration. Water imported from other Health apps is shown in History, and only counts toward your goal if you enable that option.

Allow notifications in iPhone Settings and check your Focus modes. Reminders are scheduled within your chosen hours. Open the app to renew the schedule. iOS controls background refresh and delivery. The iPhone schedules reminders and Apple Watch can mirror them; this release does not promise a separate recurring Watch schedule.

Yes, you can record water offline on the Watch. Its records synchronize with the paired iPhone when a connection is available. Optional Health integration can also synchronize supported water records through Apple's services. Goals and custom drink history use the direct phone–watch connection.

Open Your plan and select Connect Apple Health. Choose what to allow. Workout access is optional and only supports a reminder afterwards. Apple Health manages its own iCloud synchronization settings.

Open History, choose the date, and remove the entry. Add an earlier drink with the correct time and amount. Imported entries from another app must be changed in Apple Health or their original app.

Water already saved to Health can return when Health synchronization and permissions are enabled. The app does not back up health records to its own iCloud storage. Goals and custom drink history are local and exchanged with the paired Watch; they are not a full cloud backup.

The first release targets iPhone and Apple Watch, with adaptive layouts for iPhone Duo. The app project also includes an iPad layout. English and Spanish are included. Additional Apple platforms have not been released.