Pocket Water Tracker app for iPhone and iPad

This is a completely free and open-source Water Tracker and Reminder app. No subscription, no in-app purchase, no user data collection, no ads, and no gotcha of any kind!

+ Super simple & quick water drinking log.
+ Smart Water Reminder after 2 hours of each drink logging. NO REPEATED and ANNOYING reminders again and again.
+ Water Summary with 24-hour view or weekly view.
+ Data synced with, and only with iCloud and Apple Health. No user data collected to me in any form.
+ Flexible daily goal setup.
+ Support both Milliliter and Ounce units.
+ Widgets for the Home Screen.
+ Support inputs from Siri and Spotlight. (phases: "Log Drinking")
+ Custom reminder interval.
+ Deep integration with Apple Watch.
+ Use Digital Crown to adjust water intake number.
+ Apple Watch Double Tap feature supported.

This application is open source in: https://github.com/SteveLeungYL/WaterTracker. 
If you like this app, please consider giving me a star!