This app calculates your personalized daily water intake goal based on scientific guidelines and adjusts it for weather conditions. It provides smart, adaptive reminders throughout the day and offers a map of public drinking fountains.
1.4.2
September 11, 2026
The widget reacts right away. Tap “Log a glass” there and the number moves immediately instead of minutes later. Watch and iPhone keep up with each other: a glass logged on your wrist reaches the iPhone in seconds, even with the app closed. The other way round is just as fast. Both used to go through Apple Health and took their time. The ring now shows glasses instead of percent. “4 of 10” matches the language of the app; a percentage never appeared anywhere else. And glasses logged in the widget now arrive in Apple Health the next time you open Trinki, so they show up on your watch too.
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A small thank-you to the development
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Trinki uses EFSA/DGE guidelines, considering your weight, sex, activity level, and ambient temperature to scientifically determine your optimal daily hydration goal.
No, Trinki is ad-free. The core app is free to use, with an optional one-time purchase for Trinki Pro features.
Trinki Pro is an optional one-time purchase that unlocks features like Apple Watch integration, home and lock screen widgets, and Apple Health syncing. The price for Trinki Pro is not specified in the provided data.
Yes, Trinki offers an Apple Watch app as part of the optional Trinki Pro purchase, allowing you to log glasses and view your ring status directly on your wrist.
The latest version, 1.4.1, was last updated on July 29, 2026, indicating a recent update. Future updates will include all new Pro features.
Trinki is supported on Apple Watch and iPhone, offering a seamless experience across these platforms.
Trinki has an age rating of 4+, making it suitable for younger users to learn about healthy hydration habits.
Yes, Trinki Pro integrates with Apple Health, allowing your water intake data to be logged alongside your other health metrics.
