My thoughts
If you was wondering and wanted the app, yes, you have to pay.
wasted time
wasted time making me go through a survey just for there to be no free option, could have stated NO FREE OPTION at start to avoid time waste

This app helps athletes and disciplined individuals optimize performance by tracking water intake and creatine consumption. It provides smart daily targets, intelligent reminders, and insights to build discipline and enhance workouts, recovery, and focus.
2.1.3
July 7, 2026
Bug fixes and performance improvements to keep Hydra Fuel running smoothly.
Unlock weekly full access to Hydra Fuel features
Hydra Fuel is a health and fitness app designed to help users track their daily water intake and creatine consumption. It aims to improve athletic performance, recovery, focus, and discipline.
Hydra Fuel is intended for athletes, gym lovers, and anyone aiming to perform at their highest level by maintaining optimal hydration and creatine levels.
No, Hydra Fuel does not contain advertisements. The app is free to download and offers premium features through a subscription model.
Hydra Fuel offers weekly and yearly premium subscriptions. The weekly plan costs $3.99/P7D and includes a 3-day free trial. The yearly plan is $19.99/P1Y and also includes a 3-day free trial.
Hydra Fuel provides a smart daily water target based on user profiles and allows for fast and simple water intake tracking. It also features intelligent reminders that adapt to user habits.
Hydra Fuel has a rating of 2.3 stars from 6 ratings, indicating a mixed user reception based on available data.
Hydra Fuel is supported on iPhone and iPod devices.
The latest version of Hydra Fuel is 2.1.3, and it was last updated on July 7, 2026, suggesting a relatively active development cycle.