Water Tracker vs Hydroo
Price, ratings, monetisation and update history for both apps, side by side ā with what reviewers say about each.
Water Tracker
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Water Tracker makes drinking enough water effortless. Log a glass in one tap on your iPhone or Apple Watch, watch the drop fill up, and let gentle reminders keep you on track. They go quiet as soon as you reach your goal. WHY YOU'LL LOVE IT ⢠One-tap logging: a glass, a bottle or any custom amount ⢠A personal daily goal based on your weight and activity ⢠Glasses, milliliters or ounces, whatever you think in ⢠Smart reminders that stop once today's goal is reached ⢠Weekly and monthly charts with your average and streak ⢠Undo or delete anything you log APPLE WATCH ⢠A full app on your wrist: turn the Digital Crown to pick an amount ⢠Works on its own, no iPhone required ⢠Complications for your watch face ⢠Syncs with your iPhone automatically WIDGETS & SIRI ⢠Home Screen widgets with a + button: log water without opening the app ⢠Lock Screen and StandBy widgets ⢠"Hey Siri, log water in Water Tracker" ⢠Shortcuts and Action Button support APPLE HEALTH Save every drink to Apple Health as Dietary Water, next to the rest of your health data. PRIVATE BY DESIGN No account, no ads, no tracking. Your data stays on your devices. Free, with no subscriptions.
Hydroo
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Hydro is a comprehensive water tracking app that helps you stay consistently hydrated.Ā By logging your daily water consumption and providing detailed week history, Hydro empowers you to develop healthier hydration habits to support your overall wellbeing.
Screenshots
Verdict
Water Tracker and Hydroo are too close to call on the numbers: across 6 compared parameters ā price, update cadence, ads and in-app purchases among them ā neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Water Tracker ships an update every 3 weeks, Hydroo fortnightly. Both last shipped on November 4, 2026.
| Parameter | Water Tracker | Hydroo |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 weeks | Fortnightly ā better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, Apple Watch ā better | iPhone |
| Requires iOS | 17.0 | 17.0 |
| Further details ā not scored | ||
| Size | 6 MB | 23 MB |
| Age rating | 4+ | 4+ |
| Developer | ISTACK DEVELOPMENT | Khawlah Bawazir |
In-app purchases
Water Tracker
No in-app purchases
Hydroo
No in-app purchases









