Comparison

Water Tracker vs Hydroo

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Water Tracker

Features
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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.

About

Hydroo

Read full description

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

Water Tracker4 screens
Hydroo3 screens

Verdict

The call

Water Tracker and Hydroo are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — 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

CostPrice Ā· In-app purchases Ā· Ads Ā· Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Water Tracker ships an update every 3 weeks, Hydroo fortnightly. Both last shipped on November 4, 2026.

ScorecardNo meaningful differences
Water Tracker versus Hydroo: the parameters behind the verdict, then further details
ParameterWater TrackerHydroo
PriceFreeFree
Update frequencyEvery 3 weeksFortnightly — better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, Apple Watch — betteriPhone
Requires iOS17.017.0
Further details — not scored
Size6 MB23 MB
Age rating4+4+
DeveloperISTACK DEVELOPMENTKhawlah Bawazir

In-app purchases

None

Water Tracker

No in-app purchases

None

Hydroo

No in-app purchases

Questions

Is Water Tracker free?
Water Tracker is free to download, with no in-app purchases.
Is Hydroo free?
Hydroo is free to download, with no in-app purchases.
Do Water Tracker or Hydroo have ads?
Neither Water Tracker nor Hydroo shows ads.
Which is updated more often, Water Tracker or Hydroo?
Water Tracker ships an update every 3 weeks, and Hydroo fortnightly. Most recently, Water Tracker was updated on November 4, 2026 and Hydroo on November 4, 2026.

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