Comparison

HydroDay vs Water Days

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

Head to head
About

HydroDay

Features
Read full description

HydroDay : A Minimal, Private Hydration Tracker This is a simple yet precise hydration tracking app designed to help you understand your daily drinking habits No accounts, no cloud, no tracking โ€” all data stays securely on your device Stay hydrated, build healthy habits, and see your progress across days, weeks, and months. - Beautiful & Effortless Tracking - Quick input for instant logging - Intuitive icons for different cup sizes Clean daily dashboard that updates automatically Weekly & Monthly Insights - Visual summaries that reveal your hydration patterns - Goal vs. actual tracking for each day - Tap into any date to view detailed logs Edit & Delete Anytime - Fix incorrect entries in one tap - Easily adjust past records Privacy You Can Trust - All data is stored only on your device - Works fully offline - Your hydration journey is yours alone

About

Water Days

Features
Read full description

Stay hydrated, simply. WaterDays helps you track your daily water intake with a clean and minimal interface. No distractions, just what you need. Check your progress instantly with Lock Screen and Home Screen widgets, and build a healthy habit throughout your day. Features: - Simple daily water tracking - Lock Screen & Home widgets - Clean and minimal design - Gentle and distraction-free experience Drink water. Stay balanced. Reminder feature coming soon.

Screenshots

HydroDay4 screens
Water Days4 screens

Verdict

The call

The clearest difference is ads: Water Days at none against HydroDay's shown. Water Days also leads on device support (3 vs 1) and iOS requirement (12.0 vs 17.0). On price and in-app purchases there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

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

Scorecard3 real differences ยท 3 level
HydroDay versus Water Days: the parameters behind the verdict, then further details
ParameterHydroDayWater Days
PriceFreeFree
Update frequencyโ€”Fortnightly
AdsYesNo โ€” better
In-app purchasesNoNo
DevicesiPhoneiPhone, iPad, iPod โ€” better
Requires iOS17.012.0 โ€” better
Further details โ€” not scored
Size37 MB27 MB
Age rating4+4+
DeveloperGeonung CheongEunmi Yoo

In-app purchases

None

HydroDay

No in-app purchases

None

Water Days

No in-app purchases

Questions

Is HydroDay free?
HydroDay is free to download, with no in-app purchases.
Is Water Days free?
Water Days is free to download, with no in-app purchases.
Do HydroDay or Water Days have ads?
HydroDay shows ads; Water Days does not.

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