Comparison

HydroRing vs AquaTap

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

Head to head
About

HydroRing

Read full description

Tap once to log a drink and watch your ring fill up. See how much water you've had today at a glance. A simple hydration tracker that's easy to stick with, even on busy days. KEY FEATURES - One-tap logging: set your favorite amounts as buttons, or enter a custom amount - Progress ring: turns gold when you go past your goal - See how much is left to reach today's goal - Choose what you're drinking (water, tea and more) - Confetti and haptics when you hit your goal - Daily streaks and 13 badges to earn - Calendar view of your past days - Weekly chart, average intake, goal days and best streak - Reminder notifications at the times you choose - Daily goal from 500 ml to 5000 ml - Switch between ml and oz - Available in English and Japanese GREAT FOR - Anyone who gets busy and forgets to drink water - Building a daily water habit - Seeing how coffee and tea fit into your day - People who gave up on trackers that ask for too much input - Staying on top of your water intake in hot or dry weather PRIVACY - No account needed - Your logs are stored only on your iPhone or iPad and are never sent to a server - No tracking - To show our other apps, the app reads public App Store information (your logs are never sent) PLEASE NOTE HydroRing is a wellness app for logging everyday drinks. It is not a medical device or a medical app. Please talk to a doctor or other qualified professional about your health.

About

AquaTap

Features
Read full description

AquaTap is the simplest way to track your daily water intake. Just tap to log a glass — your progress ring fills up toward your daily goal in real time. Why you'll love it: • One-tap logging with handy quick amounts (150 / 250 / 350 / 500 ml) or a custom amount • A personalized daily goal calculated from your body weight (about 35 ml per kg) • Gentle drink reminders at the interval and hours you choose • A clear 7-day history with a simple chart and daily average • Milliliters or fluid ounces • Light / Dark / System themes and satisfying haptics • Works fully offline — all your data stays on your device • English & Japanese supported No sign-up, no clutter. Just tap and stay hydrated.

Screenshots

HydroRing4 screens
AquaTap4 screens

Verdict

The call

The clearest difference is in-app purchases: AquaTap at none against HydroRing's 1. On price, update cadence, ads and device support there is nothing between them.

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. HydroRing sells 1 one-off in-app purchase. AquaTap asks for nothing beyond the download.

UpkeepUpdate frequency

HydroRing ships an update every 6 weeks, AquaTap every 3 weeks. The most recent releases landed on November 9, 2026 and October 31, 2026 respectively.

Scorecard1 real difference Ā· 5 level
HydroRing versus AquaTap: the parameters behind the verdict, then further details
ParameterHydroRingAquaTap
PriceFreeFree
Update frequencyEvery 6 weeksEvery 3 weeks — better
AdsNoNo
In-app purchasesYesNo — better
DevicesiPhone, iPad — betteriPhone
Requires iOS16.0 — better17.0
Further details — not scored
Size2 MB24 MB
Age rating4+4+
DevelopertorankiriteYuki Okawa

In-app purchases

1 purchases

HydroRing

One-time1
  • HydroRing Premium$3.99
None

AquaTap

No in-app purchases

Questions

Is HydroRing free?
HydroRing is free to download, with in-app purchases available.
Is AquaTap free?
AquaTap is free to download, with no in-app purchases.
Do HydroRing or AquaTap have ads?
Neither HydroRing nor AquaTap shows ads.
Which is updated more often, HydroRing or AquaTap?
HydroRing ships an update every 6 weeks, and AquaTap every 3 weeks. Most recently, HydroRing was updated on November 9, 2026 and AquaTap on October 31, 2026.

Other comparisons