Comparison

waterdrop® Hydration App vs Hydrator

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

Head to head
About

waterdrop® Hydration App

This app helps you establish personal hydration goals and daily targets to make drinking water a habit. It tracks your fluid intake, sends reminders, and offers challenges to keep you motivated. It also integrates with Apple Health for automatic target updates based on activity.

Highlights
  • Personalized hydration goals
  • Daily drinking targets
  • Fluid intake tracking
  • Water intake reminders
  • In-app challenges
  • Apple Health integration
Features
Read full description

Your dry spell ends here! How much water should you drink a day? Everybody has different needs. We help you establish your personal hydration goals & daily targets and make sure that drinking water becomes second nature. App your drinking game. The waterdrop® Hydration App helps you keep on track with your fluid-intake. It's your water tracker app that reminds you to drink water and challenges you to take it one sip further. Our app... • Tracks Keep track of your drinking habits 24/7 and reach daily targets. • Reminds Regular water reminders help you reach your daily drinking goals – sip by sip. • Challenges Discover in-app challenges, collect exclusive Club points and exchange them for free accessories. We even integrate with Apple Health, which means you can sync your water intake to Apple Health and automatically update your hydration target based on the activity you logged in Apple Health. NEW: Fancy an extra smart water bottle? The innovative LUCY Smart Cap automatically measures your every sip in the waterdrop® Hydration App, uses UV-purification to gently clean your water (without any chemicals!) and reminds you to reach your daily drinking goal by flashing softly. Thanks to LUCY, your water bottle tracks, purifies your water and reminds you to drink – all in one.

About

Hydrator

This app helps you effortlessly stay hydrated with personalized reminders and easy drink tracking. Set custom goals, monitor your progress, and sync with health platforms for a complete wellness experience.

Highlights
  • Personalized water goals
  • Smart, adaptive reminders
  • Easy logging for all beverages
  • Streaks and badges for motivation
  • Apple Health and Google Fit integration
  • Distraction-free design
Features
Read full description

Hydrator – The Smart Water Reminder and Hydration Tracker **KEY FEATURES** - Personalized daily water goals based on your weight, activity, and weather - Smart, non-intrusive reminders — specific times, custom intervals, or pace-based - Fast, one-tap water logging - Goals, friends & leaderboards to stay motivated - AI Assistant Integration (MCP): Connect Hydrator to AI assistants and agents over a standard Model Context Protocol (MCP) server - Apple Health Integration - Complete privacy - Clean, distraction-free design - No ads **WORKS ON EVERY DEVICE** The same app on iPhone, Android, and the web, with the same data everywhere. Change phones or open it on a laptop and nothing changes — history, goals, and reminders all come with you. **A LOT FOR FREE** Health sync, goals and streaks, friends and leaderboard, smart reminders, and AI assistant access are all free — the kind of thing many other hydration apps put behind a paywall. Optional Pro adds automatic weather, activity, and weight tracking. Hydrator is a modern, actively maintained app. Many water trackers were last updated years ago; Hydrator keeps current with the latest iOS releases and ships improvements regularly. Stay hydrated, energized, and on track. Free with optional Pro features. Terms & Conditions: https://hydrator.app/terms_and_conditions.html Privacy Policy: https://hydrator.app/privacy_policy.html

Screenshots

waterdrop® Hydration App4 screens
Hydrator4 screens

Verdict

The call

The clearest difference is rating: waterdrop® Hydration App at 4.8 against Hydrator's 3.8. waterdrop® Hydration App also leads on in-app purchases (none vs 3) and ratings volume (781 vs 4). Hydrator's advantage is update cadence (every 5 days vs every 2 months). On price, ads, monetization model and device support there is nothing between them.

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Hydrator sells 3 in-app purchases, starting at $0.99 per month. waterdrop® Hydration App asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

waterdrop® Hydration App holds the better App Store score, 4.8 against 3.8. That said, the two scores are not equally well evidenced: waterdrop® Hydration App has 781 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 83% of waterdrop® Hydration App's written reviews are positive against 67% of Hydrator's.

UpkeepUpdate frequency

waterdrop® Hydration App ships an update every 2 months, Hydrator every 5 days. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.

Scorecard5 real differences · 5 level
waterdrop® Hydration App versus Hydrator: the parameters behind the verdict, then further details
Parameterwaterdrop® Hydration AppHydrator
PriceFreeFree
Rating4.8 (781 ratings) — better3.8 (4 ratings)
Positive reviews83.1% of reviews — better66.7% of reviews
Number of ratings781 — better4
Update frequencyEvery 2 monthsEvery 5 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree with in-app purchasesFreemium
DevicesiPhone, iPod, Apple WatchiPhone, iPad, iPod
Requires iOS15.0 — better15.6
Further details — not scored
Size95 MB81 MB
Age rating4+17+
DeveloperWaterdrop Microdrink GmbHJonathan Terry

Customer experience

waterdrop® Hydration App

All ratings779 ratings
Positive96.3%
Neutral1.7%
Negative2.1%
Written reviews337 reviews
Positive83.1%
Neutral7.1%
Negative9.8%

Hydrator

All ratings4 ratings
Positive75.0%
Neutral0.0%
Negative25.0%
Written reviews3 reviews
Positive66.7%
Neutral0.0%
Negative33.3%

Bugs and requests

waterdrop® Hydration App

Reported bugs

3 issues
  • Challenges/progress sometimes reset unexpectedly
  • Connectivity issues with Lucy smart cap
  • App crashes or freezes on some devices

Requested features

6 requests
  • Ability to edit or backdate entries
  • Integration with Apple Health
  • Option to save custom drink sizes
  • Mixing/blending of Waterdrop flavors
  • Inventory tracking for Waterdrop products
Show 1 more
  • Apple Watch app or complications

Hydrator

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

waterdrop® Hydration App

No in-app purchases

3 purchases

Hydrator

Subscriptions2
  • Hydrator Pro - Monthly1 Month trial$0.991 Month
  • Hydrator Pro - Yearly1 Month trial$9.991 Year
One-time1
  • Hydrator Pro Perpetual$19.99

Questions

Is waterdrop® Hydration App free?
waterdrop® Hydration App is free to download, with no in-app purchases.
Is Hydrator free?
Hydrator is free to download, with in-app purchases available.
Which has better reviews, waterdrop® Hydration App or Hydrator?
waterdrop® Hydration App is rated higher. waterdrop® Hydration App averages 4.8 out of 5 from 781 ratings, while Hydrator averages 3.8 from 4 ratings.
Do waterdrop® Hydration App or Hydrator have ads?
Neither waterdrop® Hydration App nor Hydrator shows ads.
Which is updated more often, waterdrop® Hydration App or Hydrator?
waterdrop® Hydration App ships an update every 2 months, and Hydrator every 5 days. Most recently, waterdrop® Hydration App was updated on October 27, 2026 and Hydrator on October 25, 2026.

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