# H2O vs waterdrop® Hydration App

The clearest difference is monetization model: H2O at free against waterdrop® Hydration App's free with in-app purchases. H2O also leads on iOS requirement (10.0 vs 14.0). waterdrop® Hydration App's advantage is rating (4.8 vs 4.6) and ratings volume (770 vs 65). On price, review sentiment, ads and in-app purchases there is nothing between them.

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

waterdrop® Hydration App holds the better App Store score, 4.8 against 4.6. That said, the two scores are not equally well evidenced: waterdrop® Hydration App has 770 ratings behind it against 65, so its average is the more settled of the two. Written reviews complicate that: 88% of H2O's written reviews are positive against 83% of waterdrop® Hydration App's, so the app with the better star average is not the one people write more warmly about.

H2O ships an update every 4 months, waterdrop® Hydration App every 2 months. The most recent releases landed on September 23, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | H2O | waterdrop® Hydration App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (65 ratings)](https://appshunter.io/ios/app/h2o-water-tracker/id1161140846/reviews) | **[4.8 (770 ratings)](https://appshunter.io/ios/app/waterdrop-hydration-app/id1535002336/reviews)** |
| Number of ratings | 65 | **770** |
| Positive reviews | **87.8% of reviews** | 83.1% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 18 MB | 96 MB |
| Requires iOS | **10.0** | 14.0 |
| Devices | iPhone, iPod | **iPhone, iPod, Apple Watch** |
| Age rating | 12+ | 4+ |
| Developer | [Gregory Sapienza](https://appshunter.io/developer/1109814794) | [Waterdrop Microdrink GmbH](https://appshunter.io/developer/1535002338) |

## What reviewers say

### H2O

[App page](https://appshunter.io/ios/app/h2o-water-tracker/id1161140846)

This application helps you monitor your daily water consumption to ensure you stay adequately hydrated. It offers a visually appealing interface with features for quickly logging intake and reviewing your progress.

**Highlights:** Log water intake quickly, Preset water amounts, Weekly intake graph, Full history of entries, HealthKit integration, Intuitive interface

**In-app purchases:** none


### waterdrop® Hydration App

[App page](https://appshunter.io/ios/app/waterdrop-hydration-app/id1535002336)

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:** Apple Wallet, Apple Watch app

**In-app purchases:** none

**What reviewers like**

- 👍 Helps track water intake
- 💡 Challenges and points system motivate users
- 🚀 Easy to use and intuitive
- 👍 Integrates with Waterdrop products
- 👍 Customizable hydration goals

**What reviewers complain about**

- 🐛 Occasional data loss or reset of progress
- 🔍 Limited drink options (no milk, smoothies, etc.)
- 🔍 Cannot edit or backdate entries
- 🔍 Inconsistent tracking of some drink types (e.g. coffee)
- 🔍 Lack of Apple Health integration

**Reported bugs**

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

**Requested features**

- 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


## Frequently asked questions

### Is H2O free?

H2O is free to download, with no in-app purchases.

### Is waterdrop® Hydration App free?

waterdrop® Hydration App is free to download, with no in-app purchases.

### Which has better reviews, H2O or waterdrop® Hydration App?

waterdrop® Hydration App is rated higher. H2O averages 4.6 out of 5 from 65 ratings, while waterdrop® Hydration App averages 4.8 from 770 ratings.

### Do H2O or waterdrop® Hydration App have ads?

Neither H2O nor waterdrop® Hydration App shows ads.

### Which is updated more often, H2O or waterdrop® Hydration App?

H2O ships an update every 4 months, and waterdrop® Hydration App every 2 months. Most recently, H2O was updated on September 23, 2026 and waterdrop® Hydration App on September 24, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*