# H2O vs Water Tracker

The clearest difference is in-app purchases: H2O at none against Water Tracker's 2. H2O also leads on iOS requirement (10.0 vs 17.6). Water Tracker's advantage is update cadence (every 2 months vs every 4 months). On price, ads and device support there is nothing between them.

Both are free to download. Water Tracker sells 2 in-app purchases, starting at $7.99 per month. H2O asks for nothing beyond the download.

H2O ships an update every 4 months, Water Tracker every 2 months. The most recent releases landed on October 16, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | H2O | Water Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (65 ratings)](https://appshunter.io/ios/app/h2o-water-tracker/id1161140846/reviews)** | — |
| Number of ratings | **65** | — |
| Positive reviews | 87.8% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | Free | — |
| Size | 18 MB | 10 MB |
| Requires iOS | **10.0** | 17.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Gregory Sapienza](https://appshunter.io/developer/1109814794) | [Nuno Lopes](https://appshunter.io/developer/1802013711) |

## 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

**What reviewers like**

- 👍 Simple and intuitive interface
- 💰 Free to use
- 🚫 Ad-free experience
- ✨ Clean and minimalist design
- 🚀 Quick and easy logging

**What reviewers complain about**

- 🐛 App crashes when accessing settings
- 🐛 App shuts off when accessing settings
- 🐛 Graph feature not working
- 💡 Missing reminder notifications
- 💡 Cannot edit previous day's entries

**Reported bugs**

- App crashes when accessing settings
- App shuts off when accessing settings
- Graph feature not working
- App closes when goal is reached
- Glitches when reaching goal

**Requested features**

- Add reminder notifications
- Allow editing of previous day's entries
- Add metric units (ml/L)
- Add widget support
- Add export to HealthKit option


### Water Tracker

[App page](https://appshunter.io/ios/app/water-tracker-hydration/id6744528419)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Plan | $7.99 | per month |
| Lifetime Deal | $24.99 | one-time |


## Frequently asked questions

### Is H2O free?

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

### Is Water Tracker free?

Water Tracker is free to download, with in-app purchases available.

### Do H2O or Water Tracker have ads?

Neither H2O nor Water Tracker shows ads.

### Which is updated more often, H2O or Water Tracker?

H2O ships an update every 4 months, and Water Tracker every 2 months. Most recently, H2O was updated on October 16, 2026 and Water Tracker on October 13, 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.*