# H2O vs Water Reminder

The clearest difference is ads: H2O at none against Water Reminder's shown. H2O also leads on update cadence (every 3 days vs every 3 weeks) and monetization model (free vs free with in-app purchases). Water Reminder's advantage is rating (5.0 vs 4.5) and iOS requirement (17.0 vs 26.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. H2O sells 4 in-app purchases, starting at $1.99 per month and Water Reminder sells 3 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.

Water Reminder holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: H2O has 192 ratings behind it against 8, so its average is the more settled of the two.

H2O ships an update every 3 days, Water Reminder every 3 weeks. The most recent releases landed on November 6, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | H2O | Water Reminder |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (192 ratings)](https://appshunter.io/ios/app/h2o-water-tracker/id1161140846/reviews) | **[5.0 (8 ratings)](https://appshunter.io/ios/app/water-reminder-dropwise/id6757279532/reviews)** |
| Number of ratings | **192** | 8 |
| Positive reviews | 84.9% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 3 days** | Every 3 weeks |
| Monetization | **Free** | Free with in-app purchases |
| Size | 48 MB | 180 MB |
| Requires iOS | 26.0 | **17.0** |
| Devices | iPhone, Apple Watch | **iPhone, iPad, Apple Watch** |
| Age rating | 12+ | 4+ |
| Developer | [Lunarbits LLC](https://appshunter.io/developer/6799532918) | [Cemal Hekimoglu](https://appshunter.io/developer/1853521537) |

## 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

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| H2O Pro Monthly | $1.99 | per month |
| H2O Pro Yearly | $9.99 | per year |
| H2O Pro Yearly | $9.99 | per year |
| H2O Pro Lifetime | $19.99 | one-time |

**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 Reminder

[App page](https://appshunter.io/ios/app/water-reminder-dropwise/id6757279532)

This app helps you build a personalized hydration routine by tracking water and other drinks. It offers smart goals adjusted for weather, flexible reminders, and progress insights. Log various beverages, sync with Apple Health, and stay motivated with streaks and rewards.

**Highlights:** Personalized daily hydration targets, Weather-based goal adjustments, Log over 40 types of drinks, Apple Watch integration, Customizable reminders, Home and Lock Screen widgets, Hydration challenges and rewards

**Features:** macOS Compatibility, Family Sharing, Apple Watch app, Vision Pro support, iPhone Duo support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $5.99 | per month |
| Annual Premium | $9.99 | per year |
| Lifetime Premium | $24.99 | one-time |


## Frequently asked questions

### Is H2O free?

H2O is free to download, with in-app purchases available.

### Is Water Reminder free?

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

### Which has better reviews, H2O or Water Reminder?

Water Reminder is rated higher. H2O averages 4.5 out of 5 from 192 ratings, while Water Reminder averages 5.0 from 8 ratings.

### Do H2O or Water Reminder have ads?

Water Reminder shows ads; H2O does not.

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

H2O ships an update every 3 days, and Water Reminder every 3 weeks. Most recently, H2O was updated on November 6, 2026 and Water Reminder on November 5, 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.*