# Hydration Hero vs Waltermelon

The clearest difference is update cadence: Waltermelon at weekly against Hydration Hero's monthly. Waltermelon also leads on iOS requirement (15.6 vs 18.6). On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. Hydration Hero sells 5 in-app purchases, starting at $0.49 per 7 days and Waltermelon sells 9 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.9 for Hydration Hero against 4.8 for Waltermelon. Both are backed by a comparable volume of ratings — 14 and 29 respectively. Written reviews are what separate them: 94% of Hydration Hero's written reviews are positive against 100% of Waltermelon's.

Hydration Hero ships an update monthly, Waltermelon weekly. Both last shipped on November 8, 2026.

## The numbers

| Metric | Hydration Hero | Waltermelon |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (14 ratings)](https://appshunter.io/ios/app/hydration-herowater-reminder/id6572288673/reviews)** | [4.8 (29 ratings)](https://appshunter.io/ios/app/waltermelon-water-tracker/id6752122339/reviews) |
| Number of ratings | 14 | **29** |
| Positive reviews | 94.1% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Weekly** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 134 MB | 96 MB |
| Requires iOS | 18.6 | **15.6** |
| Devices | iPhone, Apple Watch | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Digital Sauce Pty Ltd](https://appshunter.io/developer/1759095998) | [Pawel Lawinski](https://appshunter.io/developer/1507163901) |

## What reviewers say

### Hydration Hero

[App page](https://appshunter.io/ios/app/hydration-herowater-reminder/id6572288673)

This app transforms hydration into an engaging quest with a customizable avatar that reacts to your drinks. It intelligently tracks various beverages, offers smart reminders, and allows you to set personalized goals, conquer challenges, and connect with friends for motivation.

**Highlights:** Customizable avatar that reacts to drinks, Smart tracking of various beverage hydration impacts, Personalized daily hydration goals, Intelligent reminders, Streaks, badges, and challenges for motivation, Community features and friend challenges

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $0.49 | per 7 days |
| Monthly Subscription | $1.99 | per month |
| Yearly Subscription | $14.99 | per year |
| Yearly Subscription | $19.99 | per year |
| Lifetime Subscription | $29.99 | one-time |


### Waltermelon

[App page](https://appshunter.io/ios/app/waltermelon-water-tracker/id6752122339)

This app helps you build a consistent hydration habit with smart reminders and AI-powered drink logging. Connect with friends for shared challenges and mutual encouragement to reach your daily water goals.

**Highlights:** AI drink recognition, Smart hydration reminders, Track all beverages, Caffeine and alcohol tracking, Daily challenges and rewards, Shared challenges with friends, Home screen widget

**Features:** macOS Compatibility, Vision Pro support, iPhone Duo support

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Waltermelon Premium Monthly | $2.99 | per month |
| Waltermelon Premium Weekly | $4.99 | per 7 days |
| Waltermelon Premium Yearly | $14.99 | per year |
| Waltermelon Premium Yearly | $29.99 | per year |
| Waltermelon Premium Yearly | $29.99 | per year |
| Waltermelon Premium Yearly | $29.99 | per year |
| Waltermelon Premium: Sale | $19.99 | one-time |
| Waltermelon Premium Lifetime | $34.99 | one-time |
| Waltermelon Lifetime Plus | $79.99 | one-time |


## Frequently asked questions

### Is Hydration Hero free?

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

### Is Waltermelon free?

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

### Which has better reviews, Hydration Hero or Waltermelon?

Hydration Hero is rated higher. Hydration Hero averages 4.9 out of 5 from 14 ratings, while Waltermelon averages 4.8 from 29 ratings.

### Do Hydration Hero or Waltermelon have ads?

Neither Hydration Hero nor Waltermelon shows ads.

### Which is updated more often, Hydration Hero or Waltermelon?

Hydration Hero ships an update monthly, and Waltermelon weekly. Most recently, Hydration Hero was updated on November 8, 2026 and Waltermelon on November 8, 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.*