# Waltermelon vs Hydro Hero

The clearest difference is rating: Hydro Hero at 5.0 against Waltermelon's 4.8. Waltermelon's advantage is ratings volume (29 vs 7). On price, review sentiment, update cadence and ads there is nothing between them.

Both are free to download. Waltermelon sells 9 in-app purchases, starting at $2.99 per month and Hydro Hero sells 2 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

Hydro Hero holds the better App Store score, 5.0 against 4.8. Both are backed by a comparable volume of ratings — 29 and 7 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Waltermelon ships an update weekly, Hydro Hero every 4 days. The most recent releases landed on November 8, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Waltermelon | Hydro Hero |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (29 ratings)](https://appshunter.io/ios/app/waltermelon-water-tracker/id6752122339/reviews) | **[5.0 (7 ratings)](https://appshunter.io/ios/app/hydro-hero/id6764692053/reviews)** |
| Number of ratings | **29** | 7 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Every 4 days** |
| Monetization | Freemium | Freemium |
| Size | 96 MB | 67 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 12+ |
| Developer | [Pawel Lawinski](https://appshunter.io/developer/1507163901) | [Dylan Matuschka](https://appshunter.io/developer/1895881125) |

## What reviewers say

### 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 |


### Hydro Hero

[App page](https://appshunter.io/ios/app/hydro-hero/id6764692053)

This app makes staying hydrated enjoyable by turning each drink into a rewarding challenge. Log your intake, visualize your progress, and celebrate reaching your daily hydration goals with fun animations and sound effects.

**Highlights:** Log drinks with animated reveals, Customizable sound packs, Streaks and achievement badges, Detailed stats and trends, Track various beverage types, Sync with Apple Health, Reminders and widgets, Apple Watch integration

**Features:** macOS Compatibility, Apple Watch app

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Access - Monthly | $0.99 | per month |
| Pro Access - One Time | $9.99 | one-time |


## Frequently asked questions

### Is Waltermelon free?

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

### Is Hydro Hero free?

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

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

Hydro Hero is rated higher. Waltermelon averages 4.8 out of 5 from 29 ratings, while Hydro Hero averages 5.0 from 7 ratings.

### Do Waltermelon or Hydro Hero have ads?

Neither Waltermelon nor Hydro Hero shows ads.

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

Waltermelon ships an update weekly, and Hydro Hero every 4 days. Most recently, Waltermelon was updated on November 8, 2026 and Hydro Hero on October 31, 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.*