# HYDROX vs Leeon

The clearest difference is in-app purchases: Leeon at none against HYDROX's 4. HYDROX's advantage is device support (3 vs 1). On price, update cadence, ads and iOS requirement there is nothing between them.

Both are free to download. HYDROX sells 4 in-app purchases, starting at $0.99 per 7 days. Leeon asks for nothing beyond the download.

HYDROX ships an update weekly, Leeon every 6 days. Both last shipped on October 2, 2026.

## The numbers

| Metric | HYDROX | Leeon |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/hydrox-training-hydration/id6758163738/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Weekly | **Every 6 days** |
| Monetization | Freemium | — |
| Size | 8 MB | 61 MB |
| Requires iOS | **17.0** | 17.6 |
| Devices | **iPhone, iPad, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [BALL VENTURES LLC](https://appshunter.io/developer/1871278776) | [Duy Le Duc](https://appshunter.io/developer/1873508528) |

## What reviewers say

### HYDROX

[App page](https://appshunter.io/ios/app/hydrox-training-hydration/id6758163738)

This app calculates your personalized daily hydration target based on body weight and training intensity, using scientific protocols. It offers one-tap logging, smart reminders, and advanced features for athletes and fitness enthusiasts. Syncs with HealthKit and offers an Apple Watch app.

**Highlights:** Personalized hydration targets, Training intensity adjustment, One-tap logging, Smart reminders, HealthKit sync, Apple Watch app, Widgets for home and lock screen

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| HYDROX Pro | $0.99 | per 7 days |
| HYDROX Pro | $24.99 | per year |
| HYROX Americas DC Race Pack | $14.99 | one-time |
| HYROX Miami Race Pack | $14.99 | one-time |


### Leeon

[App page](https://appshunter.io/ios/app/leeon/id6758537295)

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

**In-app purchases:** none


## Frequently asked questions

### Is HYDROX free?

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

### Is Leeon free?

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

### Do HYDROX or Leeon have ads?

Neither HYDROX nor Leeon shows ads.

### Which is updated more often, HYDROX or Leeon?

HYDROX ships an update weekly, and Leeon every 6 days. Most recently, HYDROX was updated on October 2, 2026 and Leeon on October 2, 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.*