# Hydra vs CreHydrate

The clearest difference is in-app purchases: CreHydrate at none against Hydra's 2. Hydra's advantage is iOS requirement (15.1 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. Hydra sells 2 in-app purchases, starting at $6.99 per month. CreHydrate asks for nothing beyond the download.

## The numbers

| Metric | Hydra | CreHydrate |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Size | 41 MB | 21 MB |
| Requires iOS | **15.1** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Ryan Creary](https://appshunter.io/developer/1819349085) | [Djordje Kartaljevic](https://appshunter.io/developer/6780281386) |

## What reviewers say

### Hydra

[App page](https://appshunter.io/ios/app/hydra-water-tracker/id6764020000)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Hydra Pro Monthly | $6.99 | per month |
| Hydra Pro Annual | $39.99 | per year |


### CreHydrate

[App page](https://appshunter.io/ios/app/crehydrate/id6780281383)

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

**In-app purchases:** none


## Frequently asked questions

### Is Hydra free?

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

### Is CreHydrate free?

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

### Do Hydra or CreHydrate have ads?

Neither Hydra nor CreHydrate shows ads.

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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.*