# Crea vs Hydra

The clearest difference is in-app purchases: Crea at none against Hydra's 2. Hydra's advantage is device support (3 vs 1) and iOS requirement (15.1 vs 26.0). On price and ads there is nothing between them.

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

## The numbers

| Metric | Crea | Hydra |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Size | 1 MB | 41 MB |
| Requires iOS | 26.0 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 17+ | 12+ |
| Developer | [Stefanos Dimelas](https://appshunter.io/developer/1859810782) | [Ryan Creary](https://appshunter.io/developer/1819349085) |

## What reviewers say

### Crea

[App page](https://appshunter.io/ios/app/crea/id6756283488)

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

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Crea free?

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

### Is Hydra free?

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

### Do Crea or Hydra have ads?

Neither Crea nor Hydra 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.*