# HydroDay vs Water Days

The clearest difference is ads: Water Days at none against HydroDay's shown. Water Days also leads on device support (3 vs 1) and iOS requirement (12.0 vs 17.0). On price and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | HydroDay | Water Days |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | — | Fortnightly |
| Size | 37 MB | 27 MB |
| Requires iOS | 17.0 | **12.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Geonung Cheong](https://appshunter.io/developer/1799622308) | [Eunmi Yoo](https://appshunter.io/developer/1840060109) |

## What reviewers say

### HydroDay

[App page](https://appshunter.io/ios/app/hydroday/id6756011046)

**Features:** macOS Compatibility

**In-app purchases:** none


### Water Days

[App page](https://appshunter.io/ios/app/water-days/id6763858187)

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

**In-app purchases:** none


## Frequently asked questions

### Is HydroDay free?

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

### Is Water Days free?

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

### Do HydroDay or Water Days have ads?

HydroDay shows ads; Water Days does not.

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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.*