# Zest Mobile vs HydroX

The clearest difference is device support: HydroX at 3 against Zest Mobile's —. Zest Mobile's advantage is iOS requirement (12.4 vs 15.1). 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 | Zest Mobile | HydroX |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | — | Every 6 weeks |
| Size | 26 MB | 32 MB |
| Requires iOS | **12.4** | 15.1 |
| Devices | — | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Zest Payments Limited](https://appshunter.io/developer/1706808574) | [HYDROGEN PAYMENT SERVICES COMPANY LIMITED](https://appshunter.io/developer/1691861531) |

## What reviewers say

### Zest Mobile

[App page](https://appshunter.io/ios/app/zest-mobile/id6473628575)

**In-app purchases:** none


### HydroX

[App page](https://appshunter.io/ios/app/hydrox/id6479891627)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Zest Mobile free?

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

### Is HydroX free?

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

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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.*