# CIHY vs ERJ hub

The clearest difference is iOS requirement: CIHY at 9.0 against ERJ hub's 15.1. On price, ads, in-app purchases and device support 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 | CIHY | ERJ hub |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 3 weeks |
| Size | 26 MB | 37 MB |
| Requires iOS | **9.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [MingChang Software](https://appshunter.io/developer/1697786236) | [Jesus Paolo Montero](https://appshunter.io/developer/1780276187) |

## What reviewers say

### CIHY

[App page](https://appshunter.io/ios/app/cihy/id6472394104)

**Features:** macOS Compatibility

**In-app purchases:** none


### ERJ hub

[App page](https://appshunter.io/ios/app/erj-hub/id6755725088)

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

**In-app purchases:** none


## Frequently asked questions

### Is CIHY free?

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

### Is ERJ hub free?

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

### Do CIHY or ERJ hub have ads?

Neither CIHY nor ERJ hub 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.*