# HCKI Mobile Application vs Perfect In Math

The clearest difference is iOS requirement: HCKI Mobile Application at 10.0 against Perfect In Math's 15.6. 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 | HCKI Mobile Application | Perfect In Math |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 13 months |
| Size | 81 MB | 275 MB |
| Requires iOS | **10.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [WELA.ONLINE CORP.](https://appshunter.io/developer/1621972441) | [Mohamed Ahmed Radwan](https://appshunter.io/developer/1586606710) |

## What reviewers say

### HCKI Mobile Application

[App page](https://appshunter.io/ios/app/hcki-mobile-application/id6550891803)

**Features:** macOS Compatibility

**In-app purchases:** none


### Perfect In Math

[App page](https://appshunter.io/ios/app/perfect-in-math/id6569247989)

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

**In-app purchases:** none


## Frequently asked questions

### Is HCKI Mobile Application free?

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

### Is Perfect In Math free?

Perfect In Math is free to download, with no in-app purchases.

### Do HCKI Mobile Application or Perfect In Math have ads?

Neither HCKI Mobile Application nor Perfect In Math 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.*