# Test Grup Optik Okuma vs issb

The clearest difference is iOS requirement: Test Grup Optik Okuma at 12.0 against issb'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 | Test Grup Optik Okuma | issb |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Fortnightly |
| Size | 28 MB | 62 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [FERNUS BILISIM HIZMETLERI EGI.DAN. ve TIC.LTD.STI.](https://appshunter.io/developer/927900317) | [Medipol Bilişim Teknoloji Araştırma Merkezi](https://appshunter.io/developer/1581970585) |

## What reviewers say

### Test Grup Optik Okuma

[App page](https://appshunter.io/ios/app/test-grup-optik-okuma/id6470506444)

**Features:** macOS Compatibility

**In-app purchases:** none


### issb

[App page](https://appshunter.io/ios/app/issb/id6758996200)

**In-app purchases:** none


## Frequently asked questions

### Is Test Grup Optik Okuma free?

Test Grup Optik Okuma is free to download, with no in-app purchases.

### Is issb free?

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

### Do Test Grup Optik Okuma or issb have ads?

Neither Test Grup Optik Okuma nor issb 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.*