# Centrum School Grading vs OTC Focus

The clearest difference is iOS requirement: OTC Focus at 13.0 against Centrum School Grading's 26.0. 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 | Centrum School Grading | OTC Focus |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 49 months | — |
| Size | 3 MB | 11 MB |
| Requires iOS | 26.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Meranier-Gymnasium Lichtenfels](https://appshunter.io/developer/1641109036) | [Focus School Software](https://appshunter.io/developer/860665264) |

## What reviewers say

### Centrum School Grading

[App page](https://appshunter.io/ios/app/centrum-school-grading/id1641108674)

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

**In-app purchases:** none


### OTC Focus

[App page](https://appshunter.io/ios/app/otc-focus/id6458377067)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Centrum School Grading free?

Centrum School Grading is free to download, with no in-app purchases.

### Is OTC Focus free?

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

### Do Centrum School Grading or OTC Focus have ads?

Neither Centrum School Grading nor OTC Focus 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.*