# GradeChum Scanner vs OMR Sheet Scanner

The clearest difference is in-app purchases: GradeChum Scanner at none against OMR Sheet Scanner's 2. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. OMR Sheet Scanner sells 2 in-app purchases, starting at $4.99 per month. GradeChum Scanner asks for nothing beyond the download.

GradeChum Scanner ships an update weekly, OMR Sheet Scanner every 4 days. The most recent releases landed on September 14, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | GradeChum Scanner | OMR Sheet Scanner |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Every 4 days** |
| Size | 54 MB | 9 MB |
| Requires iOS | **16.4** | 17 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [CodeChum Software Solutions Inc.](https://appshunter.io/developer/1829864357) | [LUTFULLAH SAFDARI](https://appshunter.io/developer/1884226234) |

## What reviewers say

### GradeChum Scanner

[App page](https://appshunter.io/ios/app/gradechum-scanner/id6749284633)

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

**In-app purchases:** none


### OMR Sheet Scanner

[App page](https://appshunter.io/ios/app/omr-sheet-scanner/id6760403475)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| OMR Grader Premium | $4.99 | per month |
| OMR Grader Premium | $44.99 | per year |


## Frequently asked questions

### Is GradeChum Scanner free?

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

### Is OMR Sheet Scanner free?

OMR Sheet Scanner is free to download, with in-app purchases available.

### Do GradeChum Scanner or OMR Sheet Scanner have ads?

Neither GradeChum Scanner nor OMR Sheet Scanner shows ads.

### Which is updated more often, GradeChum Scanner or OMR Sheet Scanner?

GradeChum Scanner ships an update weekly, and OMR Sheet Scanner every 4 days. Most recently, GradeChum Scanner was updated on September 14, 2026 and OMR Sheet Scanner on September 10, 2026.

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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.*