# Quasmo vs OMR Sheet Scanner

The clearest difference is in-app purchases: Quasmo at none against OMR Sheet Scanner's 2. Quasmo also leads on iOS requirement (12.0 vs 17). OMR Sheet Scanner's advantage is update cadence (every 4 days vs every 23 months). On price, 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. Quasmo asks for nothing beyond the download.

Quasmo ships an update every 23 months, OMR Sheet Scanner every 4 days. The most recent releases landed on September 29, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Quasmo | OMR Sheet Scanner |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 23 months | **Every 4 days** |
| Size | 28 MB | 9 MB |
| Requires iOS | **12.0** | 17 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Quality scientific and mechanical works](https://appshunter.io/developer/1738599718) | [LUTFULLAH SAFDARI](https://appshunter.io/developer/1884226234) |

## What reviewers say

### Quasmo

[App page](https://appshunter.io/ios/app/quasmo/id6480269296)

**Features:** macOS Compatibility

**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 Quasmo free?

Quasmo 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 Quasmo or OMR Sheet Scanner have ads?

Neither Quasmo nor OMR Sheet Scanner shows ads.

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

Quasmo ships an update every 23 months, and OMR Sheet Scanner every 4 days. Most recently, Quasmo was updated on September 29, 2026 and OMR Sheet Scanner on October 15, 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.*