# OMR Sheet Scanner vs HelperTeacherAI

The clearest difference is in-app purchases: HelperTeacherAI at none against OMR Sheet Scanner's 2. HelperTeacherAI also leads on update cadence (daily vs every 4 days). OMR Sheet Scanner's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

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

OMR Sheet Scanner ships an update every 4 days, HelperTeacherAI daily. The most recent releases landed on October 15, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | OMR Sheet Scanner | HelperTeacherAI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 4 days | **Daily** |
| Size | 9 MB | 36 MB |
| Requires iOS | 17 | **16.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [LUTFULLAH SAFDARI](https://appshunter.io/developer/1884226234) | [TERCIO MARTINS](https://appshunter.io/developer/6792559318) |

## What reviewers say

### 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 |


### HelperTeacherAI

[App page](https://appshunter.io/ios/app/helperteacherai/id6796055548)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is OMR Sheet Scanner free?

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

### Is HelperTeacherAI free?

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

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

HelperTeacherAI shows ads; OMR Sheet Scanner does not.

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

OMR Sheet Scanner ships an update every 4 days, and HelperTeacherAI daily. Most recently, OMR Sheet Scanner was updated on October 15, 2026 and HelperTeacherAI on October 31, 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.*