# OLM Marker vs ExamScan

The clearest difference is ads: OLM Marker at none against ExamScan's shown. OLM Marker also leads on iOS requirement (13.5 vs 17.0). ExamScan's advantage is update cadence (every 2 days vs every 3 weeks). On price, 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.

OLM Marker ships an update every 3 weeks, ExamScan every 2 days. The most recent releases landed on October 7, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | OLM Marker | ExamScan |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Every 2 days** |
| Size | 8 MB | 34 MB |
| Requires iOS | **13.5** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Tho Ha Duc](https://appshunter.io/developer/1636633233) | [Tien Nguyen](https://appshunter.io/developer/6782332994) |

## What reviewers say

### OLM Marker

[App page](https://appshunter.io/ios/app/olm-marker/id1636633231)

**Features:** macOS Compatibility

**In-app purchases:** none


### ExamScan

[App page](https://appshunter.io/ios/app/examscan-answer-sheet-grader/id6782332992)

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

**In-app purchases:** none


## Frequently asked questions

### Is OLM Marker free?

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

### Is ExamScan free?

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

### Do OLM Marker or ExamScan have ads?

ExamScan shows ads; OLM Marker does not.

### Which is updated more often, OLM Marker or ExamScan?

OLM Marker ships an update every 3 weeks, and ExamScan every 2 days. Most recently, OLM Marker was updated on October 7, 2026 and ExamScan on October 8, 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.*