# SKM AR Viewer vs MemoMapper

The clearest difference is update cadence: SKM AR Viewer at every 3 months against MemoMapper's every 25 months. SKM AR Viewer also leads on iOS requirement (13.0 vs 15.6). 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.

SKM AR Viewer ships an update every 3 months, MemoMapper every 25 months. The most recent releases landed on October 4, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | SKM AR Viewer | MemoMapper |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 25 months |
| Size | 218 MB | 3 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [S.K.M. Informatik GmbH](https://appshunter.io/developer/1410113972) | [thomas forsberg](https://appshunter.io/developer/1498439493) |

## What reviewers say

### SKM AR Viewer

[App page](https://appshunter.io/ios/app/skm-ar-viewer/id1421771731)

**In-app purchases:** none


### MemoMapper

[App page](https://appshunter.io/ios/app/memomapper/id1555358812)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SKM AR Viewer free?

SKM AR Viewer is free to download, with no in-app purchases.

### Is MemoMapper free?

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

### Do SKM AR Viewer or MemoMapper have ads?

Neither SKM AR Viewer nor MemoMapper shows ads.

### Which is updated more often, SKM AR Viewer or MemoMapper?

SKM AR Viewer ships an update every 3 months, and MemoMapper every 25 months. Most recently, SKM AR Viewer was updated on October 4, 2026 and MemoMapper on October 13, 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.*