# SKM AR Viewer vs OnsiteBIM

The clearest difference is update cadence: OnsiteBIM at weekly against SKM AR Viewer's every 3 months. SKM AR Viewer's advantage is iOS requirement (13.0 vs 16.0). 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, OnsiteBIM weekly. The most recent releases landed on October 4, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | SKM AR Viewer | OnsiteBIM |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Weekly** |
| Size | 218 MB | 22 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [S.K.M. Informatik GmbH](https://appshunter.io/developer/1410113972) | [Mihir Patel](https://appshunter.io/developer/6795016682) |

## What reviewers say

### SKM AR Viewer

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

**In-app purchases:** none


### OnsiteBIM

[App page](https://appshunter.io/ios/app/onsitebim/id6795016680)

**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 OnsiteBIM free?

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

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

Neither SKM AR Viewer nor OnsiteBIM shows ads.

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

SKM AR Viewer ships an update every 3 months, and OnsiteBIM weekly. Most recently, SKM AR Viewer was updated on October 4, 2026 and OnsiteBIM on October 18, 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.*