# ROLAVIScan vs OpenSurvey3D

The clearest difference is update cadence: ROLAVIScan at every 2 weeks against OpenSurvey3D's monthly. ROLAVIScan also leads on iOS requirement (18.6 vs 26.2). 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.

ROLAVIScan ships an update every 2 weeks, OpenSurvey3D monthly. Both last shipped on October 31, 2026.

## The numbers

| Metric | ROLAVIScan | OpenSurvey3D |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Monthly |
| Size | 11 MB | 21 MB |
| Requires iOS | **18.6** | 26.2 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Marco Herrera](https://appshunter.io/developer/6779786898) | [Laan Labs](https://appshunter.io/developer/310916919) |

## What reviewers say

### ROLAVIScan

[App page](https://appshunter.io/ios/app/rolaviscan/id6779786896)

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

**In-app purchases:** none


### OpenSurvey3D

[App page](https://appshunter.io/ios/app/opensurvey3d/id6794840161)

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

**In-app purchases:** none


## Frequently asked questions

### Is ROLAVIScan free?

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

### Is OpenSurvey3D free?

OpenSurvey3D is free to download, with no in-app purchases.

### Do ROLAVIScan or OpenSurvey3D have ads?

Neither ROLAVIScan nor OpenSurvey3D shows ads.

### Which is updated more often, ROLAVIScan or OpenSurvey3D?

ROLAVIScan ships an update every 2 weeks, and OpenSurvey3D monthly. Most recently, ROLAVIScan was updated on October 31, 2026 and OpenSurvey3D 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.*