# AR Library vs GSP Technician

The clearest difference is device support: AR Library at 3 against GSP Technician's —. AR Library also leads on iOS requirement (12.0 vs 15.1). On price and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | AR Library | GSP Technician |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | Every 21 months | — |
| Size | 17 MB | 22 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [Trelleborg Sealing Solutions](https://appshunter.io/developer/396863758) | [Sandvik Mining](https://appshunter.io/developer/760488884) |

## What reviewers say

### AR Library

[App page](https://appshunter.io/ios/app/ar-library/id1274959321)

**Features:** macOS Compatibility

**In-app purchases:** none


### GSP Technician

[App page](https://appshunter.io/ios/app/gsp-technician/id6752663461)

**In-app purchases:** none


## Frequently asked questions

### Is AR Library free?

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

### Is GSP Technician free?

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

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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.*