# HP arms vs Marposs DOC

The clearest difference is device support: HP arms at 3 against Marposs DOC's —. Marposs DOC's advantage is iOS requirement (9.0 vs 12.0). 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 | HP arms | Marposs DOC |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | Every 6 months | — |
| Size | 45 MB | 149 MB |
| Requires iOS | 12.0 | **9.0** |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 4+ | 17+ |
| Developer | [Renishaw plc](https://appshunter.io/developer/943016056) | [Marposs S.p.A.](https://appshunter.io/developer/1043109642) |

## What reviewers say

### HP arms

[App page](https://appshunter.io/ios/app/hp-arms/id1441014006)

**Features:** macOS Compatibility

**In-app purchases:** none


### Marposs DOC

[App page](https://appshunter.io/ios/app/marposs-doc/id1635358663)

**In-app purchases:** none


## Frequently asked questions

### Is HP arms free?

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

### Is Marposs DOC free?

Marposs DOC 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.*