# Ground Control OTF vs PosMob Client

The clearest difference is iOS requirement: PosMob Client at 13.0 against Ground Control OTF's 15.0. On price, update cadence, ads 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.

Ground Control OTF ships an update monthly, PosMob Client fortnightly. The most recent releases landed on September 27, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Ground Control OTF | PosMob Client |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Fortnightly** |
| Size | 27 MB | 23 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [KUBILABS LLC](https://appshunter.io/developer/1461731902) | [Jasdeep Sandhu](https://appshunter.io/developer/641057858) |

## What reviewers say

### Ground Control OTF

[App page](https://appshunter.io/ios/app/ground-control-otf/id6447923301)

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

**In-app purchases:** none


### PosMob Client

[App page](https://appshunter.io/ios/app/posmob-client/id6468472705)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Ground Control OTF free?

Ground Control OTF is free to download, with no in-app purchases.

### Is PosMob Client free?

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

### Do Ground Control OTF or PosMob Client have ads?

Neither Ground Control OTF nor PosMob Client shows ads.

### Which is updated more often, Ground Control OTF or PosMob Client?

Ground Control OTF ships an update monthly, and PosMob Client fortnightly. Most recently, Ground Control OTF was updated on September 27, 2026 and PosMob Client on September 17, 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.*