# GSM vs Commtel Vision

The clearest difference is iOS requirement: GSM at 7.0 against Commtel Vision's 15.6. 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.

## The numbers

| Metric | GSM | Commtel Vision |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 4 months |
| Size | 68 MB | 140 MB |
| Requires iOS | **7.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ITS PARTNER OUTSOURCING BUSINESS SOLUTIONS S.L.](https://appshunter.io/developer/1077671962) | [Commtel Ltd](https://appshunter.io/developer/727709984) |

## What reviewers say

### GSM

[App page](https://appshunter.io/ios/app/gsm-1/id1077671963)

**Features:** macOS Compatibility

**In-app purchases:** none


### Commtel Vision

[App page](https://appshunter.io/ios/app/commtel-vision/id6446947340)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is GSM free?

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

### Is Commtel Vision free?

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

### Do GSM or Commtel Vision have ads?

Neither GSM nor Commtel Vision shows ads.

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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.*