# mos.viewer vs DevCollab

The clearest difference is iOS requirement: mos.viewer at 13.0 against DevCollab's 18.2. 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.

## The numbers

| Metric | mos.viewer | DevCollab |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | — |
| Size | 23 MB | 12 MB |
| Requires iOS | **13.0** | 18.2 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Fabrik 19 AG](https://appshunter.io/developer/501964744) | [Hernan Rodriguez](https://appshunter.io/developer/1663898627) |

## What reviewers say

### mos.viewer

[App page](https://appshunter.io/ios/app/mosviewer/id6470921065)

**In-app purchases:** none


### DevCollab

[App page](https://appshunter.io/ios/app/devcollab/id6743031695)

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

**In-app purchases:** none


## Frequently asked questions

### Is mos.viewer free?

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

### Is DevCollab free?

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

### Do mos.viewer or DevCollab have ads?

Neither mos.viewer nor DevCollab 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.*