# MSG Viewer vs ProTrac CMS

The clearest difference is in-app purchases: ProTrac CMS at none against MSG Viewer's 3. ProTrac CMS also leads on iOS requirement (15.1 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. MSG Viewer sells 3 in-app purchases, starting at $3.99 per 7 days. ProTrac CMS asks for nothing beyond the download.

## The numbers

| Metric | MSG Viewer | ProTrac CMS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (12 ratings)](https://appshunter.io/ios/app/msg-viewer-email-opener/id6758084152/reviews)** | — |
| Number of ratings | **12** | — |
| Positive reviews | 93.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | — |
| Monetization | Free | — |
| Size | 21 MB | 37 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [延平 陈](https://appshunter.io/developer/1833168926) | [Luke Peereboom](https://appshunter.io/developer/1409633283) |

## What reviewers say

### MSG Viewer

[App page](https://appshunter.io/ios/app/msg-viewer-email-opener/id6758084152)

Easily open and manage various email file formats like .msg, .oft, and .eml without needing Microsoft Outlook. This app allows you to view full email details, search content, handle attachments, and export files to multiple formats. It prioritizes user privacy with local processing and no account requirements.

**Highlights:** Open .msg, .oft, .eml, .mbox, .mht files, View full email details and headers, Search within email content, Manage and preview attachments, Export emails to PDF, HTML, EML, and more, Offline and privacy-focused processing, Dark Mode support

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Weekly | $3.99 | per 7 days |
| Pro Yearly | $9.99 | per year |
| Pro Lifetime Access | $19.99 | one-time |


### ProTrac CMS

[App page](https://appshunter.io/ios/app/protrac-cms/id6760969635)

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

**In-app purchases:** none


## Frequently asked questions

### Is MSG Viewer free?

MSG Viewer is free to download, with in-app purchases available.

### Is ProTrac CMS free?

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

### Do MSG Viewer or ProTrac CMS have ads?

Neither MSG Viewer nor ProTrac CMS 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.*