# GTG Device Manager vs MSG Reader · Converter, Opener

The clearest difference is in-app purchases: GTG Device Manager at none against MSG Reader · Converter, Opener's 2. MSG Reader · Converter, Opener's advantage is update cadence (every 6 days vs every 2 months) and device support (4 vs 1). On price, ads and iOS requirement there is nothing between them.

Both are free to download. MSG Reader · Converter, Opener sells 2 in-app purchases, starting at $4.99 per 7 days. GTG Device Manager asks for nothing beyond the download.

GTG Device Manager ships an update every 2 months, MSG Reader · Converter, Opener every 6 days. The most recent releases landed on October 19, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | GTG Device Manager | MSG Reader · Converter, Opener |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/msg-reader-converter-opener/id6777057114/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 days** |
| Monetization | — | Free with in-app purchases |
| Size | 11 MB | 34 MB |
| Requires iOS | 16.4 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod, Mac** |
| Age rating | 17+ | 4+ |
| Developer | [senko inc.,](https://appshunter.io/developer/1439414569) | [Rush Tools LLC](https://appshunter.io/developer/1896773547) |

## What reviewers say

### GTG Device Manager

[App page](https://appshunter.io/ios/app/gtg-device-manager/id6463708321)

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

**In-app purchases:** none


### MSG Reader · Converter, Opener

[App page](https://appshunter.io/ios/app/msg-reader-converter-opener/id6777057114)

Easily open, read, and convert email files like .msg, .eml, and .emlx on your Apple devices. View attachments, message details, and authentication results. Convert messages to PDF, HTML, and other formats, all while maintaining privacy as it works offline.

**Highlights:** Open .msg, .eml, .emlx files, View sender, recipients, date, body, Preview and save attachments, Inspect message headers and authentication, Convert to PDF, HTML, EML, MBOX, Works offline

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MSG Viewer Pro - Weekly | $4.99 | per 7 days |
| MSG Viewer Pro — Yearly | $44.99 | per year |


## Frequently asked questions

### Is GTG Device Manager free?

GTG Device Manager is free to download, with no in-app purchases.

### Is MSG Reader · Converter, Opener free?

MSG Reader · Converter, Opener is free to download, with in-app purchases available.

### Do GTG Device Manager or MSG Reader · Converter, Opener have ads?

Neither GTG Device Manager nor MSG Reader · Converter, Opener shows ads.

### Which is updated more often, GTG Device Manager or MSG Reader · Converter, Opener?

GTG Device Manager ships an update every 2 months, and MSG Reader · Converter, Opener every 6 days. Most recently, GTG Device Manager was updated on October 19, 2026 and MSG Reader · Converter, Opener on October 25, 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.*