# Stopak Inflator vs MSG Reader · Converter, Opener

The clearest difference is in-app purchases: Stopak Inflator at none against MSG Reader · Converter, Opener's 2. MSG Reader · Converter, Opener's advantage is update cadence (every 5 days vs every 14 months). On price, ads, device support 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. Stopak Inflator asks for nothing beyond the download.

Stopak Inflator ships an update every 14 months, MSG Reader · Converter, Opener every 5 days. The most recent releases landed on October 8, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Stopak Inflator | MSG Reader · Converter, Opener |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 14 months | **Every 5 days** |
| Monetization | — | Free with in-app purchases |
| Size | 14 MB | 34 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Signode Industrial Group LLC](https://appshunter.io/developer/1260702505) | [Rush Tools LLC](https://appshunter.io/developer/1896773547) |

## What reviewers say

### Stopak Inflator

[App page](https://appshunter.io/ios/app/stopak-inflator/id6749353080)

**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 | $29.99 | per year |


## Frequently asked questions

### Is Stopak Inflator free?

Stopak Inflator 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 Stopak Inflator or MSG Reader · Converter, Opener have ads?

Neither Stopak Inflator nor MSG Reader · Converter, Opener shows ads.

### Which is updated more often, Stopak Inflator or MSG Reader · Converter, Opener?

Stopak Inflator ships an update every 14 months, and MSG Reader · Converter, Opener every 5 days. Most recently, Stopak Inflator was updated on October 8, 2026 and MSG Reader · Converter, Opener on October 18, 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.*