# PortaGas vs MSAsafety

The clearest difference is rating: MSAsafety at 4.3 against PortaGas's 3.3. MSAsafety also leads on update cadence (every 3 months vs every 22 months) and iOS requirement (13.0 vs 15.0). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

MSAsafety holds the better App Store score, 4.3 against 3.3. Both are backed by a comparable volume of ratings — 4 and 6 respectively.

PortaGas ships an update every 22 months, MSAsafety every 3 months. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | PortaGas | MSAsafety |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.3 (4 ratings)](https://appshunter.io/ios/app/portagas/id1164234357/reviews) | **[4.3 (6 ratings)](https://appshunter.io/ios/app/msasafety/id1276643219/reviews)** |
| Number of ratings | 4 | **6** |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 22 months | **Every 3 months** |
| Monetization | Free | Free |
| Size | 110 MB | 19 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Linde GmbH](https://appshunter.io/developer/657403417) | [MSA - The Safety Company](https://appshunter.io/developer/482957840) |

## What reviewers say

### PortaGas

[App page](https://appshunter.io/ios/app/portagas/id1164234357)

Access calibration gas certificates and safety data sheets instantly. Manage cylinder information, track expiration dates, and set reminders to maintain process quality. Streamline cylinder reordering and learn about sustainable programs.

**Highlights:** Real-time COA and SDS access, Cylinder information scanning and storage, Expiration date alerts, Cylinder reorder list creation, Sustainability program information

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

**In-app purchases:** none


### MSAsafety

[App page](https://appshunter.io/ios/app/msasafety/id1276643219)

Easily find, share, and sell industrial and fire service safety products. Search by part number or name, browse by category, and access documents and videos. Save favorites and create custom lists for offline use.

**Highlights:** Search by part number or product name, Browse products by category, Create shopping and custom lists, Share product information via email, Download media for offline access, Favorite products and media

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

**In-app purchases:** none


## Frequently asked questions

### Is PortaGas free?

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

### Is MSAsafety free?

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

### Which has better reviews, PortaGas or MSAsafety?

MSAsafety is rated higher. PortaGas averages 3.3 out of 5 from 4 ratings, while MSAsafety averages 4.3 from 6 ratings.

### Do PortaGas or MSAsafety have ads?

Neither PortaGas nor MSAsafety shows ads.

### Which is updated more often, PortaGas or MSAsafety?

PortaGas ships an update every 22 months, and MSAsafety every 3 months. Most recently, PortaGas was updated on October 26, 2026 and MSAsafety on October 24, 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.*