# Airgas vs RMHCNN

The clearest difference is update cadence: RMHCNN at every 3 weeks against Airgas's every 6 months. 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.

Airgas ships an update every 6 months, RMHCNN every 3 weeks. The most recent releases landed on June 4, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Airgas | RMHCNN |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (8 ratings)](https://appshunter.io/ios/app/airgas/id1546119931/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 43 MB | 59 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Airgas, Inc.](https://appshunter.io/developer/875275557) | [Support Community, Inc.](https://appshunter.io/developer/1484074222) |

## What reviewers say

### Airgas

[App page](https://appshunter.io/ios/app/airgas/id1546119931)

Quickly reorder frequently purchased gases, welding, and safety products using your existing account. Streamline your ordering process from your phone or tablet, saving time and effort.

**Highlights:** Quick reordering of up to 50 items, Access to frequently purchased items, Biometric login for fast access, Switch between multiple accounts, Order anytime, anywhere

**In-app purchases:** none


### RMHCNN

[App page](https://appshunter.io/ios/app/rmhcnn/id1613699607)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is Airgas free?

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

### Is RMHCNN free?

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

### Do Airgas or RMHCNN have ads?

Neither Airgas nor RMHCNN shows ads.

### Which is updated more often, Airgas or RMHCNN?

Airgas ships an update every 6 months, and RMHCNN every 3 weeks. Most recently, Airgas was updated on June 4, 2026 and RMHCNN on September 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.*