# WeldEquations vs Airgas

The clearest difference is update cadence: Airgas at every 6 months against WeldEquations's every 12 months. Airgas also leads on iOS requirement (11.0 vs 26.0). 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.

WeldEquations ships an update every 12 months, Airgas every 6 months. The most recent releases landed on July 4, 2026 and June 4, 2026 respectively.

## The numbers

| Metric | WeldEquations | Airgas |
| --- | --- | --- |
| 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 12 months | **Every 6 months** |
| Monetization | — | Free |
| Size | 7 MB | 43 MB |
| Requires iOS | 26.0 | **11.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Glendale Coding Labs, Inc](https://appshunter.io/developer/1266859626) | [Airgas, Inc.](https://appshunter.io/developer/875275557) |

## What reviewers say

### WeldEquations

[App page](https://appshunter.io/ios/app/weldequations/id1266859627)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is WeldEquations free?

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

### Is Airgas free?

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

### Do WeldEquations or Airgas have ads?

Neither WeldEquations nor Airgas shows ads.

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

WeldEquations ships an update every 12 months, and Airgas every 6 months. Most recently, WeldEquations was updated on July 4, 2026 and Airgas on June 4, 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.*