# Airgas vs KeyInCode

The clearest difference is review sentiment: Airgas at 100% against KeyInCode's 0%. Airgas also leads on rating (4.9 vs 3.0) and iOS requirement (11.0 vs 15.6). KeyInCode's advantage is update cadence (every 2 months vs every 6 months). 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.

Airgas holds the better App Store score, 4.9 against 3.0. Both are backed by a comparable volume of ratings — 8 and 3 respectively. Written reviews point the same way: 100% of Airgas's written reviews are positive against 0% of KeyInCode's.

Airgas ships an update every 6 months, KeyInCode every 2 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | Airgas | KeyInCode |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (8 ratings)](https://appshunter.io/ios/app/airgas/id1546119931/reviews)** | [3.0 (3 ratings)](https://appshunter.io/ios/app/keyincode/id6451004475/reviews) |
| Number of ratings | **8** | 3 |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 43 MB | 49 MB |
| Requires iOS | **11.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Airgas](https://appshunter.io/developer/875275557) | [KoreLock, Inc.](https://appshunter.io/developer/1652983807) |

## 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


### KeyInCode

[App page](https://appshunter.io/ios/app/keyincode/id6451004475)

Manage and monitor your smart locks directly from your smartphone. Control access, create temporary credentials, and view activity logs remotely or via Bluetooth.

**Highlights:** Remote lock/unlock, User credential management, Access scheduling, Temporary guest codes, Activity history, Lock settings management

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

**In-app purchases:** none


## Frequently asked questions

### Is Airgas free?

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

### Is KeyInCode free?

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

### Which has better reviews, Airgas or KeyInCode?

Airgas is rated higher. Airgas averages 4.9 out of 5 from 8 ratings, while KeyInCode averages 3.0 from 3 ratings.

### Do Airgas or KeyInCode have ads?

Neither Airgas nor KeyInCode shows ads.

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

Airgas ships an update every 6 months, and KeyInCode every 2 months. Most recently, Airgas was updated on November 3, 2026 and KeyInCode on November 3, 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.*