# Airgas SRVS vs QSpec

The clearest difference is rating: QSpec at 4.0 against Airgas SRVS's 3.6. Airgas SRVS's advantage is iOS requirement (15.0 vs 18.0). On price, review sentiment, ratings volume and update cadence there is nothing between them.

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

QSpec holds the better App Store score, 4.0 against 3.6. Both are backed by a comparable volume of ratings — 10 and 6 respectively. Written reviews split almost evenly too, at 0% and 0% positive.

Airgas SRVS ships an update every 9 months, QSpec every 15 months. The most recent releases landed on October 11, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Airgas SRVS | QSpec |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.6 (10 ratings)](https://appshunter.io/ios/app/airgas-srvs/id875275554/reviews) | **[4.0 (6 ratings)](https://appshunter.io/ios/app/qspec/id1155111447/reviews)** |
| Number of ratings | **10** | 6 |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 9 months** | Every 15 months |
| Monetization | Free | Free |
| Size | 104 MB | 36 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Airgas](https://appshunter.io/developer/875275557) | [Linde GmbH](https://appshunter.io/developer/657403417) |

## What reviewers say

### Airgas SRVS

[App page](https://appshunter.io/ios/app/airgas-srvs/id875275554)

This utility app helps users manage gas mixes, track certificate expirations, and access safety data sheets for scanned products. It also provides equipment recommendations and allows for defining storage locations and product nicknames.

**Highlights:** Gas mix capabilities up to 15 components, Certificate expiration tracking, Equipment recommendations by product, Direct links to SDS, Define storage locations and product nicknames

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

**In-app purchases:** none


### QSpec

[App page](https://appshunter.io/ios/app/qspec/id1155111447)

This app helps manage gas cylinder inventory, track blend components, and monitor expiration dates for optimal process performance. It simplifies cylinder tracking and provides on-demand electronic Certificates of Analysis.

**Highlights:** Scan and store cylinder information, Track blend expiration dates, Set expiration alerts, Retrieve and email ECOAs, Create and email reorder lists, Assign cylinders to locations

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

**In-app purchases:** none


## Frequently asked questions

### Is Airgas SRVS free?

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

### Is QSpec free?

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

### Which has better reviews, Airgas SRVS or QSpec?

QSpec is rated higher. Airgas SRVS averages 3.6 out of 5 from 10 ratings, while QSpec averages 4.0 from 6 ratings.

### Do Airgas SRVS or QSpec have ads?

Neither Airgas SRVS nor QSpec shows ads.

### Which is updated more often, Airgas SRVS or QSpec?

Airgas SRVS ships an update every 9 months, and QSpec every 15 months. Most recently, Airgas SRVS was updated on October 11, 2026 and QSpec 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.*