# QuickGasCerts vs Gas Engineer App

The clearest difference is in-app purchases: Gas Engineer App at none against QuickGasCerts's 3. Gas Engineer App also leads on update cadence (every 3 days vs every 3 weeks) and iOS requirement (15.1 vs 18.5). On price, review sentiment, ads and device support there is nothing between them.

Both are free to download. QuickGasCerts sells 3 in-app purchases, starting at $19.99 per year. Gas Engineer App asks for nothing beyond the download.

QuickGasCerts ships an update every 3 weeks, Gas Engineer App every 3 days. The most recent releases landed on September 6, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | QuickGasCerts | Gas Engineer App |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 3 days** |
| Monetization | **Free with in-app purchases** | Subscription |
| Size | 18 MB | 62 MB |
| Requires iOS | 18.5 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Peter Smith](https://appshunter.io/developer/1824255657) | [EsoftArena](https://appshunter.io/developer/1882381423) |

## What reviewers say

### QuickGasCerts

[App page](https://appshunter.io/ios/app/quickgascerts/id6748575124)

This app streamlines the creation and management of Gas Safety Certificates for gas engineers. It offers a user-friendly interface to simplify administrative tasks.

**Highlights:** Create Gas Safety Certificates, Manage Certificates, Easy-to-use interface, Mobile convenience

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Quick Gas Certs | $19.99 | per year |
| asdasd | $39.99 | per month |
| Yearly subscription | $19.99 | one-time |


### Gas Engineer App

[App page](https://appshunter.io/ios/app/gas-engineer-app/id6760107629)

Streamline your gas engineering business with this comprehensive mobile tool. Manage customer and job details, generate professional quotes and invoices, and create essential certificates securely. Reduce paperwork and accelerate payments for a more efficient workflow.

**Highlights:** Customer and job management, Quote and invoice generation, Certificate creation, Secure data storage, Reduced paperwork, Faster payments

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

**In-app purchases:** none


## Frequently asked questions

### Is QuickGasCerts free?

QuickGasCerts is free to download, with in-app purchases available.

### Is Gas Engineer App free?

Gas Engineer App is free to download, with no in-app purchases.

### Do QuickGasCerts or Gas Engineer App have ads?

Neither QuickGasCerts nor Gas Engineer App shows ads.

### Which is updated more often, QuickGasCerts or Gas Engineer App?

QuickGasCerts ships an update every 3 weeks, and Gas Engineer App every 3 days. Most recently, QuickGasCerts was updated on September 6, 2026 and Gas Engineer App on September 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.*