# Gas Checker vs PM247

Gas Checker and PM247 are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Gas Checker ships an update every 3 weeks, PM247 every 5 weeks. Both last shipped on October 29, 2026.

## The numbers

| Metric | Gas Checker | PM247 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/gas-checker/id523576969/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 61.1% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 5 weeks |
| Monetization | Free | — |
| Size | 234 MB | 36 MB |
| Requires iOS | **12.0** | 12.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [GasSoft limited](https://appshunter.io/developer/523576972) | [Neal Martin](https://appshunter.io/developer/1065421380) |

## What reviewers say

### Gas Checker

[App page](https://appshunter.io/ios/app/gas-checker/id523576969)

Streamline your gas and heating business with digital reporting and invoicing. Automate customer reminders, create PDF reports, and integrate with accounting software. Eliminate paper forms and manage all your job documentation efficiently.

**Highlights:** Create PDF reports (certificates, invoices, quotes), Automated customer reminders, Digital job sheets, Quickbooks/Xero integration, Cloud data sync, Eliminate paper forms

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

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use
- 👍 Makes life easier
- 👍 Great for gas engineers
- 👍 Saves time and paper
- 👍 Good value

**What reviewers complain about**

- 🐛 Software difficulties
- 🐛 Bugs here and there
- 🐛 Latest bug: cannot open on iPad
- 🐛 Contradictory tech advice
- 🐛 App crashes instead of opening

**Reported bugs**

- Forgotten login details lock out users
- Cannot open App on iPad with iOS 10.3
- App crashes instead of opening
- App crashes again after connecting to internet
- Cannot get past 'add a profile picture' screen

**Requested features**

- New commercial forms
- Stock control bolt-on
- Improve breakdown repair paperwork length


### PM247

[App page](https://appshunter.io/ios/app/pm247/id1065421381)

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

**In-app purchases:** none


## Frequently asked questions

### Is Gas Checker free?

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

### Is PM247 free?

PM247 is free to download, with no in-app purchases.

### Do Gas Checker or PM247 have ads?

Neither Gas Checker nor PM247 shows ads.

### Which is updated more often, Gas Checker or PM247?

Gas Checker ships an update every 3 weeks, and PM247 every 5 weeks. Most recently, Gas Checker was updated on October 29, 2026 and PM247 on October 29, 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.*