Gas Checker vs PM247
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Gas Checker
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.
- Create PDF reports (certificates, invoices, quotes)
- Automated customer reminders
- Digital job sheets
- Quickbooks/Xero integration
- Cloud data sync
- Eliminate paper forms
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No1 software for Gas Installers and Heating Engineers and Plumbers in the UK and Ireland. Save time and money and Create Gas Reports, Invoices, Quotes, Job sheets and many more PDF reports and revolutionise your business. Never lose a customer again and maximise your repeat business automatically. Create digital documents for all your Gas and Heating related work. Get automated reminders each year to boost your annual repeat income. say good bye to paper forever. Link your account to Quickbooks and Xero and be MTD compliant. Gas Checker allows you to save, email and print them, this means you never have to carry a paper certificate book ever again. We include the following certificates:- Domestic Gas Safety Certificate, Gas breakdown/Service Record, Gas Warning Notice, Gas Service/Maintenance Check List, Leisure Industry Gas Safety Certificate, LPG Gas Safety Record. The app has many powerful features, which will help you fill in the required certificate easily and smoothly, all data can then be synced to the WEB so you will never lose it. Possibly the most useful App a Gas Engineer could wish for. Twitter @gaschecker When Registering for the first time after install, please make sure of the following 1) Ensure your username does not have any spaces ie Gas Checker - it should be GASCHECKER 2) Depending on the file size of your image will depend on the time it takes to Register your device. The Device needs to contact the Gas Checker server, So please be patient we hope you find this information helpful
PM247
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A Tradesman’s or service companies IT toolbox. All you need to control your work from an individual to a large company. Allocate and track your workforce, keep customers updated in real time, Create a constant communication stream from engineer to manger to office and create industry relevant forms and Invoices. Many more well designed features to enable a tradesman to control the demanding admin aspects of a business. "This app tracks your location in the background and can affect battery life"
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Gas Checker | PM247 |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | 61.1% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 3 weeks — better | Every 5 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 12.0 — better | 12.1 |
| Further details — not scored | ||
| Size | 234 MB | 36 MB |
| Age rating | 4+ | 4+ |
| Developer | GasSoft limited | Neal Martin |
Bugs and requests
Gas Checker
Reported bugs
28 issues- 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
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- Cancel and close buttons do not work
- Imported data lacks names and addresses
- Faults since update, cannot use app
- Incorrect dates on certificates
- App is very slow since last update
- Software saves multiple identical contacts
- Desktop figures do not match app figures
- Software regularly gets corrupted files
- Saved contacts disappear from the app
- App crashes frequently while filling out jobs
- App freezes and becomes unresponsive
- Searching by name crashes the app
- PC main hub shows blank invoices with error.xero
- Emailing quotes or receipts to customers does not send
- App does not update each other's iPhone/iPad details
- Reinstalling app loses history of certificates
- App sometimes loses gas certificates
- Software constantly has glitches
- Last update ruined the app
- Useful features have disappeared or don't work
- Credit card payment facility only works with a specific company
- UI is clunky and non-intuitive
- The 'done' button in the top right appears to do nothing
Requested features
3 requests- New commercial forms
- Stock control bolt-on
- Improve breakdown repair paperwork length
PM247
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Gas Checker
No in-app purchases
PM247
No in-app purchases
Questions
Is Gas Checker free?
Is PM247 free?
Do Gas Checker or PM247 have ads?
Which is updated more often, Gas Checker or PM247?
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