Master Gas Downloads & RevenueMaster Gas - Engineer Software · App Store
Not in any tracked top chart right now.
Updated 11 Nov 2026 · rankings refresh through the day
DeveloperLittle App Company
CategoryBusiness
PriceFree
Released
Rating★ 3.9 (71)
Version2.9.100
Age rating4+
First seen by us
12 Oct 2026
Master Gas - Engineer Software update history & changes
Last change · 6 events since 22 Oct 2013Full timeline ↓📦Updated to version 2.9.100📦First update in 3313 days🆕First spotted by AppInsider🆕Released on the App Store
Full timeline · 5 events in the last 12 months
- ✏️Master Gas - Engineer Software: needs a newer iOSiOS 8.0 → iOS 13.0
- 📦Master Gas - Engineer Software updated to version 2.9.100- Fixed customer signature screen
- Changed selection options to be blue for better visual appearance for users. - 📦Master Gas - Engineer Software: first update in 3313 days
- 🆕Master Gas - Engineer Software first spotted by AppInsiderUnited Kingdom (found via developer)
- 🆕Master Gas - Engineer Software released on the App Store
Collected from the stores by AppInsider since we first spotted the app. Dates are when we saw each change.
Rating
3.9 ★
71 ratings
Measured
Master Gas - Engineer Software on the App Store
App details
App ID
720784716
Publisher
Stephen Lalor
On the store since
Oct 2013
13 years on the store
Minimum OS
iOS 13.0+
iPhone 6s and later
Devices
iPhone · iPad
Universal purchase
Content rating
4+
Languages
1
EN
Size
45 MB
Also listed in
Productivity
Where it ranks now
Every top chart it appears in across 30 countries.
| Country | Charts | Rank |
|---|---|---|
| Not charting right now. | ||
Ratings
App Store, worldwide.
Rating
3.9 ★
71 ratings
Measured
Ratings
71
Measured
About Master Gas - Engineer Software
Master Gas is a new way to manage your gas business, making your working day more productive. So goodbye to paperwork, everything is handled in the app, no more hand written forms, scraps of paper and losing customer details. Here are some of the features
• Appointment Diary
Keep track of your customer appointments with a built-in diary with fast address lookup.
• Customer Database
Keep track of all your customers in one place. Store all contact information, past job history and important reminders for each of your customers and landlords.
• Gas Certificates and Forms
You can create professional Landlord Gas Safety Records (CP12), Maintenance forms, Jobsheets, Warning Notices, Breakdown Reports and Non-Domestic documents. Installation Commissioning, Oil CD10, Oil CD11, Legionella Risk Assessment and more.
• Invoicing
Get paid quickly with the built-in invoice tool. Create invoices, then print or email to the customer. No more waiting for payment, no more stamps, no more lost cheques.
• Estimates and Quotes
Create estimates and quotes for you customers from the App. Select from previous stock items or create ad-hoc new items. You can even copy the Estimate/Quote over to an invoice to save time.
• Purchase Orders
Send your suppliers a purchase order.
• Track Expenses
Keep track of your expenses on the go. It will cut down on sorting receipts for the Tax Return and your accountant will love it too.
• Record Mileage
Log down your mileage as you go. At the end of the year you will need this for your accountant. It could save you a small fortune!
• Customisable
You can add and change any of the lookup lists to suit your needs, add your own logo to the reports and certificates.
• Email
Email any of the gas forms, invoices or reminder letters from the app to your customer. This means you get all the documents to your customer quickly, leaving no delays for payment making your cashflow a pleasure. You can even email the same documents to yourself with an “Always CC” setting in the app.
• Printing
Print any of the gas forms, invoices, reminder letters or expense records from the app to an AirPrint printer.
• Dropbox integration
We have integrated with Dropbox, so you can upload all your documents to dropbox and access these on your computer. This feature works well if you want to batch print on your office computer.
• Dedicated Support Team
We have a dedicated support team waiting to answer your questions and help you when you need it.
We work really hard to make this app useful for you. We value any feedback you have and will try to accommodate as many ideas as possible. If you have a question please contact us, we are always pleased to receive your feedback.
• Appointment Diary
Keep track of your customer appointments with a built-in diary with fast address lookup.
• Customer Database
Keep track of all your customers in one place. Store all contact information, past job history and important reminders for each of your customers and landlords.
• Gas Certificates and Forms
You can create professional Landlord Gas Safety Records (CP12), Maintenance forms, Jobsheets, Warning Notices, Breakdown Reports and Non-Domestic documents. Installation Commissioning, Oil CD10, Oil CD11, Legionella Risk Assessment and more.
• Invoicing
Get paid quickly with the built-in invoice tool. Create invoices, then print or email to the customer. No more waiting for payment, no more stamps, no more lost cheques.
• Estimates and Quotes
Create estimates and quotes for you customers from the App. Select from previous stock items or create ad-hoc new items. You can even copy the Estimate/Quote over to an invoice to save time.
• Purchase Orders
Send your suppliers a purchase order.
• Track Expenses
Keep track of your expenses on the go. It will cut down on sorting receipts for the Tax Return and your accountant will love it too.
• Record Mileage
Log down your mileage as you go. At the end of the year you will need this for your accountant. It could save you a small fortune!
• Customisable
You can add and change any of the lookup lists to suit your needs, add your own logo to the reports and certificates.
Email any of the gas forms, invoices or reminder letters from the app to your customer. This means you get all the documents to your customer quickly, leaving no delays for payment making your cashflow a pleasure. You can even email the same documents to yourself with an “Always CC” setting in the app.
• Printing
Print any of the gas forms, invoices, reminder letters or expense records from the app to an AirPrint printer.
• Dropbox integration
We have integrated with Dropbox, so you can upload all your documents to dropbox and access these on your computer. This feature works well if you want to batch print on your office computer.
• Dedicated Support Team
We have a dedicated support team waiting to answer your questions and help you when you need it.
We work really hard to make this app useful for you. We value any feedback you have and will try to accommodate as many ideas as possible. If you have a question please contact us, we are always pleased to receive your feedback.
Latest updates
2.9.100
- Fixed customer signature screen
- Changed selection options to be blue for better visual appearance for users.
2.9.8
- Signatures and Logo on Jobsheets
Store changes
What Master Gas - Engineer Software changed on its store page: name, icon, screenshots, price, size, languages, requirements.
Needs a newer iOS
iOS 8.0 → iOS 13.0