Comparison

Gas Engineer Software vs Proxix

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Gas Engineer Software

This comprehensive app helps gas, oil, and plumbing professionals streamline their business operations. It allows for the creation of industry-specific certificates, issuance of quotes and invoices, and efficient job scheduling. Manage your team, customers, and finances from any device, anywhere, saving time and boosting revenue.

Highlights
  • Create industry certificates
  • Issue quotes and invoices
  • Schedule jobs with calendar
  • Manage team and customers
  • Automated service reminders
  • Offline access
Features
Read full description

Gas Engineer Software (GES) is more than just an easy-to-use gas certificate app. It’s an all-in-one gas engineer software perfect for heating professionals. Whether you’re a gas engineer, oil engineer, or plumber, use GES to create all your industry certificates & records, issue quotes & invoices, manage schedules, and lots more. Save hours each week and run a successful heating & plumbing business on any device, from anywhere, and at any time. • Average of 6.6 hours saved each week • Average revenue growth of 37% in the first year • Trusted by 6,000+ businesses • Set up in 3 minutes OVERVIEW — MAIN FEATURES • Gas app for issuing certificates, records, job sheets • Send quotes and issue invoices • Schedule jobs with an integrated calendar • Manage your team from anywhere • Automated boiler service reminders • Manage your customer database • Easy & organised job management • Accounting software integrations • Sync to web portal for easy office use • Full offline access OIL & GAS CERTIFICATE APP • Easily create all oil and gas certificates • Professional & accurate records compliant with the latest regulations. • Easily track, organise & manage historical records. GAS CERTIFICATES • Homeowner Gas Safety Record • Landlord Gas Safety Record • Gas Warning Notice • Gas Service Record • Gas Breakdown Record • Installation / Commissioning Checklist • ND Gas Safety Record • Leisure Industry Gas Safety Record • LPG Gas Safety Record • ND Gas Testing & Purging Record • ND Catering Record OIL CERTIFICATES • CD/10 Oil Firing Installation Completion Report • CD/11 Oil Firing Servicing and Commissioning Report • CD/12 Landlord Oil Installation Check • CD/14 Oil Warning and Advice Notice • TI/133D Domestic Oil Storage, Tank Spillage and Fire Risk Report QUOTING & INVOICING • See all invoices & unpaid jobs & let GES chase late payers with automatic reminders. • Send professional & customisable invoices seconds after the job has finished. • Get your quotes in before your competitors. Use template line items for fast quotes. • Quickly turn your quotes & estimates into invoices at the click of a button. JOB SCHEDULING • Simple & easy job creation for your team. • See where your engineers are and who is available at a glance. • Let engineers know what their schedule is without coming to the office. • Eliminate booking errors and conflicts. AUTOMATED REMINDERS • Email & SMS boiler service reminders to find extra work. • Quote follow-ups to win more jobs. • Invoice payment reminders so you don’t have to chase late payers. • All reminders are fully customisable USER & TEAM MANAGEMENT • Control what your team can see & do with user roles. • Easily assign jobs to the right engineers at the right time. • Full job history so you always know the ‘who’, ‘what’ & ‘when’ of every job. • Our gas app is very easy & quick for your team to use. CUSTOMER MANAGEMENT SOFTWARE (CRM) • Access detailed customer information in seconds • All information available on your mobile device • Keep all customer information in one consolidated place. • See which customer hasn’t paid & let our software send automated reminders. SOFTWARE INTEGRATIONS • Xero, QuickBooks & Sage accounting software • Anton, Kane & TPI flue gas analysers • Crezco open banking payments REQUEST A DEMO If you want to see the app in action or get a better idea of how it works, book a demo with our team. We’ll give you a thorough walkthrough & answer any questions. https://gasengineersoftware.co.uk/gas-engineer-software-demo/ QUESTIONS? Contact our customer support team at support@gasengineersoftware.co.uk or 0207 129 7058

About

Proxix

Features
Read full description

Proxix is an all-in-one job management platform that connects customers, professionals, and administrators in one seamless system. Whether someone needs a quick service or wants to offer professional skills, Proxix makes it easy to manage, track, and complete jobs with speed and accuracy. Key Features Two-sided platform Customers can post jobs, and professionals can accept and complete them. Smart job pricing Administrators review job requests and assign fair and transparent prices. Job assignment Administrators can assign the right professional to each task based on skills and availability. Job reports and approvals Professionals submit completion reports, which administrators review and approve. In-app chat system Built-in chat for customers, professionals, and administrators. Supports project-based messaging and direct one-to-one communication. Invoice management Administrators can generate, manage, and share invoices for completed tasks. Efficient workflow The system ensures transparency, accountability, and smooth coordination from job creation to completion. With Proxix, job management becomes simpler, faster, and more organized. Post, assign, approve, chat, and get things done all from one secure and easy-to-use application.

Screenshots

Gas Engineer Software4 screens
Proxix4 screens

Verdict

The call

The clearest difference is in-app purchases: Proxix at none against Gas Engineer Software's 1. Gas Engineer Software's advantage is update cadence (weekly vs fortnightly). On price, ads, device support and iOS requirement there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Gas Engineer Software sells 1 one-off in-app purchase. Proxix asks for nothing beyond the download.

UpkeepUpdate frequency

Gas Engineer Software ships an update weekly, Proxix fortnightly. The most recent releases landed on October 17, 2026 and September 9, 2026 respectively.

Scorecard2 real differences · 6 level
Gas Engineer Software versus Proxix: the parameters behind the verdict, then further details
ParameterGas Engineer SoftwareProxix
PriceFreeFree
Positive reviews84.6% of reviews—
Update frequencyWeekly — betterFortnightly
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.0 — better15.6
Further details — not scored
Size196 MB85 MB
Age rating4+4+
DeveloperSoftware Works for You LtdPROXIX ltd

Bugs and requests

Gas Engineer Software

Reported bugs

5 issues
  • Unexpected site shutdowns
  • Syncing is slow
  • Glitches in invoicing following a job report
  • App has become very slow due to latest update
  • Not usable at present time

Requested features

6 requests
  • Add multiple picture attachments
  • Select several photos at once
  • Flag jobs as finished
  • Oil forms for non-OFTEC registered companies
  • Calculate pipe work volume and purge volume
Show 1 more
  • Cheaper option for extra engineers

Proxix

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

Gas Engineer Software

One-time1
  • Single Engineer - 12 Months Subscription$19.00
None

Proxix

No in-app purchases

Questions

Is Gas Engineer Software free?
Gas Engineer Software is free to download, with in-app purchases available.
Is Proxix free?
Proxix is free to download, with no in-app purchases.
Do Gas Engineer Software or Proxix have ads?
Neither Gas Engineer Software nor Proxix shows ads.
Which is updated more often, Gas Engineer Software or Proxix?
Gas Engineer Software ships an update weekly, and Proxix fortnightly. Most recently, Gas Engineer Software was updated on October 17, 2026 and Proxix on September 9, 2026.

Other comparisons