Gas Engineer Software vs Tradify
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Create industry certificates
- Issue quotes and invoices
- Schedule jobs with calendar
- Manage team and customers
- Automated service reminders
- Offline access
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Run your heating & plumbing business in one place and keep the diary full. Gas Engineer Software (GES) is the complete job management system built specifically for UK heating and plumbing businesses. Certificates, jobs, quotes, invoices, payments, on-site tools and automatic service reminders: One app, for every job, on your phone or back at the office. More than 7,000 UK businesses trust GES to run their jobs, backed by 14 years in the market. More than a basic gas certificate app, GES is a full system that runs the business issuing them, then turns this year's certificate into next year's booked work. GROW YOUR BUSINESS • Automatic service reminders keep loyal customers coming back year after year and book the repeat work for you • Businesses on GES see an average 37% revenue increase in their first year • Get paid faster with QR codes and payment links included with your invoices (powered by Crezco), with automatic chasing for late payers LOSE THE PAPERWORK • Quickly generate estimates, quotes, and invoices with templates or an AI draft, complete with statuses and payment tracking • Convert accepted quotes into invoices in one tap • UK gas, oil, and heat pump certificates, signed on-site and sent • Send appointment confirmations to customers in one click • Generate customer statements in seconds • GES saves each person on the team 6.6+ hours a week BUILT FOR HEATING & PLUMBING • The entire GES workflow is designed around heating & plumbing jobs, not bolted onto a generic trades system • Manage your jobs, your diary, and your team in one place. GES works perfectly for sole traders and larger operations that need to connect office staff with engineers • Sync payments, customers, and invoices to Xero, QuickBooks, or Sage • Pull readings from your Anton, Kane or TPI flue gas analyser straight into a certificate • Reference 2,300+ boiler manual PDFs in the app, along with AI Assist to get the answers you need faster • In-app calculators for gas rating, pipe sizing, installation volume, and tightness testing • UK-built, with UK support that actually knows heating via phone, chat, and email • Full offline access on the mobile apps, syncing when next online TRUSTED WITH WHAT MATTERS Your business data, certificates and property records are important, and the engine of your repeat work. GES has 14 years of experience keeping everything safe & adhering to data security best practices. EVERY CERTIFICATE, BUILT IN Gas: Homeowner Gas Safety Record · Landlord Gas Safety Record (CP12) · Gas Warning Notice · Gas Service Record · Gas Breakdown Record · Installation & Commissioning Checklist · Non-Domestic Gas Safety Record · Leisure Industry Gas Safety Record · LPG Gas Safety Record · Non-Domestic Testing & Purging Record · Non-Domestic Catering Record. Oil: CD/10 Installation Completion · CD/11 Servicing & Commissioning · CD/12 Landlord Oil Installation Check · CD/14 Oil Warning & Advice Notice · TI/133D Oil Storage & Tank Risk Report. Other: Air Source Heat Pump Service Record, Legionella Risk Assessment, Minor Electrical Works Record, Unvented Hot Water Cylinder EVERYTHING ELSE IN ONE PLACE Job sheets · quoting & invoicing · job scheduling with calendar · team management and roles · customer database (CRM) · automatic boiler service reminders · email and SMS reminders · web portal syncing · full offline access · gas rating, pipe sizing & installation volume calculators. 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
Tradify
Streamline your trade business operations with this comprehensive tool for managing quotes, scheduling jobs, and sending invoices. Save time on administrative tasks and gain better control over your business finances and projects. Ideal for small to medium-sized trade businesses.
- Job tracking and scheduling
- Quoting and invoicing
- Timesheets and task management
- Subcontractor management
- Job costing reports
- Accounting software sync
- Online payment processing
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Join thousands of contractors & tradespeople using Tradify to manage their quoting, scheduling, invoicing, and other business admin. Simple & easy to use, Tradify’s job management software gives you complete control of your business. Get organized and save yourself hundreds of admin hours with Tradify. Perfect for businesses between 1 and 20 people, only Tradify gives you access to all its features on any device, anytime, anywhere. THE COMPLETE TOOLBOX Job tracking & scheduling Quoting Invoicing Timesheets & task management Subcontractor management Job notes (photos & video) Job costing reports Syncs with Accounting software: QuickBooks & Xero Sync new work enquiries from web/email Automated follow ups on unactioned quotes & invoices Take credit card payments online or onsite Custom kits for frequent orders, quotes and invoices Connects with your Google Calendar on mobile Free setup & training Helpful customer support from real people No setup fee, cancel anytime. WHO USES TRADIFY? Electricians Plumbers Builders Handymen HVAC Technicians Painters Roofers Glaziers Marine Mechanics Locksmiths Landscape Designers Gardeners/Lawn Maintenance Security Specialists Pest Control + Many More WHAT TRADESPEOPLE ARE SAYING… “It’s definitely making me money. When I send out an invoice or quote, they look professional. I don’t get phone calls anymore from my regular clients about my invoices – and they’re paid within a couple of days.” Lee Fisher, Lc Fisher Electrical, Nottingham, United Kingdom. "Tradify has given me a life again, with time out of the office at night. I tried other software and was disappointed until I switched to Tradify." Gary Grey, A Grade Electricians, Victoria “It is an amazing tool to save me time, money, and run a more efficient business...less time at my desk, more time for billable time on the jobsite and more time for ME!" Doug Harrison, Big Bass Carpentry, Grand Bend, Canada. GET IN TOUCH Have questions or feedback? Contact us anytime at support@tradifyhq.com or follow us @tradifyhq. READ OUR TERMS AND CONDITIONS HERE: https://www.tradifyhq.com/terms READ OUR PRIVACY POLICY HERE: Our terms and conditions and privacy policy are available on our website at: https://www.tradifyhq.com/privacy
Screenshots
Verdict
The clearest difference is in-app purchases: Tradify at none against Gas Engineer Software's 1. Gas Engineer Software's advantage is review sentiment (85% vs 62%). On price, update cadence, ads and monetization model 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
Both are free to download. Gas Engineer Software sells 1 one-off in-app purchase. Tradify asks for nothing beyond the download.
Both ship on a similar rhythm, roughly weekly. The most recent releases landed on October 22, 2026 and October 24, 2026 respectively.
| Parameter | Gas Engineer Software | Tradify |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.8 (179 ratings) — better |
| Positive reviews | 84.8% of reviews — better | 62.2% of reviews |
| Number of ratings | — | 179 — better |
| Update frequency | Weekly | Weekly |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 14.0 — better |
| Further details — not scored | ||
| Size | 194 MB | 102 MB |
| Age rating | 4+ | 4+ |
| Developer | Software Works for You Ltd | Tradify Limited |
Customer experience
Gas Engineer Software
Tradify
User reviews
Gas Engineer Software
From App Store reviewsWhat we love
- 👍 Easy to use
- ⏱️ Time saver
- 💼 Professional appearance
- 📈 Scales with business growth
- 🛠️ Reliable day-to-day
Room to improve
- 💰 Price keeps increasing
- 📉 No real improvement seen
- 😠 Greed perceived
- ⚠️ Unexpected maintenance
- ✍️ Small font size
Tradify
From 179 App Store ratingsWhat we love
- 🚀 Streamlines business operations
- 👍 Helps maintain professionalism
- 🚀 Organizes jobs and invoices
- 👍 Integrates well with accounting software
- 🚀 Saves time on admin tasks
Room to improve
- 🐛 Notification issues and poor user experience
- 🐛 Slow performance in certain regions
- 🐛 Occasional app crashes and glitches
- 🔋 Requires constant internet connectivity
- 💰 Can get expensive with multiple users
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
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- Cheaper option for extra engineers
Tradify
Reported bugs
4 issues- Invoices incorrectly marked as paid
- Account deletion and cancellation issues
- Unreliable email and notification delivery
- Syncing problems between mobile and web apps
Requested features
5 requests- Offline mode functionality
- Better photo management and viewing
- Integration with calendars and CRM systems
- Customizable reporting and analytics
- Improved job scheduling and dispatch features
In-app purchases
Gas Engineer Software
- Single Engineer - 12 Months Subscription$19.00
Tradify
No in-app purchases
Questions
Is Gas Engineer Software free?
Is Tradify free?
Do Gas Engineer Software or Tradify have ads?
Which is updated more often, Gas Engineer Software or Tradify?
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