GES Gas Pipe Sizing Calculator is a free utility for UK gas engineers to calculate pipe sizing for natural gas and LPG on iOS and Android.
The App DNA
What makes this app unique?
The tool removes the friction of referencing physical charts during site visits, allowing engineers to perform calculations in front of customers without manual paperwork.
For UK-based Gas Safe registered engineers, heating and plumbing professionals, and apprentices studying for ACS qualifications.
What does it look like?
Key features
Calculates pipe size requirements for natural gas and LPG based on user-inputted pipe details and gas rate.
Allows users to email pipe sizing results directly from the app.
Functions as a standalone tool without requiring user registration or account creation.
How much does it cost?
The app is a free, standalone utility designed to drive brand awareness for the developer's paid job-management software.
Velocity
Maintenance developmentperformanceopaqueShow more...
With two releases over the last 75 days, the app maintains a maintenance-level cadence of approximately one release every 9 weeks. Development is currently focused on stability and performance improvements rather than new feature expansion. The latest release continues this trend of minor technical maintenance. There is no evidence of live operations or significant feature updates in the recent history.
Who built it?
Software Works for You
3 apps tracked · Business
Gas Engineer Software - GES
Gas Engineer Software - GESUser Sentiment
What do users think recently?
How are ratings & reviews evolving?
Not enough recent reviews to extract reliable themes yet.
Read the full review analysisCompetition
Competitive landscape for GES Gas Pipe Sizing Calculator
How's the Business market?
GES Gas Pipe Sizing Calculator occupies a niche utility space for UK gas engineers, currently maintained as a free, standalone tool. The lack of recent major updates suggests a stable, low-maintenance positioning focused on brand awareness rather than aggressive market share growth.
Read the market outlookThe rivals identified
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Access the full report for freeThe Analyst's Read
Key takeaways for GES Gas Pipe Sizing Calculator
Where is it heading?
The market for specialized engineering utilities is consolidating around stable, reliable tools that integrate into broader job-management workflows. GES Gas Pipe Sizing Calculator remains well-positioned as a free entry point, but the developer must eventually bridge the gap to their paid software to realize the full value of this user base.
- The maintenance-only release cadence indicates the developer views the tool as a stable brand asset rather than a growth-focused product.
- The latest release enhanced email sharing, showing that the developer continues to support the core utility workflow for professional users.
The SWOT
- Standalone utility status removes registration friction for new users
- Professional, customer-facing design replaces manual paperwork in customer homes
- Direct integration with job-management software could convert utility users to paid subscribers
Next best moves
Integrate deep-links to the developer's job-management suite because the utility has high professional engagement → increase conversion to paid software
The counter-intuitive read
The tool's lack of feature updates is a strength…
Read the full takeSince the last report: The developer has shifted from a passive maintenance posture to an active conversion strategy, identifying the need to link the free utility to their paid job-management software.
Bottom line
Maintaining the tool as a frictionless, free utility defends the developer's brand presence in the UK gas engineering market, but the lack of feature expansion risks losing relevance to more integrated digital competitors.
Unlock 1 critical friction, 1 market threat and the analyst’s take.
Access the full report for freeFAQ
Is GES Gas Pipe Sizing Calculator free to use?
Does this app work for LPG installations?
Can I use this app for my ACS revision?
Sources
- [1] App Store, source
Report last updated