UP/1B Calculator
UP/1B Calculator is #3 in Business Paid in United Kingdom and charting in 1 of 24 countries we track.
Updated 27 Sep 2026 · rankings refresh through the day
25 Sep 2026 Business PaidUP/1B Calculator at a glance
AI summary written from our chart and store data, 2026-09-27. It can be wrong: check the numbers above.
A specialized calculation and documentation tool for Gas Safe registered engineers to perform IGEM/UP/1B Edition 4 pipework tightness tests. The app ranks #3 in the UK Business Paid category, indicating strong niche demand among professionals despite a low total rating count of six.
Similar apps: Gas Safe Register, IGEM Calculator, ProCalc
UP/1B Calculator on the App Store
App details
Where UP/1B Calculator's downloads come from Modelled
Last 30 days: organic search, browsing the store, features and paid ads.
Where it ranks now
Every top chart it appears in across 24 countries.
| Country | Charts | Rank |
|---|---|---|
| United Kingdom | BusinessPaid | #3 |
| United Kingdom | All AppsPaid | #194 |
Apps near UP/1B Calculator on the chart
Business Paid, around #3.
Ratings
App Store, worldwide.
What users say about UP/1B Calculator
From recent reviews.
About UP/1B Calculator
The app guides you through every stage of the tightness test procedure:
• Installation Volume Test (IVt) — calculates the correct test pressure and acceptable pressure drop for the installation size
• Let-By Test — checks for meter regulator let-by
• Tightness Test — records pressure readings and determines pass or fail
• LDF Check — guides leak detection fluid testing of all disturbed joints
• Purge — calculates purge volume for safe gas release
• PDF Record — generates a professional gas tightness test record ready to save or share
Designed specifically for natural gas, LPG and LPG/Air in accordance with IGEM/UP/1B Edition 4.
All test records are saved to your account and sync across devices.
For use by Gas Safe registered engineers only.
