GB Gas Ventilation Calculator Downloads & RevenueGB Gas Ventilation Calculator · App Store
GB Gas Ventilation Calculator is #15 in Business Paid in United Kingdom and charting in 1 of 30 countries we track.
Updated 11 Nov 2026 · rankings refresh through the day
DeveloperGB-GAS.CO.UK
CategoryBusiness
Price3.99 GBP
Released
Rating★ 0.0 (0)
Version6
Age rating4+
First seen by us
25 Sep 2026
GB Gas Ventilation Calculator update history & changes
Last change · 3 events since 25 Mar 2011Full timeline ↓Full timeline · 3 events
- 🆕GB Gas Ventilation Calculator first spotted by AppInsider#10 in Top Paid · Business · United Kingdom
- 📦GB Gas Ventilation Calculator version 6Updates to the user interface, ventilation requirements have not changed.
- 🆕GB Gas Ventilation Calculator 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
0.0 ★
0 ratings
Measured
Best rank now
#15
Measured
GB Gas Ventilation Calculator on the App Store
App details
App ID
426220160
Publisher
George A Brown
On the store since
Mar 2011
15 years on the store
Minimum OS
iOS 26.0+
iPhone 11 and later
Devices
iPhone · iPad
Universal purchase
Content rating
4+
Size
3 MB
Also listed in
Utilities
Where GB Gas Ventilation 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 30 countries.
| Country | Charts | Rank |
|---|---|---|
| BusinessPaid | #15 |
Apps near GB Gas Ventilation Calculator on the chart
Business Paid, around #15.
Ratings
App Store, worldwide.
Rating
0.0 ★
0 ratings
Measured
Ratings
0
Measured
About GB Gas Ventilation Calculator
A Gas Ventilation calculator for working out ventilation requirements for gas appliances. Open flued, Room sealed, Flueless appliances.
This gives you the option of working out ventilation when more than one appliance is fitted in a room.
For existing and new ventilators you can calculate the free air area of the vent to work out if its suitable for the appliance(s) it is feeding.
No more formulas and calculations to remember, read the heat input from the appliance data badge and press calculate.
This gives you the option of working out ventilation when more than one appliance is fitted in a room.
For existing and new ventilators you can calculate the free air area of the vent to work out if its suitable for the appliance(s) it is feeding.
No more formulas and calculations to remember, read the heat input from the appliance data badge and press calculate.
Latest updates
6
Updates to the user interface, ventilation requirements have not changed.