# GB Gas Ventilation Calculator — user reviews

> 4 indexed App Store user reviews of GB Gas Ventilation Calculator by GB-GAS.CO.UK.

- Source: https://appshunter.io/ios/app/gb-gas-ventilation-calculator/id426220160/reviews
- App overview in markdown: https://appshunter.io/ios/app/gb-gas-ventilation-calculator/id426220160.md

## Most critical reviews (4 lowest-rated)

### 1/5 — GB ventilation calculator

*2012-10-17*

Yes it will not return from multiple room screen, I'm not very impressed not with the money, can I have mine back please

### 1/5 — Rubbish

*2012-05-27*

Did not work when I bought it Still does not work after First update

### 1/5 — Not that good!

*2011-06-07*

I'm abit confused the app won't return from multiple room screen?? And won't let me input anything! Am I missing something?

### 2/5 — Multiple rooms

*2016-12-12*

What's going on with multiple rooms it won't do anything  I cannot enter anything. This was the sole purpose for me buying this app and it does Nothing ????? I have been robbed

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-09-09.*