GB Gas Purging Calculator vs GasCalc Pro
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
GB Gas Purging Calculator
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Work out gas purging volumes. under IGE/UP1b Domestic installers can work on pipes up to and including 35mm or 1 1/4" and meters up to 16 m3/hr volume. Calculations are required, well not anymore..... select the type of meter, input the lengths of pipe that have or will be installed in the property press calculate It is so simple no more tables or decimal points to get wrong. It even tells you what type of purge procedure should be used. Now includes domestic sized PE Pipes
GasCalc Pro
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Master complex gas calculations with ease! Gas Flow Calc is the ultimate all-in-one app for engineers, technicians, and professionals who need precise and fast results for gas flow systems. Whether in the office or on-site โ our app provides all the essential tools directly on your iPhone. Main features: โข Comprehensive calculation modules: โข Gas flow calculator: Determine flow rate, velocity, and more. โข Pipe diameter calculator: Find the optimal pipe size. โข Design pressure calculator: Determine safety-relevant system pressures. โข Cost estimator: Calculate operating costs and compare scenarios. โข Fuel comparison: Analyze the efficiency and costs of different fuels. โข Integrated unit converter: Effortlessly convert between units of pressure, length, mass, temperature, volume, and flow โ save time and avoid mistakes. โข Intuitive & modern interface: A clear, user-friendly design enables quick onboarding and efficient work. Results are displayed clearly and comprehensibly. โข Multilingual support: Fully localized in German, English, Spanish, French, Italian, and Turkish. Gas Flow Calc was developed to simplify your daily work and boost your productivity. Download the app today and experience the future of gas calculations!
Screenshots
Verdict
The clearest difference is price: GasCalc Pro at Free against GB Gas Purging Calculator's $4.99. GB Gas Purging Calculator's advantage is iOS requirement (16.6 vs 26.5). On update cadence, ads, in-app purchases and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
GasCalc Pro is free to download; GB Gas Purging Calculator costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.
GB Gas Purging Calculator ships an update every 12 months, GasCalc Pro every 7 months. The most recent releases landed on November 1, 2026 and October 25, 2026 respectively.
| Parameter | GB Gas Purging Calculator | GasCalc Pro |
|---|---|---|
| Price | $4.99 | Free โ better |
| Update frequency | Every 12 months | Every 7 months โ better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 16.6 โ better | 26.5 |
| Further details โ not scored | ||
| Size | 1 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | GB-GAS.CO.UK | Nergiz Calhan |
In-app purchases
GB Gas Purging Calculator
No in-app purchases
GasCalc Pro
No in-app purchases
Questions
Is GB Gas Purging Calculator free?
Is GasCalc Pro free?
Do GB Gas Purging Calculator or GasCalc Pro have ads?
Which is updated more often, GB Gas Purging Calculator or GasCalc Pro?
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