Comparison

KAN Quick Surface vs GasCalc Pro

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

KAN Quick Surface

Features
Read full description

KAN Quick Surface mobile app supports you in everyday work, speeding up significantly the process of surface system installation. App features: · Enables selection of floor, wall and ceiling installations. · Immediately controls the system operation parameters. · Enables assessment of heating and cooling power of individual installation. · Precise results - calculates the flows through loops required for hydraulic adjustment. · Enables selection of pipe spacing in a simple way. · Always available, wherever you are.

About

GasCalc Pro

Features
Read full description

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 – our app provides all the essential tools directly on your iPhone. Main features: • Comprehensive calculation modules: • Gas flow calculator: Determine flow rate, velocity, and more. • Pipe diameter calculator: Find the optimal pipe size. • Design pressure calculator: Determine safety-relevant system pressures. • Cost estimator: Calculate operating costs and compare scenarios. • Fuel comparison: Analyze the efficiency and costs of different fuels. • Integrated unit converter: Effortlessly convert between units of pressure, length, mass, temperature, volume, and flow – save time and avoid mistakes. • Intuitive & modern interface: A clear, user-friendly design enables quick onboarding and efficient work. Results are displayed clearly and comprehensibly. • 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

KAN Quick Surface2 screens
GasCalc Pro4 screens

Verdict

The call

The clearest difference is iOS requirement: KAN Quick Surface at 11.0 against GasCalc Pro's 26.5. On price, update cadence, ads and in-app purchases there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

KAN Quick Surface ships an update every 11 months, GasCalc Pro every 7 months. The most recent releases landed on September 9, 2026 and September 22, 2026 respectively.

Scorecard1 real difference · 5 level
KAN Quick Surface versus GasCalc Pro: the parameters behind the verdict, then further details
ParameterKAN Quick SurfaceGasCalc Pro
PriceFreeFree
Update frequencyEvery 11 monthsEvery 7 months — better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS11.0 — better26.5
Further details — not scored
Size29 MB3 MB
Age rating4+4+
DeveloperKAN-therm GmbHNergiz Calhan

In-app purchases

None

KAN Quick Surface

No in-app purchases

None

GasCalc Pro

No in-app purchases

Questions

Is KAN Quick Surface free?
KAN Quick Surface is free to download, with no in-app purchases.
Is GasCalc Pro free?
GasCalc Pro is free to download, with no in-app purchases.
Do KAN Quick Surface or GasCalc Pro have ads?
Neither KAN Quick Surface nor GasCalc Pro shows ads.
Which is updated more often, KAN Quick Surface or GasCalc Pro?
KAN Quick Surface ships an update every 11 months, and GasCalc Pro every 7 months. Most recently, KAN Quick Surface was updated on September 9, 2026 and GasCalc Pro on September 22, 2026.

Other comparisons