Lüftungstool vs BrennerCalc
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Lüftungstool
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Diverse Berechnungstool für Lüftungskanäle und Lüftungsrohre. Eingabemöglichkeiten und Funktionen siehe Screenshots. Eingabe-/ Auswahlmöglichkeiten: • Lüftungsrohr von 80 bis 1250 mm • v von 0,5 bis 20 m/s • ϑ von 0 bis 60 °C • φ von 1 bis 100 %
BrennerCalc
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BrennerCalc is a compact calculation tool for heating, HVAC and service technicians. The app focuses on fast calculations without accounts, advertising or unnecessary distractions. Features: - Oil burner: account for nozzle size and pump pressure and calculate oil flow and output - Reverse calculation: convert desired output into required nozzle size - Gas: convert volume flow and heating value into burner input/output - Hydronics: calculate required water flow from heat output and temperature difference - Results in l/h, l/min, m³/h and kW - German and English - Works offline BrennerCalc Pro permanently unlocks the additional gas and hydronic calculators with a one-time in-app purchase. Important: BrennerCalc is a calculation aid for trained professionals. Manufacturer specifications, applicable standards, commissioning measurements and combustion analysis always take precedence. EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is price: BrennerCalc at Free against Lüftungstool's $2.99. Lüftungstool's advantage is in-app purchases (none vs 1) and iOS requirement (15.2 vs 17.0). On ads and device support 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
BrennerCalc is free to download; Lüftungstool costs $2.99 up front. BrennerCalc sells 1 one-off in-app purchase. Lüftungstool asks for nothing beyond the download.
| Parameter | Lüftungstool | BrennerCalc |
|---|---|---|
| Price | $2.99 | Free — better |
| Update frequency | Every 3 weeks | — |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.2 — better | 17.0 |
| Further details — not scored | ||
| Size | 6 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Burak Doelek | Piotr Kaminski |
In-app purchases
Lüftungstool
No in-app purchases
BrennerCalc
- BrennerCalc Pro$3.99
