Lüftungstool vs HydroCalc SHK
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 %
HydroCalc SHK
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HydroCalc is a compact calculation aid for heating, HVAC and service technicians. Features: - Calculate heat output, flow or temperature difference from the other two values - Show flow in l/h, l/min and m³/h - Convert bar, kPa, mbar, mH₂O and psi - German and English - Works offline HydroCalc Pro permanently unlocks additional hydronic calculators with a one-time In-App Purchase: - Flow velocity from flow and inside diameter - Required inside diameter from flow and target velocity - Kv value from flow and differential pressure - Differential pressure from flow and Kv Important: HydroCalc is a calculation aid for trained professionals. Manufacturer data, applicable standards, system design and actual measurements always take precedence. EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is price: HydroCalc SHK 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
HydroCalc SHK is free to download; Lüftungstool costs $2.99 up front. HydroCalc SHK sells 1 one-off in-app purchase. Lüftungstool asks for nothing beyond the download.
| Parameter | Lüftungstool | HydroCalc SHK |
|---|---|---|
| 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
HydroCalc SHK
- HydroCalc Pro$3.99
Questions
Is Lüftungstool free?
Is HydroCalc SHK free?
Do Lüftungstool or HydroCalc SHK have ads?
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