HydroCalc Basic vs HydroCalc
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
HydroCalc Basic
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Pipe Headloss Calculator provides engineers, designers, and students with powerful tools for pipeline hydraulic analysis β without the hassle of complex manual computations. Whether youβre sizing new pipelines or analyzing existing systems, the app delivers rapid, accurate results. Key Features Automatic Unit Conversion β Seamlessly switch between US Customary and SI units for length, flow, and diameter. Pipeline-Specific Inputs β Enter pipeline length, flow rate, internal diameter, and pipe material. Powerful Inverse Calculator β Set a target head loss and calculate the required diameter, flow, or length. Instantly view flow velocity, friction head loss, fitting losses, and full system curve data. With a clean interface and fast performance, this app is designed to save time and improve accuracy in hydraulic calculations β from the classroom to the field.
HydroCalc
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HydroCalc is a calculation aid for heating and HVAC technicians. Calculate flow from heat output and temperature difference alongside the existing hydraulic calculators. CIRCUIT PROJECTS Create named projects and group circuits by room, category or floor. Record heat output, temperature difference and input sources for each circuit. View total heat output and required flow together. BASELINE AND COMPARISON Capture a fixed baseline and edit later proposals independently. Review differences in totals and share a calculation worksheet with inputs, sources and comparison. German and English. Local projects and calculations work offline. Existing purchase unlocks remain available. Professional calculation aid: manufacturer data, applicable rules, system design and actual measurements take precedence. Check results against the real installation. EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is update cadence: HydroCalc Basic at every 11 days against HydroCalc's every 2 months. HydroCalc Basic also leads on iOS requirement (15.1 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. HydroCalc Basic sells 1 one-off in-app purchase and HydroCalc sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
HydroCalc Basic ships an update every 11 days, HydroCalc every 2 months. The most recent releases landed on October 21, 2026 and October 25, 2026 respectively.
| Parameter | HydroCalc Basic | HydroCalc |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 11 days β better | Every 2 months |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad, iPod β better | iPhone, iPad |
| Requires iOS | 15.1 β better | 17.0 |
| Further details β not scored | ||
| Size | 35 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Transparent Blue Water LLC | Piotr Kaminski |
In-app purchases
HydroCalc Basic
- Premium - Flow Units & Ad-Free$1.99
HydroCalc
- HydroCalc Pro$3.99
Questions
Is HydroCalc Basic free?
Is HydroCalc free?
Do HydroCalc Basic or HydroCalc have ads?
Which is updated more often, HydroCalc Basic or HydroCalc?
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