Hydro Solar HP vs HydroCalc Basic
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Hydro Solar HP
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Provide convenient and quick remote control scheme
HydroCalc Basic
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Pipe Headloss Calculator provides engineers, designers, and students with powerful tools for pipeline hydraulic analysis — without the hassle of complex manual computations. Whether you’re sizing new pipelines or analyzing existing systems, the app delivers rapid, accurate results. Key Features Automatic Unit Conversion – Seamlessly switch between US Customary and SI units for length, flow, and diameter. Pipeline-Specific Inputs – Enter pipeline length, flow rate, internal diameter, and pipe material. Powerful Inverse Calculator – 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 — from the classroom to the field.
Screenshots
Verdict
The clearest difference is in-app purchases: Hydro Solar HP at none against HydroCalc Basic's 1. Hydro Solar HP also leads on iOS requirement (12.2 vs 15.1). HydroCalc Basic's advantage is update cadence (every 11 days vs every 2 months). On price, 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
Both are free to download. HydroCalc Basic sells 1 one-off in-app purchase. Hydro Solar HP asks for nothing beyond the download.
Hydro Solar HP ships an update every 2 months, HydroCalc Basic every 11 days. The most recent releases landed on October 27, 2026 and October 29, 2026 respectively.
| Parameter | Hydro Solar HP | HydroCalc Basic |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months | Every 11 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 12.2 — better | 15.1 |
| Further details — not scored | ||
| Size | 29 MB | 35 MB |
| Age rating | 4+ | 4+ |
| Developer | Aqua Solanor Inc | Transparent Blue Water LLC |
In-app purchases
Hydro Solar HP
No in-app purchases
HydroCalc Basic
- Pro Pack$5.99
Questions
Is Hydro Solar HP free?
Is HydroCalc Basic free?
Do Hydro Solar HP or HydroCalc Basic have ads?
Which is updated more often, Hydro Solar HP or HydroCalc Basic?
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