Comparison

HydroCalc Basic vs PlumbCalc Pro

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

Head to head
About

HydroCalc Basic

Features
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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 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 β€” from the classroom to the field.

About

PlumbCalc Pro

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PlumbCalc Pro is the essential pipe sizing and plumbing calculation tool for plumbers, engineers, and contractors. Perform code-compliant calculations for water supply, drainage, gas pipe, and more β€” all from your iPhone. 12 PROFESSIONAL CALCULATORS β€’ Water Supply Sizing β€” Size supply pipes using WSFU/Hunter's Curve per IPC Appendix E β€’ Drainage Pipe Sizing β€” Calculate drain pipe sizes from DFU values per IPC Table 710.1 β€’ Water Heater Sizing β€” Tank and tankless sizing with FHR method and BTU/kW calculations β€’ Gas Pipe Sizing β€” Size gas piping from BTU loads per IFGC Table 402.4 β€’ Friction Loss β€” Hazen-Williams pressure loss with velocity checks β€’ Drainage Slope β€” Calculate fall and verify minimum slope compliance β€’ Backflow Prevention β€” Size backflow assemblies per IPC 608 / UPC 603 β€’ Grease Trap Sizing β€” PDI-G101 and UPC seat method calculations β€’ Stormwater Drainage β€” Roof drain and leader sizing per IPC Chapter 11 β€’ Cost Estimator β€” Material and fitting cost estimates with custom pricing β€’ Code Comparison β€” Side-by-side IPC vs UPC results β€’ Fixture Reference β€” Complete WSFU and DFU lookup tables KEY FEATURES β€’ IPC and UPC code support β€’ Imperial and metric unit systems β€’ Voice input for fixture counting β€’ Save calculations by job name and address β€’ PDF report generation with code references β€’ Calculation history with search β€’ Home screen widget β€’ Siri shortcuts β€’ Offline β€” no internet required β€’ Designed for wet/gloved hands with large touch targets 3 calculators are free. Unlock all 12 with a monthly or yearly subscription. SUBSCRIPTION INFORMATION β€’ PlumbCalc Pro Monthly: $9.99/month β€’ PlumbCalc Pro Yearly: $59.99/year β€’ Payment will be charged to your Apple ID account at the confirmation of purchase β€’ Subscription automatically renews unless it is canceled at least 24 hours before the end of the current period β€’ Your account will be charged for renewal within 24 hours prior to the end of the current period β€’ You can manage and cancel your subscriptions by going to your account settings on the App Store after purchase Privacy Policy: https://elly2504.github.io/plumbcalc-legal/privacy-policy.html Terms of Use: https://elly2504.github.io/plumbcalc-legal/terms-of-use.html EULA: https://elly2504.github.io/plumbcalc-legal/eula.html

Screenshots

HydroCalc Basic4 screens

Verdict

The call

The clearest difference is device support: HydroCalc Basic at 3 against PlumbCalc Pro's β€”. HydroCalc Basic also leads on iOS requirement (15.1 vs 17.0). On price and in-app purchases 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

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. HydroCalc Basic sells 1 one-off in-app purchase and PlumbCalc Pro sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

Scorecard2 real differences Β· 4 level
HydroCalc Basic versus PlumbCalc Pro: the parameters behind the verdict, then further details
ParameterHydroCalc BasicPlumbCalc Pro
PriceFreeFree
Update frequencyEvery 11 daysβ€”
AdsNoβ€”
In-app purchasesYesYes
DevicesiPhone, iPad, iPod β€” betterβ€”
Requires iOS15.1 β€” better17.0
Further details β€” not scored
Size35 MB3 MB
Age rating4+4+
DeveloperTransparent Blue Water LLCYusuf Can Samiloglu

In-app purchases

1 purchases

HydroCalc Basic

One-time1
  • Premium - Flow Units & Ad-Free$1.99
2 purchases

PlumbCalc Pro

Subscriptions2
  • PlumbCalc Pro Monthly$9.991 Month
  • PlumbCalc Pro Yearly$99.991 Year

Questions

Is HydroCalc Basic free?
HydroCalc Basic is free to download, with in-app purchases available.
Is PlumbCalc Pro free?
PlumbCalc Pro is free to download, with in-app purchases available.

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