Comparison

Unit Converter Engineering Pro vs Pipe Flow Calculations

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

Head to head
About

Unit Converter Engineering Pro

This app provides precise unit conversions for engineers, scientists, and students. It supports over 100 units across 35 categories, including scientific notation and 9-digit decimal precision. The tool works offline and adheres to SI, NIST, and ISO standards.

Highlights
  • Over 100 units in 35+ categories
  • Scientific notation support
  • 9-digit decimal precision
  • SI, NIST, ISO compliant
  • Offline functionality
  • Specialized units included
Features
Read full description

Unit Converter Engineering Pro – The ultimate tool for engineers, scientists, and students who need precise and fast unit conversions. Easily convert between over 100 units across more than 35 categories commonly used in engineering, physics, chemistry, and mathematics. Perfect for professionals, researchers, and students who want a reliable, professional-grade converter at their fingertips. Included categories: • Acceleration • Angle • Area • Specific Heat • Electric Charge • Heat Transfer Coefficient • Length • Concentration • Thermal Conductivity • Physical Constants • Density • Diffusivity • Energy • Heat Flux • Force • Illuminance • Luminance • Mass • Moment / Torque • Power • ppm / ppb / ppt / % • SI Prefix • Pressure • Radiation – Activity • Radiation – Dose • Radiation – Exposure • Radiation – Equivalent Dose • Time • Volume • Velocity / Speed • Viscosity • Volume Flow Rate • Voltage / Electric Potential • Frequency • Temperature Key Features: • Supports scientific notation for extreme precision • Fully compliant with SI, NIST, and ISO standards • 9-digit decimal precision for engineering-grade accuracy • Fast and intuitive interface • Works offline – no internet required • Includes rare and specialized units often missing from other converters • Made by engineers, for engineers Simplify your work, save time, and ensure accuracy with Unit Converter Engineering Pro - your professional unit conversion companion. EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Pipe Flow Calculations

Features
Read full description

Pipe Flow Calculations is a professional engineering app designed for accurate and fast calculation of fluid flow in pipes. It helps engineers, technicians, and students analyze flow behavior, pressure losses, and key fluid parameters in real-world systems. Whether you are designing a pipeline, checking an existing system, or learning fluid mechanics, this app provides reliable results with an intuitive interface. Key Features - Pressure drop calculation - Pipe diameter and flow rate calculations - Flow velocity and Reynolds number - Friction factor and fluid properties - Support for multiple calculation scenarios - Metric and Imperial unit systems - Accurate engineering formulas and methods Designed for Real Engineering Use This app is not a basic calculator. It is built for real engineering workflows: - Analyze pipe systems and optimize performance - Compare different calculation scenarios - Work with realistic fluid properties - Get instant results for quick decision making Useful for Students and Professionals

Screenshots

Unit Converter Engineering Pro3 screens
Pipe Flow Calculations3 screens

Verdict

The call

The clearest difference is in-app purchases: Pipe Flow Calculations at none against Unit Converter Engineering Pro's 2. On price, ads, device support and iOS requirement 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Unit Converter Engineering Pro sells 2 in-app purchases, starting at $5.99 per 7 days. Pipe Flow Calculations asks for nothing beyond the download.

Scorecard1 real difference · 8 level
Unit Converter Engineering Pro versus Pipe Flow Calculations: the parameters behind the verdict, then further details
ParameterUnit Converter Engineering ProPipe Flow Calculations
PriceFreeFree
Rating5.0 (1 ratings) — better
Number of ratings1 — better
Update frequencyWeekly
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.013.0
Further details — not scored
Size77 MB17 MB
Age rating4+4+
DeveloperKaiguri TechApplication Services LLC

In-app purchases

2 purchases

Unit Converter Engineering Pro

Subscriptions2
  • 3-Day Trial3 Days trial$5.997 Days
  • Yearly Plan$19.991 Year
None

Pipe Flow Calculations

No in-app purchases

Questions

Is Unit Converter Engineering Pro free?
Unit Converter Engineering Pro is free to download, with in-app purchases available.
Is Pipe Flow Calculations free?
Pipe Flow Calculations is free to download, with no in-app purchases.
Do Unit Converter Engineering Pro or Pipe Flow Calculations have ads?
Neither Unit Converter Engineering Pro nor Pipe Flow Calculations shows ads.

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