Unit Converter Engineering Pro vs PipeQ
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Over 100 units in 35+ categories
- Scientific notation support
- 9-digit decimal precision
- SI, NIST, ISO compliant
- Offline functionality
- Specialized units included
Read full descriptionHide 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/
PipeQ
Read full descriptionHide full description
PipeQ provides engineering calculations for pipe flow analysis, pressure loss, flow measurement, valve sizing, and fluid system calculations. Designed for piping engineers, mechanical engineers, process engineers, HVAC engineers, technicians, and engineering students. Calculators Included Pressure Drop Calculators • Pressure Drop Calculator • Air Pressure Drop Calculator • Natural Gas Calculator • Gas Pressure Drop Calculator • Gas Offtake Calculator • Pump Performance Calculator Calculators for Pressure Differential Flow Devices • Orifice Plate Calculator • Venturi Tube Calculator • Nozzle Calculator • Prandtl Probe Calculator Quick Engineering Calculators • Pipe Diameter Calculator • Reynolds Number Calculator • Resistance Factor (K) Calculator • Control Valve Calculator • Gas Control Valve Calculator • LPG Calculator • Pipe Wall Thickness Calculator • Thermal Energy Calculator Features • Metric and Imperial units Switch between different engineering unit systems. • Built-in databases Select standard pipes, fluids, and pipe materials from built-in lists. • Gauge and absolute pressure Use the pressure reference required for your calculations. • Excel and PDF export Export calculation results for documentation and sharing. • Save and continue later Save calculations and continue your work anytime. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is device support: Unit Converter Engineering Pro at 3 against PipeQ's 1. Unit Converter Engineering Pro also leads on iOS requirement (13.0 vs 18.6). On price, ads and in-app purchases 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. Unit Converter Engineering Pro sells 2 in-app purchases, starting at $5.99 per 7 days and PipeQ sells 3 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.
| Parameter | Unit Converter Engineering Pro | PipeQ |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Weekly | — |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 13.0 — better | 18.6 |
| Further details — not scored | ||
| Size | 77 MB | 20 MB |
| Age rating | 4+ | 4+ |
| Developer | Kaiguri Tech | Shenzhen Seize Times E-Commerce Co., Ltd. |
In-app purchases
Unit Converter Engineering Pro
- 3-Day Trial3 Days trial$5.997 Days
- Yearly Plan$19.991 Year
PipeQ
- PipeQ Pro Monthly$1.991 Month
- PipeQ Pro Yearly$19.991 Year
- PipeQ Pro Lifetime$29.99
