Comparison

Unit Converter Engineering Pro vs Engineer Pro Toolkit

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

Engineer Pro Toolkit

Features
Read full description

Engineering Calculator Pro is a complete professional toolkit designed for engineers, students, contractors, and technical professionals. This powerful app includes 60+ advanced engineering calculators across: Civil Engineering Calculators (29 Tools) • Cantilever Beam (All Load Variations) • Beam Slope & Deflection • Pipeline Flow Rate • Flexible Pavement Structural Number • Highway Vertical & Horizontal Curves • Stopping Distance • Earthwork Volume • Concrete Slab & Footing Calculators • Concrete Volume (Rectangle, Circle, Triangle) • Wall Load & Floor Live Load • Cubic Yards & Unit Conversions • And much more… Perfect for site engineers, structural engineers, and transportation engineers. Electrical Engineering Calculators (18 Tools) • Cable Length from Sag & Span • Resonant Frequency • RC Time Constant • Capacitor Energy • Inductance & Coil Calculations • Microstrip Impedance • Power Factor • 3-Phase Power Calculator • Gear Ratio • mAh Power Consumption • Young’s Modulus • And more… Ideal for electrical engineers, electronics students, and technicians. Mechanical Engineering Calculators (12 Tools) • Hydraulic Cylinder Force • Lathe Machining Time • Screw Thread Shear Area • Ultimate Tensile Stress • Beam Maximum Deflection • Mohr’s Circle • Surface Roughness • Square Tube Calculations • And more… Designed for mechanical engineers and workshop professionals. Why Choose This App? • Clean and Professional Interface • Accurate Engineering Formulas • Easy Unit Input • Instant Results • Lightweight & Fast • Designed for Field Use • Perfect for Students & Professionals Save time on site, in the workshop, or in the classroom. In app purchase included : Lifetime Premium Privacy policy : https://privacypolicy50.wordpress.com/privacy-policy-subscription/ Terms and condition :https://privacypolicy50.wordpress.com/terms-and-condition/

Screenshots

Unit Converter Engineering Pro3 screens
Engineer Pro Toolkit4 screens

Verdict

The call

Unit Converter Engineering Pro and Engineer Pro Toolkit are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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 and Engineer Pro Toolkit sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ScorecardNo meaningful differences
Unit Converter Engineering Pro versus Engineer Pro Toolkit: the parameters behind the verdict, then further details
ParameterUnit Converter Engineering ProEngineer Pro Toolkit
PriceFreeFree
Rating5.0 (1 ratings) — better
Number of ratings1 — better
Update frequencyWeekly
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.013.0
Further details — not scored
Size77 MB74 MB
Age rating4+4+
DeveloperKaiguri TechShital Gorasiya

In-app purchases

2 purchases

Unit Converter Engineering Pro

Subscriptions2
  • 3-Day Trial3 Days trial$5.997 Days
  • Yearly Plan$19.991 Year
1 purchases

Engineer Pro Toolkit

One-time1
  • Lifetime Purchase$12.99

Questions

Is Unit Converter Engineering Pro free?
Unit Converter Engineering Pro is free to download, with in-app purchases available.
Is Engineer Pro Toolkit free?
Engineer Pro Toolkit is free to download, with in-app purchases available.
Do Unit Converter Engineering Pro or Engineer Pro Toolkit have ads?
Neither Unit Converter Engineering Pro nor Engineer Pro Toolkit shows ads.

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