Comparison

Unit Converter Elite vs Unit Converter Engineering Pro

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

Head to head
About

Unit Converter Elite

Features
Read full description

Unit Converter, Angle, Area, Bits, Bytes, Density, Electric Current, Energy, Force, Fuel Consumption, Length, Mass, Power, Pressure, Speed, Temperature, Time, Volume 1. Angle 2. Area 3. Bits & Bytes 4. Density 5. Electric Current 6. Energy 7. Force 8.Fuel Consumption 9. Length 10. Mass 11. Power 12. Pressure 13. Speed 14. Temperature 15. Time 16. Volume

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/

Screenshots

Unit Converter Elite4 screens
Unit Converter Engineering Pro3 screens

Verdict

The call

The clearest difference is in-app purchases: Unit Converter Elite at none against Unit Converter Engineering Pro's 2. Unit Converter Elite also leads on iOS requirement (11.0 vs 13.0). Unit Converter Engineering Pro's advantage is ads (none vs shown) and update cadence (weekly vs every 53 months). On price 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

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. Unit Converter Elite asks for nothing beyond the download.

UpkeepUpdate frequency

Unit Converter Elite ships an update every 53 months, Unit Converter Engineering Pro weekly. The most recent releases landed on September 5, 2026 and September 15, 2026 respectively.

Scorecard4 real differences · 5 level
Unit Converter Elite versus Unit Converter Engineering Pro: the parameters behind the verdict, then further details
ParameterUnit Converter EliteUnit Converter Engineering Pro
PriceFreeFree
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyEvery 53 monthsWeekly — better
AdsYesNo — better
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS11.0 — better13.0
Further details — not scored
Size14 MB77 MB
Age rating4+4+
DeveloperChuk Fong NgKaiguri Tech

In-app purchases

None

Unit Converter Elite

No in-app purchases

2 purchases

Unit Converter Engineering Pro

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

Questions

Is Unit Converter Elite free?
Unit Converter Elite is free to download, with no in-app purchases.
Is Unit Converter Engineering Pro free?
Unit Converter Engineering Pro is free to download, with in-app purchases available.
Do Unit Converter Elite or Unit Converter Engineering Pro have ads?
Unit Converter Elite shows ads; Unit Converter Engineering Pro does not.
Which is updated more often, Unit Converter Elite or Unit Converter Engineering Pro?
Unit Converter Elite ships an update every 53 months, and Unit Converter Engineering Pro weekly. Most recently, Unit Converter Elite was updated on September 5, 2026 and Unit Converter Engineering Pro on September 15, 2026.

Other comparisons