Quant vs Unit Converter Engineering Pro
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Quant
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Quant Unit Converter is a powerful tool for accurate conversion of physical quantities. Designed with the needs of engineers, scientists, students and everyone working with physical quantities in mind. Key features: ∙ Wide range of conversion units - more than 100 measurement units in various categories; ∙ Intuitive interface - simple and clear design for fast operation; ∙ Accurate calculations - high precision conversion with scientific notation support; ∙ Offline operation - works without internet connection. Unit categories: ∙ Basic: length, area, volume, mass, time, temperature; ∙ Physics: speed, acceleration, force, pressure, density, energy; ∙ Engineering: power, heat capacity, electricity, magnetism; ∙ Chemistry: amount of substance, radioactivity, viscosity. Fast and convenient operation: ∙ Instant conversion of selected measurement units when entering values; ∙ Quick copying of results; ∙ Ability to choose value rounding precision; ∙ Convenient setup of categories and measurement units you work with; ∙ Support for light and dark interface themes; ∙ No ads, only one-time purchase to unlock all conversion categories and support developers.
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
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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
Verdict
The clearest difference is iOS requirement: Unit Converter Engineering Pro at 13.0 against Quant's 17.6. On price, ads, in-app purchases 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
Both are free to download. Quant sells 1 one-off in-app purchase and Unit Converter Engineering Pro sells 2 in-app purchases, starting at $5.99 per 7 days. Whichever you choose, the download price is not the number that matters.
| Parameter | Quant | Unit Converter Engineering Pro |
|---|---|---|
| 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 | iPhone, iPad, iPod — better |
| Requires iOS | 17.6 | 13.0 — better |
| Further details — not scored | ||
| Size | 11 MB | 77 MB |
| Age rating | 4+ | 4+ |
| Developer | Anatolii Atamanov | Kaiguri Tech |
In-app purchases
Quant
- Full Version$3.99
Unit Converter Engineering Pro
- 3-Day Trial3 Days trial$5.997 Days
- Yearly Plan$19.991 Year
Questions
Is Quant free?
Is Unit Converter Engineering Pro free?
Do Quant or Unit Converter Engineering Pro have ads?
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