Unit Converter vs Scale Switch
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Unit Converter
Easily perform instant unit conversions across a vast array of categories, from engineering to everyday life. Features include dark mode, favorites, and dual language support for enhanced usability. Ideal for scientists, engineers, students, and anyone needing quick, accurate conversions.
- Extensive conversion categories
- Dark mode for night use
- Favorite frequently used conversions
- Dual language support
- Offline functionality
- User feedback option
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Convert 1,000+ units across 80+ converters—from everyday measurements to advanced engineering and scientific units. Unit Converter - Scientific is fast, accurate, free, and completely ad-free. WHY YOU’LL LOVE IT • 80+ converters and 1,000+ units • Metric and imperial measurement systems • Fast and accurate results • Standard unit conversions work offline • Save frequently used conversions as favorites • Comfortable dark mode • No account required • Available in English, Turkish, German, French, Spanish, and Brazilian Portuguese • All conversion tools remain free; optional tips unlock no features POPULAR CONVERSIONS • Length: centimeters, inches, meters, feet, miles, and kilometers • Weight and mass: kilograms, pounds, ounces, and grams • Temperature: Celsius, Fahrenheit, and Kelvin • Volume: milliliters, liters, cups, and gallons • Speed: miles per hour and kilometers per hour • Pressure: PSI, bar, pascal, and more • Currency conversion ADVANCED SCIENTIFIC AND ENGINEERING TOOLS Convert energy, power, force, torque, density, acceleration, flow, viscosity, electricity, magnetism, light, heat transfer, and radiology units—all in one clean interface. Whether you are an engineer, scientist, student, traveler, or simply need a quick everyday conversion, Unit Converter - Scientific gives you the tools you need without ads or unnecessary complexity.
Scale Switch
This utility app simplifies unit conversions with an intuitive interface. Easily convert between various units for time, data, temperature, area, volume, and more. It's designed for quick, reliable conversions on the go.
- Easy-to-use interface for conversions
- Wide range of supported units
- Converts time, data, temperature, area, volume, and more
- Intuitive and clutter-free design
- Quick and reliable results
- Supports various measurement systems
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Simplify your life with our all-in-one unit conversion app. Whether you're cooking, planning a trip, or working on a project, this app makes conversions seamless and intuitive. Key Features: Easy-to-Use Interface: Just type a numeric value followed by its original unit and the target unit. Example: "1.5h to min" converts hours to minutes. "20 C to F" converts Celsius to Fahrenheit. "1 sqft to sqm" converts square feet to square meters. Wide Range of Supported Units: Time: Seconds, minutes, hours, days, weeks. Digital Data: Bits, bytes, kilobytes, megabytes, gigabytes, and more. Temperature: Celsius, Fahrenheit, Kelvin. Area: Square meters, square feet, acres, hectares, and more. Volume: Milliliters, liters, US and Imperial measurements. Fuel Efficiency: Kilometers per liter, miles per gallon, liters per 100km. Length: Millimeters, centimeters, inches, feet, yards, miles, and more. Mass: Grams, kilograms, ounces, pounds, tons, and more. Power: Watts, kilowatts, horsepower, BTU/h. Intuitive Design: Quickly find what you need with a clean, user-friendly layout. Why Choose This App? No complex menus or unnecessary clutter—just type, convert, and get your answer. Perfect for professionals, students, and anyone needing quick, reliable conversions on the go. Download now and convert like a pro!
Screenshots
Verdict
The clearest difference is update cadence: Unit Converter at weekly against Scale Switch's every 4 months. Unit Converter also leads on ratings volume (18 vs 1). On price, rating, 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. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 4.9 for Unit Converter against 5.0 for Scale Switch. That said, the two scores are not equally well evidenced: Unit Converter has 18 ratings behind it against 1, so its average is the more settled of the two.
Unit Converter ships an update weekly, Scale Switch every 4 months. The most recent releases landed on November 12, 2026 and October 30, 2026 respectively.
| Parameter | Unit Converter | Scale Switch |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (18 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 90.0% of reviews | — |
| Number of ratings | 18 — better | 1 |
| Update frequency | Weekly — better | Every 4 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 17.0 — better | 18.1 |
| Further details — not scored | ||
| Size | 4 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Ahmet Burak Albayrak | Alberto Purpura |
In-app purchases
Unit Converter
No in-app purchases
Scale Switch
No in-app purchases
Questions
Is Unit Converter free?
Is Scale Switch free?
Which has better reviews, Unit Converter or Scale Switch?
Do Unit Converter or Scale Switch have ads?
Which is updated more often, Unit Converter or Scale Switch?
Other comparisons
