Unit Converter Calculator Pro vs Unit Converter
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Unit Converter Calculator Pro
Easily convert between metric and imperial units for a wide range of measurements including area, speed, temperature, and weight. Supports scientific prefixes and offers a history of your conversions. No internet connection required.
- Metric to Imperial unit conversion
- Imperial to Metric unit conversion
- Area, speed, temperature, volume, weight conversions
- Scientific prefixes support
- Conversion history
- Offline functionality
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With Unit Converter Calculator you will be able to convert all types of units from Metric to Imperial systems & Vice-versa in seconds. Finding the area, speed, distance, temperature, volume, time, weight, energy, power and more converted into different units. These are some of the conversions you can easily do with our * Simple Unit Converter Calculator * • Area: Yards, Acres, Hectares & Square: Meters, Miles, Inches & Feet. • Distance / Length: Meters, Miles, Inches, Feet, Yards, Nautical Miles. • Speed / Velocity: Kilometers / Miles per hour, Feet per second, Knots, Speed of sound, Speed of light. • Temperature: Celsius, Fahrenheit, Kelvin. • Time: Seconds, Minutes, Hours, Weeks, Months, Years. • Volume: Litters, Cubic Meters, Cubic Inches, Cubic Feet, Gallons, Quarts, Pints, Cups, Teaspoons, Tablespoons, Fluid ounces. • Weight / Mass: Grams, Kilograms, Milligrams, Pounds, Ounces, Tons, Stones. • Energy / Power / Torque: Watts, Joules, Calories, ElectronVolt, BTU, Therms, Foot-Pond. Plus an advanced view which makes available Scientific prefixes like Exa, Peta, Tera, Giga, Mega, Kilo, Deci, Centi, Milli, Micro, Nano, Pico, etc. Allowing you to make more scientific calculations. ** Main Features ** • The app is Multi-language, so you will get the correct unit name based on your language, either using the option or manually changing it. • Our library of available units to convert has the best selection, preventing the display of units that no one ever uses and displaying only the most used ones. • Make every calculation and combination between units possible, including scientific notation and time-based units. • History of your latest conversions so you can view them instantly without needing to recalculate every time. • No internet connection is needed to use this app. Download Now! Quick Unit Converter Calculator for FREE!
Unit Converter
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Introducing Unit Converter - the ultimate tool for hassle-free unit conversions on your mobile device! Whether you're a student, professional, or simply someone who frequently needs to convert units, this app is designed to make your life easier. With a sleek and intuitive interface, Unit Converter offers a wide range of conversion options covering various categories, including length, weight, volume, temperature, time, speed, and more. No more searching through numerous websites or fumbling with complex formulas - this app puts all the conversion power in the palm of your hand. You can also bookmark/save or share the conversions.
Screenshots
Verdict
The clearest difference is in-app purchases: Unit Converter at none against Unit Converter Calculator Pro's 4. Unit Converter Calculator Pro's advantage is update cadence (monthly vs every 8 months). On price, ads, device support and iOS requirement 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 Calculator Pro sells 4 one-off in-app purchases. Unit Converter asks for nothing beyond the download.
Unit Converter Calculator Pro ships an update monthly, Unit Converter every 8 months. The most recent releases landed on November 6, 2026 and October 30, 2026 respectively.
| Parameter | Unit Converter Calculator Pro | Unit Converter |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (993 ratings) — better | — |
| Positive reviews | 76.2% of reviews | — |
| Number of ratings | 993 — better | — |
| Update frequency | Monthly — better | Every 8 months |
| Ads | Yes | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod, Apple Watch — better | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 14.0 |
| Further details — not scored | ||
| Size | 37 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | Rome Rock LLC | RAJAMRAGHU TECH |
Bugs and requests
Unit Converter Calculator Pro
Reported bugs
1 issue- 🐛 Changing to something else
Requested features
3 requests- 💡 Favorite conversations
- 💡 Color-coded sections
- 💡 Money conversion
Unit Converter
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Unit Converter Calculator Pro
- Remove Ads & Unlock Themes$2.99
- Remove Ads & Unlock Themes 1$4.99
- Remove Ads & Unlock Themes 2$6.99
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- Remove Ads & Unlock Themes 3$9.99
Unit Converter
No in-app purchases
Questions
Is Unit Converter Calculator Pro free?
Is Unit Converter free?
Do Unit Converter Calculator Pro or Unit Converter have ads?
Which is updated more often, Unit Converter Calculator Pro or Unit Converter?
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