Comparison

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.

Head to head
About

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.

Highlights
  • Metric to Imperial unit conversion
  • Imperial to Metric unit conversion
  • Area, speed, temperature, volume, weight conversions
  • Scientific prefixes support
  • Conversion history
  • Offline functionality
Features
Read full description

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!

About

Unit Converter

Features
Read full description

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

Unit Converter Calculator Pro4 screens
Unit Converter4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Unit Converter Calculator Pro sells 4 one-off in-app purchases. Unit Converter asks for nothing beyond the download.

UpkeepUpdate frequency

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.

Scorecard2 real differences · 8 level
Unit Converter Calculator Pro versus Unit Converter: the parameters behind the verdict, then further details
ParameterUnit Converter Calculator ProUnit Converter
PriceFreeFree
Rating4.7 (993 ratings) — better—
Positive reviews76.2% of reviews—
Number of ratings993 — better—
Update frequencyMonthly — betterEvery 8 months
AdsYesYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone, iPad, iPod
Requires iOS13.0 — better14.0
Further details — not scored
Size37 MB6 MB
Age rating4+4+
DeveloperRome Rock LLCRAJAMRAGHU 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

4 purchases

Unit Converter Calculator Pro

One-time4
  • Remove Ads & Unlock Themes$2.99
  • Remove Ads & Unlock Themes 1$4.99
  • Remove Ads & Unlock Themes 2$6.99
Show 1 more
  • Remove Ads & Unlock Themes 3$9.99
None

Unit Converter

No in-app purchases

Questions

Is Unit Converter Calculator Pro free?
Unit Converter Calculator Pro is free to download, with in-app purchases available.
Is Unit Converter free?
Unit Converter is free to download, with no in-app purchases.
Do Unit Converter Calculator Pro or Unit Converter have ads?
Both Unit Converter Calculator Pro and Unit Converter show ads.
Which is updated more often, Unit Converter Calculator Pro or Unit Converter?
Unit Converter Calculator Pro ships an update monthly, and Unit Converter every 8 months. Most recently, Unit Converter Calculator Pro was updated on November 6, 2026 and Unit Converter on October 30, 2026.

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