Comparison

Unit Convert vs Conversion Calculator

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

Head to head
About

Unit Convert

This utility app offers seamless unit conversions without ads or accounts. It supports offline use, custom units, and precise fractional inch conversions, making it a powerful tool for everyday and professional needs.

Highlights
  • Ad-free and account-free operation
  • 100% offline functionality
  • Custom unit creation
  • Fractional inch conversion with selectable precision
  • Feet-inches to metric conversion
  • Integrated calculator for fractions
  • Live exchange rates (cached offline)
Features
Read full description

No categories to browse. No ads to dismiss. Just start typing—it’s as simple as this. Built to stay. Out of your way. -No Interruptions. Zero ads, zero banners—focus entirely on the task at hand. -No Accounts. Open the app and start converting. We don't track you, and we don't require a login. -Unplugged. Every conversion engine is built to work 100% offline. From remote job sites to the heart of the kitchen, your tools are always ready. -Make the app your own by adding custom units. Choose your preferred output—decimal, scientific, or fractional—and save your most frequent conversions as Favorites for one-tap access. Precision you need, at lightning speed. -Convert to fractional inches with selectable precision—down to 1/16", 1/32", or beyond. Include conversion to fractional inches with ability to select accuracy (1/8, 1/16 etc). For example 35.235 cm -> 13 7/8" or 13 28/32" depending on the level of precision chosen. -Includes conversion from "feet inches" and to "feet-inches". For example convert 6' 4" -> 193.040 cm. Convert 282.43 cm -> 9' 3 1/4". -Includes conversion from "pound ounces". For example convert 2 lb 18 oz -> 2.325 kg. -Effortlessly bridge the gap between "Feet-Inches" and metric. Move from 6' 4" to centimeters and back again with surgical accuracy. -Perform basic math and input fractions directly into the conversion field. It’s a calculator and a converter, perfectly in sync. Infinite range, for every exchange. -Always Current. Access live exchange rates that stay cached for offline use when you’re off the grid. -Depth and Breadth. Whether it’s running pace, shoe sizes, or mass-to-volume for the perfect bake, we’ve covered the essentials and the obscure. -Industrial Strength. Professional-grade support for flow rate, torque, force, viscosity, and density.

About

Conversion Calculator

This utility app offers a comprehensive unit conversion tool for various needs, including cooking, travel, and work. It supports over 120 units across 15 categories, with metric and imperial options. The app works offline and allows for customization of displayed decimals and category order.

Highlights
  • 15 categories and 120+ units
  • Metric and imperial conversions
  • Cooking, weight, length, temperature, and more
  • Offline functionality
  • Customizable decimal display
  • Apple Watch app
Features
Read full description

Convert cooking measurements, kg to lbs, feet to meters, Celsius to Fahrenheit and psi to bar in a tap. Conversion Calculator is a fast, clean unit converter for the kitchen, travel, the gym, school and work. COOKING & KITCHEN • Cups, tablespoons, teaspoons, fluid ounces, pints, quarts and gallons • US and imperial (UK) cups, pints and gallons kept separate, so recipes come out right • Grams, ounces and pounds for baking WEIGHT & BODY • kg to lbs, stones, ounces, grams and milligrams LENGTH, AREA & LAND • Feet, inches, meters, cm, miles, km, yards and nautical miles • Square feet, square meters, acres and hectares TEMPERATURE, SPEED & MORE • Celsius, Fahrenheit and Kelvin • km/h, mph, knots and m/s • Energy: calories, kcal, joules and kWh • Data: bytes, KB, MB, GB and TB • Time: seconds to hours PRESSURE, FUEL, POWER & MORE • Pressure: psi, bar, kPa, atm, mmHg and inHg • Fuel economy: mpg (US and UK), L/100 km and km/L • Power: horsepower (hp), kW and watts • Torque: N·m, lbf·ft and kgf·m • Force: newtons, lbf and kgf • Angle: degrees, radians and gradians MADE FOR EVERYDAY USE • 15 categories and 120+ units, metric and imperial • Swap units in one tap and copy the result • Reorder categories so the ones you use are on top, or hide the rest with Pro • Choose how many decimals to show • Apple Watch app for conversions on your wrist • Works offline Converting is free. Pro is an optional one-time purchase.

Screenshots

Unit Convert4 screens
Conversion Calculator4 screens

Verdict

The call

The clearest difference is monetization model: Unit Convert at free against Conversion Calculator's free with in-app purchases. Unit Convert also leads on iOS requirement (15.6 vs 17.0). Conversion Calculator's advantage is rating (4.8 vs 4.6) and ratings volume (165 vs 15). On price, review sentiment, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Unit Convert sells 1 one-off in-app purchase and Conversion Calculator sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Conversion Calculator holds the better App Store score, 4.8 against 4.6. That said, the two scores are not equally well evidenced: Conversion Calculator has 165 ratings behind it against 15, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

UpkeepUpdate frequency

Unit Convert ships an update every 3 months, Conversion Calculator every 5 weeks. The most recent releases landed on November 3, 2026 and November 8, 2026 respectively.

Scorecard5 real differences · 5 level
Unit Convert versus Conversion Calculator: the parameters behind the verdict, then further details
ParameterUnit ConvertConversion Calculator
PriceFreeFree
Rating4.6 (15 ratings)4.8 (165 ratings) — better
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings15165 — better
Update frequencyEvery 3 monthsEvery 5 weeks — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPod, Mac — betteriPhone, iPad, Apple Watch
Requires iOS15.6 — better17.0
Further details — not scored
Size3 MB10 MB
Age rating4+4+
DeveloperRiver Right LtdCollins Cheruiyot

Customer experience

Unit Convert

All ratings13 ratings
Positive92.3%
Neutral0.0%
Negative7.7%
Written reviews13 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Conversion Calculator

All ratings165 ratings
Positive95.8%
Neutral3.0%
Negative1.2%
Written reviews6 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

1 purchases

Unit Convert

One-time1
  • Exchange Rates$0.99
1 purchases

Conversion Calculator

One-time1
  • Unlimited access forever$8.99

Questions

Is Unit Convert free?
Unit Convert is free to download, with in-app purchases available.
Is Conversion Calculator free?
Conversion Calculator is free to download, with in-app purchases available.
Which has better reviews, Unit Convert or Conversion Calculator?
Conversion Calculator is rated higher. Unit Convert averages 4.6 out of 5 from 15 ratings, while Conversion Calculator averages 4.8 from 165 ratings.
Do Unit Convert or Conversion Calculator have ads?
Neither Unit Convert nor Conversion Calculator shows ads.
Which is updated more often, Unit Convert or Conversion Calculator?
Unit Convert ships an update every 3 months, and Conversion Calculator every 5 weeks. Most recently, Unit Convert was updated on November 3, 2026 and Conversion Calculator on November 8, 2026.

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