Unit Convert vs Conversion Calculator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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)
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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.
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.
- 15 categories and 120+ units
- Metric and imperial conversions
- Cooking, weight, length, temperature, and more
- Offline functionality
- Customizable decimal display
- Apple Watch app
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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
Verdict
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
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.
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.
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.
| Parameter | Unit Convert | Conversion Calculator |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (15 ratings) | 4.8 (165 ratings) — better |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 15 | 165 — better |
| Update frequency | Every 3 months | Every 5 weeks — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone, iPad, Apple Watch |
| Requires iOS | 15.6 — better | 17.0 |
| Further details — not scored | ||
| Size | 3 MB | 10 MB |
| Age rating | 4+ | 4+ |
| Developer | River Right Ltd | Collins Cheruiyot |
Customer experience
Unit Convert
Conversion Calculator
In-app purchases
Unit Convert
- Exchange Rates$0.99
Conversion Calculator
- Unlimited access forever$8.99
Questions
Is Unit Convert free?
Is Conversion Calculator free?
Which has better reviews, Unit Convert or Conversion Calculator?
Do Unit Convert or Conversion Calculator have ads?
Which is updated more often, Unit Convert or Conversion Calculator?
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