Comparison

Fancy Units Converter vs US Unit Converter

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

Head to head
About

Fancy Units Converter

This app offers a fast and user-friendly way to convert units and currencies. Customize your conversion lists and get instant results as you type, with support for over 350 units and 160 currencies. It also includes a built-in calculator and offline currency data.

Highlights
  • Real-time conversion
  • 350+ physical units
  • 160+ currencies
  • Built-in calculator
  • Smart search
  • Automatic currency refresh
  • Customizable conversion lists
Features
Read full description

A Simple, Fast, User Friendly Unit & Currency Converter for Every Day Use! In Fancy Units you can easily customize a list of conversion types and units, and then use it on-the-go. You don't need to spend your time switching between units. What you enter for one item will be automatically recalculated for all other selected items. Do less and get faster result! Fancy Units consists currency rates for more then 160 countries and 24 types of conversion, including: cooking, fuel consumption, network speed, acceleration, area, data, density, pressure, speed, temperature, time, volume, weight etc. The currency rates is updated every hour, but don't worry if you have no internet connection. Fancy Units will save the data of the latest successful update and allows you to use it in your calculations. The updating process of the database is always active and soon you can find a dress and shoes size conversions as well. FEATURES • Real-time conversion • Support 350+ physical units and 160+ currencies • Built in calculator • Smart search to quickly locate categories and units • Automatic currency exchange rate refresh • Easily customize a list of conversion • Multiple languages support AVAILABLE CATEGORIES • Volume • Area • Speed • Temperature • Weight • Energy • Currency • Pressure • Time • Length • Power • Data • Frequency • Density • Illuminance • Acceleration • Radiation Dose • Plain Angle • Network Speed • Metric System • Fuel Consumption • Electric Current • Radioactivity • Cooking ––––––––––––––––––––––––––– Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period. Account will be charged for renewal within 24-hours prior to the end of the current period. Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user’s Account Settings after purchase. Any unused portion of a free trial period will be forfeited when the user purchases a subscription. Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable Privacy Policy https://www.globe.studio/privacy-policy Terms of Use https://www.globe.studio/terms-of-use

About

US Unit Converter

Easily convert between US customary units and the International System of Units for various measurements like length, weight, area, volume, and temperature. Access conversion history and remove ads with a premium upgrade.

Highlights
  • Length conversion
  • Weight conversion
  • Area conversion
  • Liquid volume conversion
  • Temperature conversion
  • Conversion history
  • Ad-free option
Features
Read full description

"US Unit Converter" converts the units of length, weight, area, liquid volume, and temperature used in the United States into the International System of Units such as meters and kilograms. Select the category of the unit you want to convert at the top of the screen, enter the value, and you can convert immediately. The units that can be converted are as follows. [Unit of length] Meters [m], centimeters [cm], millimeters [mm], kilometers [km], inches [in], feet [ft], yards [yd], miles [mile] [Unit of weight] Kilogram [kg], gram [g], pound [lb], ounce [oz] [Unit of area] Square meters [m2], Are [a], hectares [ha], square kilometers [km2], square feet [ft2], square inches [in2], square miles [mi2], acres [acre], square yards [yd2] [Unit of liquid volume] Litre [L], milliliter [ml], fluid ounce [fl oz], cup [cup], pint [pt], quart [qt], gallon [gal] [Temperature unit] Celsius [℃], Fahrenheit [℉] In the free version, you can see only the previous data in the conversion history. If you want to see 100 historical data or hide ads, please consider purchasing the premium version in the app. ---------------------- Terms of Service and Privacy Policy: https://akikibai-labolatory.jimdofree.com/privacy-policy/

Screenshots

Fancy Units Converter4 screens
US Unit Converter4 screens

Verdict

The call

The clearest difference is update cadence: Fancy Units Converter at every 3 weeks against US Unit Converter's every 6 months. Fancy Units Converter also leads on review sentiment (67% vs 44%) and ratings volume (1.6K vs 110). 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Fancy Units Converter sells 3 in-app purchases, starting at $2.99 per month and US Unit Converter 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

On the App Store both sit at effectively the same score — 4.7 for Fancy Units Converter against 4.8 for US Unit Converter. That said, the two scores are not equally well evidenced: Fancy Units Converter has 1.6K ratings behind it against 110, so its average is the more settled of the two. Written reviews are what separate them: 67% of Fancy Units Converter's written reviews are positive against 44% of US Unit Converter's.

UpkeepUpdate frequency

Fancy Units Converter ships an update every 3 weeks, US Unit Converter every 6 months. The most recent releases landed on November 6, 2026 and November 7, 2026 respectively.

Scorecard3 real differences · 7 level
Fancy Units Converter versus US Unit Converter: the parameters behind the verdict, then further details
ParameterFancy Units ConverterUS Unit Converter
PriceFreeFree
Rating4.7 (1.6K ratings)4.8 (110 ratings) — better
Positive reviews66.7% of reviews — better44.4% of reviews
Number of ratings1.6K — better110
Update frequencyEvery 3 weeks — betterEvery 6 months
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS14.0 — better15.6
Further details — not scored
Size16 MB6 MB
Age rating4+4+
DeveloperIevgenii LebidKei Suefuji

Customer experience

Fancy Units Converter

All ratings1,600 ratings
Positive93.1%
Neutral2.3%
Negative4.6%
Written reviews138 reviews
Positive66.7%
Neutral5.8%
Negative27.5%

US Unit Converter

All ratings109 ratings
Positive95.4%
Neutral0.9%
Negative3.7%
Written reviews9 reviews
Positive44.4%
Neutral11.1%
Negative44.4%

Bugs and requests

Fancy Units Converter

Reported bugs

3 issues
  • Currency conversion rates not updating
  • App freezes when closing conversion window
  • Incorrect unit conversions in certain categories

Requested features

5 requests
  • Add more unit categories
  • Improve currency conversion accuracy
  • Implement a widget for quick access
  • Allow custom unit creation
  • Provide better support for offline use

US Unit Converter

Not enough reviews yet to summarise bugs or requests.

In-app purchases

3 purchases

Fancy Units Converter

Subscriptions2
  • Unlock Full Version$2.991 Month
  • Unlock Full Version$29.991 Year
One-time1
  • Unlock Pro Version$99.99
1 purchases

US Unit Converter

One-time1
  • PREMIUM$3.99

Questions

Is Fancy Units Converter free?
Fancy Units Converter is free to download, with in-app purchases available.
Is US Unit Converter free?
US Unit Converter is free to download, with in-app purchases available.
Which has better reviews, Fancy Units Converter or US Unit Converter?
US Unit Converter is rated higher. Fancy Units Converter averages 4.7 out of 5 from 1.6K ratings, while US Unit Converter averages 4.8 from 110 ratings.
Do Fancy Units Converter or US Unit Converter have ads?
Both Fancy Units Converter and US Unit Converter show ads.
Which is updated more often, Fancy Units Converter or US Unit Converter?
Fancy Units Converter ships an update every 3 weeks, and US Unit Converter every 6 months. Most recently, Fancy Units Converter was updated on November 6, 2026 and US Unit Converter on November 7, 2026.

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