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Unit Converter - Best Unit App app icon
#11in Unit Conversion

Unit Converter - Best Unit App

A Tier
Excellent
87
4.8403K ratings
3.3recent reviews
FreeIn-App Purchases
11mosince update
Travel
category
Utilities
category
4+age rating
1language
Made for iPhone
Made for iPad

What is Unit Converter - Best Unit App?

Converts between units across 20 categories, including currency with daily exchange rate updates.

Unit Converter: Best Unit App converts units in 20 categories, such as length, weight, temperature, speed, energy, and data. It also converts 155 world currencies, with exchange rates downloaded once a day when the app is opened and an internet connection required.

Pricing. Unit Converter - Best Unit App is free to download, with in-app purchases on the App Store.

Good for

  • Checking currency conversions while planning travel
  • Converting fuel mileage or speed between units
  • Comparing shoe, pants, or clothing sizes across units

Screenshots

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Why this app is in A tier

87/100The average of 4 parts, with no weights
Rating95
Ratings96
App Store search rank100
Update recency55

A tier follows from that score within this list. The full explanation, as data.

Unit Converter - Best Unit App scores 87 out of 100: rating 95, rating count 96, App Store search rank 100, update recency 55. The four parts are averaged and A tier follows from that score within this list.

Description

This is Units Plus Converter

SWAP units by pressing button on keypad (lower left)

***Now with LIVE Currency Updates for all major currencies in the world***

Very simple and beautifully designed unit converter with 20 categories and many different units:

CONVERT

*Angle
*Area
*Currency (155 world currencies updated every day.)
*Data-computer data (byte, kilobyte, megabyte, etc.)
*Data-Network Speed
*Energy
*Force
*Fuel-Mileage
*Length
*Pants
*Power
*Pressure
*Shoes
*Speed
*Temperature
*Time (days, weeks, hours, etc.)
*Tops-Clothing
*Torque
*Volume (dry and wet)
*Weight-mass

Read more

Currency exchange rates are downloaded once a day when app is opened. Every download uses very small amount of data. Around 1-2kb. Internet connection required.
155 currencies available - This is all world currencies with their respective country flags.

Compare

Top Unit Conversion

Recently Updated

Questions about Unit Converter - Best Unit App

Does the app need an internet connection?

Yes. The listing says an internet connection is required. Exchange rates are downloaded once a day when the app is opened, and each download uses about 1-2kb of data.

Which units and currencies are included?

Listed categories include angle, area, currency, data, energy, force, fuel mileage, length, power, pressure, shoes, speed, temperature, time, torque, volume, weight-mass, pants, and tops-clothing. It covers 155 world currencies with.

Is the app free?

It is free to download.

Is Unit Converter - Best Unit App right for me?

Unit Converter - Best Unit App is built for checking currency conversions while planning travel, converting fuel mileage or speed between units, comparing shoe, pants, or clothing sizes across units. It sits in the unit conversion list on AppTierList.

Is Unit Converter - Best Unit App worth it?

Unit Converter - Best Unit App is A tier, ranked #11 of 19 unit conversion apps with a score of 87 out of 100, from a 4.8 App Store rating across 403,031 ratings. It is in the list's top tiers; 10 apps rank above it.

How does Unit Converter - Best Unit App compare to OneCalc?

Unit Converter - Best Unit App is A tier at 87; OneCalc is A tier at 87. They score the same. Unit Converter - Best Unit App is free to download, with in-app purchases, OneCalc is free, with no in-app purchases.

How often is Unit Converter - Best Unit App updated?

Unit Converter - Best Unit App was last updated on 2025-12-02, 337 days ago.

Alternatives

Categories

All the facts

Ranking

List
Unit Conversion (A tier, #11)
Tier
A (Excellent)
Score
87 / 100
Rank in list
#11 of 19
Ranking certainty
settled

Ratings

App Store rating
4.8 out of 5, every App Store country
Ratings
403,031
Recent reviews
3.3 from 20 in the last 180 days

App

Price
Free + IAP
App Store category
Travel
Current version
(337 days ago)
Size
14 MB
Requires
iOS 17.0 or later
Age rating
4+
Languages
1
Runs on
iPhone, iPad

Links

Developer pages
Website · Support · Privacy policy
Maker
not verified
App Store data read

App Store data read · reviews · ranking