Comparison

Unit Converter HD. vs Unit Currency 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 HD.

Easily convert over 700 units across 30 categories with this powerful tool. It offers a user-friendly interface, dark mode support, and a backspace key for quick corrections. Save time on all your measurement conversion needs.

Highlights
  • 700+ Units of Measure
  • 30 Conversion Categories
  • Easy-to-Use Interface
  • Dark Mode Support
  • Backspace Key
Features
Read full description

The most powerful unit converter in the market. Helps you make easy conversion between more than 700+ various units of measure in 30 categories. Discover a universal assistant for all of your unit conversion needs. Features: √ 30 Categories √ 700+ Units of Measure √ Backspace key √ Extremely Easy-to-Use √ Supports Dark Mode Save Your Time. Quickly & Easily! Universer Unit Converter Free HD URL scheme is "EWUnitConverterFree://"

About

Unit Currency Converter

This app offers a simple and intuitive interface for converting various units of measurement. It categorizes essential units for daily life, living, science, and miscellaneous needs, with built-in currency conversion and math calculators.

Highlights
  • Intuitive and simple UI
  • Categorized essential unit sets
  • Real-time currency converter
  • Math calculators
  • Organize conversion lists
  • Easy conversion with one-hold button
Features
Read full description

Unit Converter is your all-in-one smart conversion tool and real-time currency calculator, engineered to convert measurements instantly with just a few taps, even completely offline. Whether you are a student, engineer, traveler, business professional, chef, or DIY enthusiast, Unit Converter delivers fast, reliable calculations for everyday life, school, and work. WHY CHOOSE UNIT CONVERTER? - 300+ UNITS ACROSS 40+ CATEGORIES: From basic everyday measurements to advanced scientific and engineering conversions. - REAL-TIME CURRENCY CONVERTER: Live exchange rates for 150+ world currencies including USD, EUR, GBP, JPY, CAD, AUD, CNY, and more. Cached rates keep currency conversion available offline. - BUILT-IN SMART CALCULATOR: Type math expressions (+, -, *, /) directly into the input field without switching to a separate calculator app. - WORKS 100% OFFLINE: No internet connection required. Convert length, weight, temperature, area, volume, and more anytime, anywhere. - ELEGANT DARK AND LIGHT THEME: Clean, modern interface designed for comfort, reduced eye strain, and battery saving. - INSTANT SMART SEARCH: Quickly find any unit or symbol in seconds with our lightning-fast search engine. - HISTORY AND FAVORITES: Revisit recent calculations or pin your most-used unit pairs for one-tap access. - CUSTOMIZABLE LAYOUT: Drag and drop to reorder category tabs according to your personal workflow. COMPREHENSIVE UNIT CATEGORIES 1. BASIC AND EVERYDAY MEASUREMENTS: - Length: Meter, Kilometer, Centimeter, Millimeter, Inch, Foot, Yard, Mile, Nautical Mile. - Weight and Mass: Kilogram, Gram, Milligram, Pound (lbs), Ounce (oz), Ton, Stone, Carat. - Area: Square Meter, Hectare, Square Kilometer, Square Foot, Square Mile, Acre. - Volume: Liter, Milliliter, Cubic Meter, Gallon (US and UK), Quart, Pint, Cup, Fluid Ounce. 2. DAILY LIFE AND TRAVEL: - Currency: Live exchange rates updated from reliable global financial sources. - Temperature: Celsius, Fahrenheit, Kelvin. - Clothing and Shoe Sizes: International conversion charts for Men, Women, and Kids (US, UK, EU, JP). - Speed: km/h, mph, knot, m/s, ft/s. - Time: Second, Minute, Hour, Day, Week, Month, Year. 3. ENGINEERING AND SCIENCE: - Pressure: Bar, Pascal (Pa), PSI, Standard Atmosphere (atm), Torr, mmHg. - Power and Energy: Watt, Kilowatt, Horsepower (HP), Joule, Calorie, Kilocalorie, BTU. - Electricity: Electric Current (Ampere), Voltage (Volt), Resistance (Ohm), Electric Charge. - Mechanics and Fluid: Force (Newton), Flow Rate, Density, Viscosity, Torque. - Astronomy, Angles, and Concentration. 4. TOOLS AND LIFESTYLE: - Digital Storage and Data: Byte, Kilobyte (KB), Megabyte (MB), Gigabyte (GB), Terabyte (TB), Petabyte (PB). - Cooking and Baking: Teaspoon (tsp), Tablespoon (tbsp), Cup, Milliliter, Ounce, Gram. - Fuel Consumption: L/100km, MPG (US and UK), km/Liter. - Time Zones: Worldwide time difference comparisons. DESIGNED FOR THE BEST USER EXPERIENCE - Lightning-fast startup with zero lag. - High numerical precision with customizable decimal places and number formats. - One-tap copy and share results effortlessly. - Privacy-friendly: No intrusive tracking or unnecessary permissions. Download Unit Converter today and experience the easiest, most accurate way to convert anything, anywhere.

Screenshots

Unit Converter HD.3 screens
Unit Currency Converter4 screens

Verdict

The call

The clearest difference is review sentiment: Unit Converter HD. at 94% against Unit Currency Converter's 0%. Unit Converter HD. also leads on rating (4.7 vs 3.7) and update cadence (every 2 months vs every 78 months). Unit Currency Converter's advantage is monetization model (free vs free with in-app purchases). On price, ads, in-app purchases and device support 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 HD. sells 1 one-off in-app purchase and Unit Currency 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

Unit Converter HD. holds the better App Store score, 4.7 against 3.7. That said, the two scores are not equally well evidenced: Unit Converter HD. has 645 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 94% of Unit Converter HD.'s written reviews are positive against 0% of Unit Currency Converter's.

UpkeepUpdate frequency

Unit Converter HD. ships an update every 2 months, Unit Currency Converter every 78 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

Scorecard6 real differences · 4 level
Unit Converter HD. versus Unit Currency Converter: the parameters behind the verdict, then further details
ParameterUnit Converter HD.Unit Currency Converter
PriceFreeFree
Rating4.7 (645 ratings) — better3.7 (3 ratings)
Positive reviews93.8% of reviews — better0.0% of reviews
Number of ratings645 — better3
Update frequencyEvery 2 months — betterEvery 78 months
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 — better15.5
Further details — not scored
Size86 MB42 MB
Age rating4+4+
Developer良峰 侯Giang Pham Thi

Customer experience

Unit Converter HD.

All ratings644 ratings
Positive94.7%
Neutral2.2%
Negative3.1%
Written reviews146 reviews
Positive93.8%
Neutral2.7%
Negative3.4%

Unit Currency Converter

All ratings3 ratings
Positive66.7%
Neutral0.0%
Negative33.3%
Written reviews4 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Bugs and requests

Unit Converter HD.

Reported bugs

2 issues
  • Freezing or crashing on some devices
  • Display issues with certain units

Requested features

3 requests
  • Add support for US weights (tons, lbs., oz.)
  • Implement portrait mode support
  • Provide more customization options

Unit Currency Converter

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

Unit Converter HD.

One-time1
  • Remove Ads Pack$1.99
1 purchases

Unit Currency Converter

One-time1
  • Remove Ads$1.99

Questions

Is Unit Converter HD. free?
Unit Converter HD. is free to download, with in-app purchases available.
Is Unit Currency Converter free?
Unit Currency Converter is free to download, with in-app purchases available.
Which has better reviews, Unit Converter HD. or Unit Currency Converter?
Unit Converter HD. is rated higher. Unit Converter HD. averages 4.7 out of 5 from 645 ratings, while Unit Currency Converter averages 3.7 from 3 ratings.
Do Unit Converter HD. or Unit Currency Converter have ads?
Both Unit Converter HD. and Unit Currency Converter show ads.
Which is updated more often, Unit Converter HD. or Unit Currency Converter?
Unit Converter HD. ships an update every 2 months, and Unit Currency Converter every 78 months. Most recently, Unit Converter HD. was updated on November 1, 2026 and Unit Currency Converter on November 3, 2026.

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