iPhone unit converter5 Star rating on the App Store
TOP 1 Productivity App in Germany
TOP 3 Productivity App in USA
TOP 150 Overall App Worldwide


It’s the unit converter you’ve always dreamed of: elegant, easy to use, and soft on the eyes.  You’ll love this powerful tool that lets you convert between 400 units across tons of categories, including time, length, currency, and lots more.  Need to convert with mixed units?  No worries.  Our converter is smarter than any other product on the market.  Work easily between standard and metric measurements.  You say tomato – we say no problem.

Converting is Fun

Stop thinking of converting as a task.  Converting is fun! The Converter works so fluidly and looks so good you’ll go out of your way to crunch numbers.  Choose between a bunch of customizable themes.  Intuitive user interface and intelligent organization make it a breeze to operate.  Simple search tools let you find the units you need.

Looks AND Brains

It’s all about usability.  Our buttons are huge yet the whole view fits nicely in one screen.  In landscape mode, you can view your entire calculation history.  Enable or disable categories at will.  Add your own customized units.  Edit your inputs without having to switch them.  This baby is pretty, and it types.

It Kicks Serious Butt

We’ve made sure you can convert virtually anything.  Converter packs in over 400 units across more than 16 categories.  The possibilities are endless.  Add your own conversions. Look, we’re not saying you’re going to use this converter to take over the world – just that you could if you wanted to.

Math Made Easy

Stop doing the math in your head – you’re going to hurt yourself.  You’ll love using the Extreme Converter’s built-in calculator to perform basic calculations in a hurry. Also, our calculator has the chops others don’t – square roots, percentages, a memory function, and lots more.

Money in the Bank

With over 150 currency units, you’ll be well on your way to mastering the art of international trade.  And the currency rates are updated every time you boot up the app.



  • Over 400 units
  • Convert multiple units simultaneously
  • Save your favorite conversions
  • Customize your units
  • Calculation history
  • Built-in calculator
  • Varied themes
  • 13 Cool backgrounds
  • Intuitive interface
  • Huge, smart buttons with audio feedback
  • Live as-you-type conversion
  • All units fit on a single screen
  • Draggable keypad reveals categories
  • Invert the conversion – tap to switch
  • Enable or disable categories at will
  • Currency rates auto-update at launch
  • HD-quality retina display
  • iOS 5 tested
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Conversion categories

  • Calculator
  • Angle
  • Area
  • Currency
  • Data speed
  • Data size
  • Energy
  • Force
  • Fuel
  • Length
  • Power
  • Pressure
  • Speed
  • Temperature
  • Time
  • Volume
  • Weight
  • Custom
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  • Conversion calculator
  • Currency converter
  • Know your money currency
  • Know your exchange rate
  • Know your conversion rates
  • Kilograms to pounds
  • Centimeters to inches
  • Regular calculator
  • Units calculator
  • History
  • Favorite units


  • iPhone compatible
  • iPod touch compatible
  • iPad compatible

What our customers say

“This is without question the easiest and best converter available. I can only say that you will appreciate this app and not have to search any further. Keep Smiling” – Lorne

“Thanks for writing to make sure I was ok. Ace Customer service! Cheers” – Mark Deane

“This format is great. Thanks again for producing a quality app.” – Keith Johnson

“Thanks for the update. Much better. Changed the rating.” – Tracy

“Hi there, nice app. I really like it.” – MR

“Hello, this app is cool.  I am French.” – Alexandre Pisani

“This is a very nice app.” – Terry L. Koontz

“I just had the opportunity to use your app; it is great.” – B. Singh


You can visit Converter’s website at http://getconverter.com