iPhone Screenshots


Units & currency converter covering first ever 782 units in 56 categories

AppAdvice.com: Rating - 5 star
"ConvertX is one of the most convenient and useful conversion apps I’ve seen out there, and for $.99, this is a must have." - AppAdvice.com

TheiPhoneappreview.com: Rating - 4.5/5
"The huge selection of units to convert to and from, the excellent layout and the simplicity of use is truly impressive, making Convertx one of the best converter apps on the market today" - TheiPhoneappreview.com

Popular & Rare Categories
Popular categories like Length, Mass, Volume, Area to rare categories like Capacitance, Illuminance, Inductance, Moment of Inertia covered.

Powerful search to access every category/unit instantly.

Frequently used units can be added to favorites and can be accessed quickly.
No more searching of frequently used units.

Large Forex
Currencies including US Dollar, British Pound, Canadian Dollar, Australian Dollar, Euro, Swiss Franc, Japanese Yen. Updated several times daily*.

In-Built calculator for quick use.

The themes are now available for free.

Add More
Additional categories or units can be added on popular request.

*Need internet for update

What’s New

Version 2.2

iOS 10 support.
3D touch support - favourite and last three conversions.
Core Spotlight - search categories and units.

Ratings and Reviews

oldrayj ,

Great Application!

I like the keyboard (big numbers). Easy to use. Exchange rates seem accurate.

wellsluid ,

Good app

Well done. The app is very useful and handy, it covers many units and currencies.

JLow#1 ,

English please

English units use psi not psf for pretty much everything that I use. I would find another app that uses psi.


Mallow Technologies Private Limited
6 MB
Requires iOS 7.0 or later. Compatible with iPhone, iPad, and iPod touch.
Age Rating
Rated 4+
© 2014 Mallow Technologies Private Limited
In-App Purchases
  1. Good Free
  2. Wow!! Free
  3. Excellent! Free


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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