Unit converters are pretty standard apps, but their interface design varies widely. Convert2Go, released earlier this month by forum member kooled, has a really nice user interface which makes excellent use of a unique Windows Phone concept: sliding up the app bar reveals the unit picker, through which you can easily choose the units you want to convert.
The developer has said that the app will be free only till New Year’s Eve, so better grab it through the forum thread before it becomes paid._________
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