The Daily App Deals post is a round-up of the best app discounts of the day, as well as some notable mentions for ones that are on sale. Convex (iTunes) Previously $1.99, now Free. Convex for iOS makes conversions between over 950 units of measurement, using voice input and natural language in a whimsically animated interface. Get it for Free. (via LogicBuy) iOS iOS
![](http://a1618.phobos.apple.com/us/r1000/115/Purple/v4/5d/49/42/5d4942c8-8f07-5b25-0ee8-f43f6d499d14/newIcon.png)