Instapaper for iOS is free until December 19th
This article was written by Amit Chowdhry. You can follow me at @amitchowdhry or on Google+ at +AmitChowdhry
Instapaper [iTunes link] is a mobile app that is designed for reading articles offline. Generally, Instapaper has a cost of $3.99, but the app is free to download until December 19th as part of the Apple App of the Week promotion. Instapaper is run by Betaworks and the app has gone through a major redesign recently.