CORA for iOS - Manage your social media automatically
Productify - Sell your WordPress content using Gumroad
Buffer for Instagram - Plan, track, and analyze your Instagram marketing
Typeboost - Music stops when you stop typing. Stay focused while writing
Postly - Turn your photos into REAL beautiful postcards. Available on iPhone, iPad and Android. Make friends and family smile with a postcard!
Additor beta - Pocket and Evernote got a minimal and collaborative baby