TripIt will keep your shared travel plans updated in iMessage
The app even provides real-time flight times for premium members.
Dropbox for iOS lets you sign PDFs, adds iMessage app
iPad split-screen mode will be coming soon, as well.
A newsletter a day keeps the FOMO at bay.
Grammar Snob stickers for iMessage are ready to ruin your friendships
Troll friends who don't know the difference between "your" and "you're."