It's not very exciting, but InstaMessage perfectly adds a much-needed chat feature to Instagram. It looks like the people behind Instagram designed it, and it actually has an active membership base. It even lets you control parts of your Instagram profile, but its marquee feature is the real draw.
To make this app work, you have to log in with your Instagram account. Once you do, it feeds in all of your Instagram friends, but you can only message them if they use the app, too. You'll probably have to invite most of your friends before you get … Read more