Knock: for one person

Knock puts one person on your Home Screen. Their face sits among your apps, and you can see at a glance whether they're free and what time it is where they are. Tap it, and their phone buzzes once. That's the whole message: I was thinking of you. No feed, no inbox, no history. A knock happens and is gone. The only thing Knock keeps is how many days you have both shown up. NEW IN 1.4 A little more room for words. You can now leave three notes per person in a rolling 15 minutes. A wall that clears itself. Notes waiting to be seen expire seven days after sending. A new exchange clears waiting notes at least a day old, while fresh notes stay. A recovery fix keeps carried notes from disappearing during a profile refresh. One person is still free. No subscription. ALSO IN KNOCK A photo behind their face, with Pro. Pick one from your camera roll and it sits behind them, in the app and on the…