Doorframe: Height Tracker

The pencil marks on the door frame, without the pencil. Doorframe is a simple, private height tracker for your whole family. Point your iPhone at someone standing on the floor, hold still, and it measures their height by itself. Then it keeps every mark on one illustrated door, so you can see everyone side by side and watch your kids grow. MEASURE LIVE • On an iPhone with LiDAR (Pro and Pro Max models), a 3D measuring pole appears beside them and the height shows live. • Hold roughly still and it captures on its own. A wobbly toddler is fine. • It only captures once several readings agree, so the same person measures the same height run after run. • It asks "Is this Arlo?" based on who it's most likely to be, so saving takes a tap. • Standing, or lying down for babies. • Clear tips on screen: step back, show their feet, turn on a light. • Every height shows its range and how confident…