Measure · HandMeasure AR for iPhone
Screen Ruler
Measure small objects against an iPhone screen grid. Calibrate the scale with a standard card and use movable markers to read width and height in inches or centimeters.
Download on the App StoreFree download · Some features require HandMeasure Pro.
How to use it
In HandMeasure AR, open Screen Ruler.
Check the scale
Use Check or Calibrate with credit card. Match the guide to a standard card’s short edge: 5.398 cm / 2.125 in. Save when the edges match.
Measure
Place the object at the marked zero, not the phone edge. Read across the grid. Drag the circular axis handles to mark its width and height; use Reset to clear the markers.
Units & reference
Tap the unit pill to cycle in + cm, in, and cm. The credit card outline is an optional reference. Recheck the scale after changing display settings.
