1. AR Ruler :Measure people's height & Measure length in any horizontal or vertical direction 2. AI Counting:Count hundreds of steel bars 3. Hanging picture calibration: Calibrate whether the wall hanging picture is crooked 4. Straight edge measurement: The phone can be used as a straight edge for measurement 5. Level: You can use your phone as a level 6. Measurement angle: can be used to test various angles