Utilities

Use your phone's accelerometer to detect tilt angle, simulating a bubble level for hanging pictures and aligning objects

Measure ambient noise levels in real-time using your phone's microphone, with noise level reference chart

Visually compare common sound decibel levels and understand how noise affects hearing

Use your phone's camera to magnify objects, perfect for reading small text and observing details

Precise metronome with adjustable BPM and time signature, perfect for music practice

Use your phone's magnetometer to display heading and cardinal directions for outdoor navigation

Use your phone's vibration motor for massage with adjustable frequency and patterns