Monitor ambient levels in real time using the microphone on Apple Watch Series 4 or later. Display decibel levels on a meter and indicate if the environment is “OK” or “Loud.” Add the as a complication to your watch face for quick access.
by Apple Inc.★ 4.454 ratingsUtilitiesFreeData updated 2026-09-18
Monitor levels across iPhone, iPad, MacBook, and Watch. View MacBook status directly from iPhone lock screen. Add three home screen for quick checks. Sync data across devices for easy management.
Measure EV values by pressing the left EV button to display aperture and shutter speed combinations. Adjust EV manually to preview brightness changes. Recommended for film camera enthusiasts.
The app generates test tones and frequencies using sine, square, and sawtooth waves. It supports frequencies from 20Hz to 22kHz and includes white and pink noise generation.
