SOUND TOOLS
Online hearing test
Explore which tones you notice in each ear. This informal headphone screening cannot diagnose hearing loss.
Start quietly. Stop immediately if uncomfortable. Volume settings are not calibrated safe levels.
Ready when you are
Left · 125 Hz
Playback stops when you leave or hide this tab. Locking the screen may also stop browser audio.
01 / Meter
How to use this tool
- Use headphones in a quiet room at low volume.
- Select one ear and play a tone; note whether you hear it.
- Repeat gently for the other ear. Stop if uncomfortable.
02 / FAQ
Frequently asked questions
Why use headphones?
They help separate left and right channels; speakers mix them in the room.
What are the limits?
Hardware, fit and background noise affect responses. Persistent concerns need a qualified hearing professional.
03 / IPHONE APP
Keep your noise checks together
dB Pulse: Decibel Meter is for iPhone with iOS 26+. Keep track of daily noise dose, sustained-noise alarms, saved sessions, Lock Screen Live Activity and widgets.
Pro adds advanced alarms, a spectrum analyzer, unlimited history, report export, session notes, supported microphone profile matching and an Apple Watch meter.
Back to the meter ↗