Measure Decibels

Ever wonder how loud the coffee shop, your office, or a concert really is? Decibel Meter turns your iPhone into an instant sound level meter -- tap Start, and see the noise around you in real time.
REAL-TIME SOUND MEASUREMENT
・Instant dB readings updated live on screen
・Smooth, accurate levels with professional-grade processing
・Clear sound descriptions that tell you what each level means
TRACK YOUR NOISE EXPOSURE
・Live chart shows how sound levels change over time
・Min, Avg, and Max stats update as you measure
・See at a glance whether your environment is safe or too loud
HEARING HEALTH WARNINGS
・Get contextual alerts when noise reaches harmful levels
・Know when hearing protection is recommended
・Understand the risk at every dB range -- from quiet library to rock concert
CALIBRATE FOR YOUR DEVICE
・Adjust calibration offset to match your surroundings
・Fine-tune readings for consistent accuracy
・Works reliably across different iPhone models
DESIGNED TO BE SIMPLE
・Clean, modern dark interface that is easy to read
・One tap to start measuring -- no setup required
・Lightweight and fast, no account needed
UPGRADE TO PRO
・Remove all ads for an uninterrupted experience
・Customize sound level descriptions to fit your needs
Whether you are checking noise levels at work, monitoring sound while your baby sleeps, or just curious about the world around you -- Decibel Meter gives you the answer in seconds.
Download now and find out how loud your world really is.

Terms of Use: https://olivetapp.github.io/Decibel-Meter/term-of-use
Privacy Policy: https://olivetapp.github.io/Decibel-Meter/privacy-policy