SoundTrace
Measure & Record Sound Levels
Accurate dB Meter — Clear Visuals & Reliable Logs
Measure, visualize, and record ambient sound with calibrated decibel readings. Switch inputs, log sessions, and export clean reports—on iPhone and iPad.
Live Decibel Meter
Get fast, responsive dB readings from your device’s mic with smooth updates designed for accuracy and readability.
Waveform & Line Graphs
Choose your view: dynamic waveform bars for impact or a clean dB line for precise trend tracking.
Session Logging
Record sessions with timestamps and stats—min, max, and average dB—so you can review, compare, and share later.
PDF Export
Generate professional, easy-to-read reports of your measurements and graphs for clients, teams, or records.*
Mic Calibration
Apply a custom offset to match different mics and rooms, aligning readings for consistent results.
Input Selection
Use internal or external mics (USB/Bluetooth). SoundTrace auto-labels sources for your logs.
Unlimited Storage
Keep as many sessions as you need and organize them by title for quick recall.*
In-App Playback
Re-listen to recorded sessions directly in the app to verify peaks and context.*
Custom Titles
Name sessions for jobs, rooms, or takes to keep your history organized and searchable.*
* Pro features
Measure. Visualize. Prove.
SoundTrace is your companion for checking noise at home, on set, in the studio, or on the job site. Get calibrated dB readings with clean visuals and dependable logging—so you can make decisions with confidence.
Clear, Calibrated Readings
See real-time levels at a glance, then dive into trends with waveform bars or a smooth dB line graph. Apply a calibration offset to align results across mics and rooms.
Built for Workflows
Log full sessions with min/max/avg dB, add custom titles, and playback recordings to verify events. Export polished PDFs for clients, compliance, or team reviews.*
Flexible I/O
Choose your input—internal mic, USB interface, or Bluetooth—and let SoundTrace label sources automatically in your logs.
Requires iOS 18.0 or later