Measure sound levels with readings. Analyze sound frequency with spectrum visualization. Generate custom tones for testing or experimentation. Save and share measurement data.
by 永超 侯★ 4.925 ratingsUtilitiesFreeData updated 2026-09-06
Measure sound levels using iPhone's microphone. Display readings in real time. Log noise data and view historical trends. Set custom volume alerts. Share measurements via email or social media.
Measure levels in decibels using the device’s microphone. Display real-time audio frequency and dB readings. Apply filters for specific frequency and dB ranges. Share measurements via Messages, Email, WhatsApp, Notes, and other apps.
Measure sound levels using the built-in microphone. Display decibels in dBA with a digital readout. Show minimum, average, and maximum values. Visualize sound levels with a graph line.
Generate sound waves and customize audio frequencies
Create and visualize sound waves with frequency control from 0Hz to 22,000Hz. Measure decibels to assess noise levels. Emit ultrasonic frequencies to deter insects. Toggle between light and dark interface themes.
Measures environmental noise and displays decibel values in real time. Shows current noise reference and min/avg/max dB levels. Displays dB as a gauge and graph line. Saves measured records for later review.
Measure sound levels with a to assess environmental . Monitor sound intensity in real time. Set hearing protection alerts. Log data and view historical trends. Share measurements via email or social media.
Measure car interior noise at various speeds. Compare noise levels between vehicles. Check noise cancellation effectiveness before and after. Measure motorcycle exhaust . Includes calibrated for accurate readings.
Measure levels in decibels with a real-time display. Access a decibel level reference table for hearing protection guidance. Save historical data for future review.
Ambient noise levels with a simple interface. Display one-minute average decibels in large text. Features clean design and free access. No additional functions or settings provided.
Measure levels in real time using decibels. Display minimum, average, and maximum values. Stop and reset the measurement. Customize background and text colors.
Measure sound levels with a precision instrument featuring a . Calibrate against professional dB meters. Log noise data and set decibel thresholds. Display real-time sound level readings and frequency analysis.
Measure ambient noise and levels in real time with readings and graphical displays. Track noise exposure over time using NIOSH or OSHA standards. View numerical and visual representations of levels.
Measure with real-time readings and +/- 1 dB accuracy. Log and analyze noise data over time. Set custom thresholds and receive alerts. Export measurement logs in various formats. Sync data with cloud storage for long-term tracking.
Measure sound levels using dBA and dBC scales. Detect levels accurately with pre-calibrated sensors. Log and analyze data. Set sound level alerts. Export measurements for review.