Measure sound levels with A-, C-, or no weighting. Display frequency spectrum. Export measurement data. Use full screen audio mode. Perform accurate and fast recordings.
by Johan Rogard★ 4.327 ratingsUtilitiesFreeData updated 2026-09-06
Measure sound levels with precise readings from 30 to 130 dBA. Use A, B, C, Z, and ITU-R 468 frequency filters. Adjust time weighting settings including SLOW, FAST, and IMPULSE. Display real-time data with clear visual indicators.
Measure and display decibel levels in real time using a gauge. Record maximum, average, and minimum decibel values with a logarithmic graph. View accurate level readings. Access a history page to review past decibel data.
Measure noise levels using a precise . Record levels and view real-time data. Set thresholds and receive alerts when limits are exceeded. Export measurements and share results.
Visualize audio in real time with customizable backgrounds and logos. Export visualizations as videos. Select and analyze audio files directly on phone or Mac. Adjust settings to modify animation styles and layouts.
Measure levels in real time with high-precision sensors. Display noise levels in dB with corresponding descriptions. Lock screen mode available. No ads or in- purchases.
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.
Measure sound levels with SPL meter and RT60 analysis for room reverberation. Analyze frequency spectra using spectrogram and octave modes. nd test audio signals with white/pink noise, sine, and sweep options.
Measure ambient noise levels with a professional-grade . Record and analyze sound data. Classify noise sources using AI. Display real-time noise visualization. Detect and log noise with a weighted measurement engine.
Measure ambient sounds and noise levels using iPhone or iPod. Record audio and view real-time decibel readings. Stop recording at any time and playback recorded . Display FFT viewer and frequency for detailed analysis.
The app transforms an iPhone into a sound level meter, offering dual-input measurement and a contextual reference guide. It provides long-term data logging for up to 12 hours and allows for CSV file export.
Measure ambient noise using the phone's microphone and display real-time decibels. Track noise levels from household appliances like washing machines and refrigerators. Compare outputs to help choose quieter electronics.
Measure levels in decibels with real-time updates. View visuals to analyze frequency characteristics. Select frequency or time weighting corrections. Export data for review.