Apps Like dB Meter & Spectrum Analyzer for iPhone and iPad
Measure sound levels and analyze frequencies
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.
by Vlad Polyanskiy★ 4.7865 ratingsUtilities$29.99Data updated 2026-09-08
Analyze analog devices with 7+ measurements including frequency response, distortion, and noise. Connect via USB. Export results as reports. Compare measurements against standards. Monitor real-time signals.
Calculate gas flow through an orifice meter using tube and plate dimensions. Determine if measurements fall within Beta Ranges. Input values for diameter, pressure, and temperature. Display calculated flow rate and Beta Ratio.
Phone Usage displays device hardware details and activity. Monitor CPU frequency, memory usage, and network . View Wi-Fi hotspot info and carrier data. Track real-time system performance and resource consumption.
Measure ambient instantly with live EV feedback. Adjust aperture, shutter speed, and ISO for accurate exposure. Save and compare readings over time. Sync measurements with other devices for consistent results.
Analyzes device motion using accelerometers and gyroscope. Displays time series data and frequency spectra via FFT. Supports external USB accelerometer. Applies Hamming window and removes DC bias. Tracks three-axis movement with 0.02g sensitivity.
Measure lengths with a ruler supporting metric and inch units. Detect ambient noise levels using a decibel meter. Use a protractor tool to measure angles via camera. Calibrate and view objects for precise measurements.
With a 5-minute quick or extended session for detailed results. n audiogram showing range. Use varied tones to assess different frequencies. Adjust testing based on personal perception. Track changes over time with date range analysis.
Measure leaf surface area with high accuracy using a mobile device. Log measurements and export data as CSV. Share files via AirDrop, email, or other methods. Requires a white background with reference markers.