Photo Locker and Video Hider Pro - Best Private Picture Gallery Vault with Safe Pattern Lock Screen
Jian Yih Lee
Visualize audio frequencies in real time
Visualize real-time audio frequencies with a spectrogram and spectrum analyzer. Adjust sample rate and frequency resolution. Identify sound frequencies, measure vocal range, and analyze audio input.
Showing 281–300 of 1,000 ranked alternatives.
Jian Yih Lee
Sergii Nesterenko
Record and play animal calls
Record and play realistic and distress calls for . Create custom sequences with adjustable delays and loop playback. Supports screen lock and works offline. Includes a library of natural vocalizations for predator scouting and training.
ORIOL NADAL SERRA
Generate tones, test speakers, eject water
Udio tones across 20 Hz to 20 kHz for testing, tuning, or experimentation. Test speaker performance for distortion or imbalance. Clean muffled speakers using the built-in speaker cleaner tool.
PASCO scientific
Measure absorbance and transmittance
Measure absorbance, transmittance, and fluorescence of solutions using a PASCO Wireless Spectrometer. Analyze full spectra and perform Beer’s law and kinetics experiments. Connect via USB or Bluetooth and view real-time data graphs.
Paula Jeff
Generate with frequency control
Generate tone sounds with adjustable frequency settings from 160Hz to 20000Hz. Use slider or numeric input to set frequency. Play the selected tone. Test hearing by listening to different frequencies.
Liquid Instruments Pty Ltd
Measure, record, and analyze signals
Allows users to perform advanced signal analysis with an oscilloscope and spectrum analyzer. It enables waveform generation, data logging, and frequency response testing. Users can control PID systems, build filters, and analyze laser stability.
洪彬 林
Record, pause, and transfer memos
Record memos with one-touch start and stop. Save files instantly. Record for short durations or extended periods. Pause and resume recordings. Transfer files to a computer via WiFi. Adjust playback speed.
TMI Media, LLC
Practice scales, tune, and transpose music
Offers a metronome with tempo adjustment and common tempo options. Includes a transposed tuner showing frequency and note. Features an interactive fingering chart, musical term dictionary, transposition tools, and scale practice exercises.
NETIGEN KLUZOWICZ SPOLKA JAWNA
Generate sound waves and test speakers
Generate sound waves with sine, square, sawtooth, or triangle waveforms. Adjust between 1Hz and 22000Hz. Play single oscillator tones. Test speakers or tune instruments using generated frequencies.
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.