Send Morse Code with touch gestures
Learn and practice Morse Code by touching the screen to generate tones. Adjust tone frequency from 300 Hz to 1200 Hz and control volume. Send dots with short touches and dashes with longer holds.
Showing 181–200 of 1,000 ranked alternatives.
European apps solutions LTD
Generate tones and track noise
Generate tones between 50 Hz and 30,000 Hz for testing or tuning. Track environmental noise levels and detect harmful sound pressure. from phone speakers using sound waves to restore sound clarity.
Chrystian Vieyra
Measure, record, and analyze data
Measure acceleration, orientation, and motion with built-in sensors. Record and analyze real-time data for experiments. Detect and generate sound tones. Visualize audio waveforms. Export measurements and graphs for scientific use.
Sheng-Hua Tsai
Turn on LED light instantly
LED light provides adjustable brightness and auto power-off after 5 minutes of inactivity. Screen light offers instant-on with real brightness control and a red mode for astronomy.
Daniel Kiefer
Launch instantly
Light, Morse and Strobe offers control with three modes: torch for basic lighting, Morse code for sending signals, and strobe for flashing patterns. Users can toggle the on and off quickly.
Piascore, Inc.
Tune instruments with built-in mic
Allows users to tune instruments using the device's microphone. It supports custom temperaments and transposition. Features include solfège notation, adjustable calibration, and a spectrum power indicator for sound visualization.
TimperLabs LLC
Tune notes and track pitch accuracy
Tune instruments with a chromatic scale and visual feedback. Adjust pitch with fine and coarse tuning controls. Practice intonation with a consistent display. Generate tones for droning. Quick mode for fast tuning confirmation.
沛然 丁
Send with flashlight or screen
Converts text to for messaging. Uses flashlight or screen to send signals. Includes a decoder for receiving messages. Supports letters, numbers, and symbols. Allows custom message creation and playback.
Erik Minass
Dial numbers with physical buttons
Dial numbers using physical buttons and sound effects. Set volume for sound effects and enable touch tone for faster dialing. Make calls without a touchscreen. Memorize numbers by heart. Pause to think before dialing. Relive vintage phone experience.
Yardi Systems, Inc.
Pay rent, request service, read alerts
Manage home information and services by submitting rent payments, setting up automatic payments, requesting maintenance, and receiving announcements.
Dogo App GmbH
Play tones and track dog responses
Train dogs using tones to communicate commands at a distance. Select a frequency that wakes the dog when tested. Pair sounds with specific actions to teach desired behaviors. Adjust volume and timing for effective .
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