Showing 201–220 of 1,000 ranked alternatives.
Seiji Hashizume
Play and instruments with adjustable keys
Play and various instrument sounds. Record songs while playing. Adjust keyboard size in 6 levels. Use 8 different and instrument tones. Scroll smoothly during performance.
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.
Jiovany Orozco
Generate electrical energy from mechanical motion
Explore mechanical energy conversion by pedaling to generate electrical energy. View sine wave outputs with adjustable period, frequency, amplitude, and phase difference.
Jason Torres
Set and alerts
Set and text tones for default and individual contacts. Choose from a collection of sound effects and horror-themed alerts. Play directly within the . Share selected with others.
Voiser Teknoloji Limited Sirketi
Voices, generate AI voices, change voices
Create clones using AI technology. Generate synthetic voices or existing ones. Adjust pitch and tone. Export recordings in various formats. Integrate with chat applications.
力克 雷
Frequency and volume
Phone speakers by adjusting frequency and volume with swipe gestures. Choose clean sound output. Measure decibels and hertz. Compare stereo and mono sound quality.
Arda Sen
Clean speakers, enhance sound
Automatically cleans speakers to remove distortions and improve audio quality. Generate tones for testing and calibration. Adjust equalizer settings to customize sound output. Monitor health and receive alerts for potential issues.
FANG Inc.
Post entire photos without cropping.
The app allows users to crop photos into a square shape for posting on Instagram. It supports both landscape and portrait orientations and offers various background options and effects.
Ronald Nicholson
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.
Rafael Widrich
Lost Bluetooth devices
Locate Bluetooth devices using a detection radar to nearby items. Expand search area by moving. View location on a map. Play a sound to help locate the . Prevent unnecessary replacement costs.
Ronald Nicholson
Create unique retro-tech Morse ringtones.
The app enables users to create custom Morse Code ringtones from their own messages. Users can adjust text, Morse Code/CW speed, and tone frequency, with options for Farnsworth timing and different wave sounds.
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