Generate tones and noise with adjustable lowpass filters and panning. Choose from sine, triangle, sawtooth, and square waveforms. Precisely tune frequencies in Hz or MIDI notes.




190+ iOS apps & games curated and reviewed
With an average user rating of 4.3★, the oscillators category is one of the App Store's strongest. Browse all 190+ apps and games we track, sorted so the most loved ones surface first.








Generate tones and noise with adjustable lowpass filters and panning. Choose from sine, triangle, sawtooth, and square waveforms. Precisely tune frequencies in Hz or MIDI notes.










This app is a triangle wave synthesizer that can be used as an educational tool for learning synthesis or as a creative instrument for generating pure triangle waves. It supports MIDI input and AUv3 integration, allowing layering with other synths for complex sound textures.


Swing a ragdoll character through a neon cityscape using ropes. Aim for buildings to throw and release ropes, then land on targets to complete levels. Discover power-ups to overcome challenges.


Generate test tones and observe real-time waveform changes. Explore frequency, volume, filters, and modulation effects for audio experiments and learning synthesizer basics.


Generate simple audio tones with four distinct waveforms including sine, square, saw, and white noise. Control frequency, panning, and amplitude with intuitive sliders and numeric input. Ideal for testing audio or creating experimental music.


Generate multiple audio signals with adjustable waveforms, frequencies, and volumes for each channel. Offers presets for guitar and bass tuning, with options to expand channel support.


Learn drum rhythms with a library of play-along music loops. Adjust tempo, instrument mix, and follow notation or audio examples. Ideal for beginner and intermediate drummers.


This app translates visual information from your camera into sound using spectral synthesis. Control the sound's amplitude, type, and speed by interacting with the screen and camera feed. Record any generated sound with a simple button press.






Build and simulate electronic circuits with dynamic animations of voltage, current, and charge. Adjust parameters in real-time and generate input signals with your finger. Explore a vast library of components and community designs.


This app provides ultra-precise time by syncing with atomic time servers. It features a customizable display mimicking professional studio clocks, with advanced alarm functions and various visual themes. Designed for accuracy and usability, it's ideal for professionals and enthusiasts alike.






This app uses a visual breathing guide to help users relax and fall asleep. By focusing on a slowly changing color on your phone's screen, you can synchronize your breath and promote restful sleep. It's designed for easy use without complex features.


Drift off to sleep faster with realistic fan sounds. This app offers high-quality white noise to help you relax and conquer insomnia. It's perfect for all ages, including babies and children, to signal bedtime or nap time.


Transform your mobile device into a powerful mixed-signal oscilloscope. Analyze analog and digital signals with intuitive controls and advanced measurement features. A demo mode is available for free, with hardware required for full functionality.