波動 Hysteric Oscillator Downloads & Revenue波動 Hysteric Oscillator · App Store
Not in any tracked top chart right now.
Updated 7 Nov 2026 · rankings refresh through the day
DeveloperToshihiko Arai
CategoryMusic
PriceFree
Released
Rating★ 4.2 (20)
Version26.10.27
Age rating9+
First seen by us
23 Oct 2026
23 Oct 2026波動 Hysteric Oscillator update history & changes
Last change · 4 events since 24 Jul 2019Full timeline ↓Full timeline · 4 events
- 📦波動 Hysteric Oscillator updated to version 26.10.27You can now play it with a keyboard.
- Tap the keyboard button at the bottom to bring up a keyboard. Notes sound only while you hold a key. Slide your finger to change pitch, and swipe the strip above the keys to move across C2–B7.
- When both channels are playing, the keyboard also shows how far above (or below) the other channel sounds.
- With the keyboard open, tap the folder above it and that preset will open with the keyboard next time, at the same position (Pro).
- Built-in presets made for playing, such as Organ and Clarinet, open with the keyboard.
- The list of Pro benefits now matches what Pro actually includes.… more - 🆕波動 Hysteric Oscillator first spotted by AppInsiderJapan (found via developer)
- 📦波動 Hysteric Oscillator version 26.10.20You can now support development.
- Open Settings > Support Development to support the app at one of three levels, starting with a cup of coffee. Support is separate from Pro and doesn't unlock any features.
- Fixed the Save button in the preset list being unreadable on iOS 26.
- Fixed occasional steps in the sound when changing the rate of the AM sawtooth.… more - 🆕波動 Hysteric Oscillator released on the App Store
Collected from the stores by AppInsider since we first spotted the app. Dates are when we saw each change.
Rating
4.2 ★
20 ratings
Measured
波動 Hysteric Oscillator on the App Store
App details
App ID
1473229854
Publisher
Toshihiko Arai
On the store since
Jul 2019
7 years on the store
Minimum OS
iOS 15.0+
iPhone 6s and later
Devices
iPhone · iPad
Universal purchase
Content rating
9+
1 content note below
Languages
8
NL EN FR DE IT JA ES ZH
Size
10 MB
Also listed in
Utilities
Content notesInfrequent/Mild Horror/Fear Themes
Where it ranks now
Every top chart it appears in across 30 countries.
| Country | Charts | Rank |
|---|---|---|
| Not charting right now. | ||
Ratings
App Store, worldwide.
Rating
4.2 ★
20 ratings
Measured
Ratings
20
Measured
About 波動 Hysteric Oscillator
An oscillator experiment app that shows the waveform in real time while it plays.
Generate sine, square, pulse, sawtooth, and noise from 2 Hz to 20 kHz, and control the filter (low-pass / high-pass) and AM / FM modulation from your device. Export what you made as a video or an audio file. Useful for quick speaker and amplifier checks, DIY audio circuit tests, and learning synthesizer basics.
Features
- Six waveshapes: sine, square, pulse, sawtooth, harmonics, and noise (White, Pink, or Brown)
- Real-time waveform display with L / R in separate colors; tap to switch to a mono trace
- Spectrum analyzer: see the frequency content in real time, with guide lines on each harmonic so you can read how much harmonic content the sound has
- "Harm" waveshape built from added harmonics: pick which harmonic is loudest with a slider, then set the character with Pure / Full / Odd / Even, and check the result in the spectrum
- Frequency from 2 Hz to 20 kHz, with exact numeric entry
- Filter: off / low-pass / high-pass, with resonance (Q) and slope (-12 to -48 dB/oct)
- AM modulation with five modulator shapes; pulse lets you set the beep length in milliseconds
- FM modulation with five modulator shapes: vibrato, trill, siren and hiccup-style pitch movement
- Stereo balance control
- 42 built-in presets (bandwidth-check sine tones, filter and pulse driven effects)
- Export a vertical video (MP4) of the moving waveform for social media (free)
- Export audio files (WAV / M4A) with the Full Version
- Two channels for interference and beating (Full Version)
- Save your own presets (Full Version)
Great for
- Quick checks of speakers, earphones, and amplifiers
- Testing DIY effects pedals and audio circuits
- Learning waveforms, filters, and modulation
- Classroom and workshop demonstrations
- Playing with drones, beats, and modulated tones
Free and Full Version
The oscillator, waveform display, filter, modulation, numeric entry, and video export are free. Two-channel operation, preset saving and file sharing, audio file export, and alternate app icons are available through a one-time in-app purchase.
Note
This app is intended for experiments and quick checks, not precision measurement. Start at a low volume, and take care when connecting earphones, headphones, or external speakers.
Generate sine, square, pulse, sawtooth, and noise from 2 Hz to 20 kHz, and control the filter (low-pass / high-pass) and AM / FM modulation from your device. Export what you made as a video or an audio file. Useful for quick speaker and amplifier checks, DIY audio circuit tests, and learning synthesizer basics.
Features
- Six waveshapes: sine, square, pulse, sawtooth, harmonics, and noise (White, Pink, or Brown)
- Real-time waveform display with L / R in separate colors; tap to switch to a mono trace
- Spectrum analyzer: see the frequency content in real time, with guide lines on each harmonic so you can read how much harmonic content the sound has
- "Harm" waveshape built from added harmonics: pick which harmonic is loudest with a slider, then set the character with Pure / Full / Odd / Even, and check the result in the spectrum
- Frequency from 2 Hz to 20 kHz, with exact numeric entry
- Filter: off / low-pass / high-pass, with resonance (Q) and slope (-12 to -48 dB/oct)
- AM modulation with five modulator shapes; pulse lets you set the beep length in milliseconds
- FM modulation with five modulator shapes: vibrato, trill, siren and hiccup-style pitch movement
- Stereo balance control
- 42 built-in presets (bandwidth-check sine tones, filter and pulse driven effects)
- Export a vertical video (MP4) of the moving waveform for social media (free)
- Export audio files (WAV / M4A) with the Full Version
- Two channels for interference and beating (Full Version)
- Save your own presets (Full Version)
Great for
- Quick checks of speakers, earphones, and amplifiers
- Testing DIY effects pedals and audio circuits
- Learning waveforms, filters, and modulation
- Classroom and workshop demonstrations
- Playing with drones, beats, and modulated tones
Free and Full Version
The oscillator, waveform display, filter, modulation, numeric entry, and video export are free. Two-channel operation, preset saving and file sharing, audio file export, and alternate app icons are available through a one-time in-app purchase.
Note
This app is intended for experiments and quick checks, not precision measurement. Start at a low volume, and take care when connecting earphones, headphones, or external speakers.
Latest updates
26.10.27
You can now play it with a keyboard.
- Tap the keyboard button at the bottom to bring up a keyboard. Notes sound only while you hold a key. Slide your finger to change pitch, and swipe the strip above the keys to move across C2–B7.
- When both channels are playing, the keyboard also shows how far above (or below) the other channel sounds.
- With the keyboard open, tap the folder above it and that preset will open with the keyboard next time, at the same position (Pro).
- Built-in presets made for playing, such as Organ and Clarinet, open with the keyboard.
- The list of Pro benefits now matches what Pro actually includes.
26.10.20
You can now support development.
- Open Settings > Support Development to support the app at one of three levels, starting with a cup of coffee. Support is separate from Pro and doesn't unlock any features.
- Fixed the Save button in the preset list being unreadable on iOS 26.
- Fixed occasional steps in the sound when changing the rate of the AM sawtooth.
