o46scope
Visualiz sound in real time
Free · Designed for iPad
Waveform + spectrum side by side. 48 kHz sampling, 4096-pt FFT, trigger/hold & DC block. o46scope makes everyday sounds instantly visible.
o46scope is a real-time audio measurement app for iPhone and iPad. It visualizes microphone input with simultaneous Oscilloscope and FFT Spectrum views, and includes a beep tone generator for quick speaker/room checks. Advanced options—such as DC block, range, and window settings—help you tune accuracy. From learning and troubleshooting to everyday sound insight, o46scope makes audio evaluation fast and clear.
Ratings & Reviews
This app has not received enough ratings or reviews to display an overview.
• Improved session mode for more stable performance
• Added waveform and level meter color display options
• Added a high-pass filter (70Hz cutoff) to reduce low-frequency noise
• Added a notch filter to suppress power-line noise
• Added a simple white-noise reduction feature
• Added a settings reset option for quick restoration to defaults
• Added selectable vertical scale magnification for waveform display
The developer, Shinsuke Tsutsui, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Shinsuke Tsutsui
- Size
- 20.8 MB
- Category
- Utilities
- Compatibility
Requires iOS 13.0 or later.
- iPhone
Requires iOS 13.0 or later. - iPad
Requires iPadOS 13.0 or later. - iPod touch
Requires iOS 13.0 or later. - Mac
Requires macOS 11.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- Languages
- English and Japanese
- Age Rating
4+
- 4+
- Copyright
- © 2025 Shinsuke Tsutsui