Oscilyzer 4+

Audio analyzer and generator

Stefan Robl

Designed for iPad

    • 4.9 • 8 Ratings
    • Free



This app is a combination of oscilloscope, spectrum analyzer and AM/FM synthesizer and works in the audio ranges from 0 ... 22 kHz using the integrated audio interfaces.
The three operating modes offer a wide range of functions and settings.

• Very fast image display and real-time triggering
• Trigger modes: automatic, normal, single-shot
Trigger edges: rising, falling, both
• Automatic measurement of frequency, period and amplitude
• Manual measurement of frequency, period and amplitude
• Freely selectable trigger level and time
• Variable zoom and offset

Spectrum Analyzer
• Very fast image display with the help of Apple Metal graphics acceleration
• Logarithmic or linear frequency axis
• Display modes: spectrum, waterfall and combined
• Automatic determination of the dominant frequency
• Music note calculation of the dominant frequency
• Possibility to transfer the dominant frequency to the generator/synthesizer
• Cursor for manual frequency determination
• Adjustability of bandwidth, FFT window and high-pass filter
• Adjustability of color scheme, brightness and contrast of the waterfall display

• Waveform synthesis in real time
• AM and FM modulation
• Different waveforms for base signal, AM and FM modulator
• Multiple memory locations for quick switching between different settings
• Direct input of all numerical parameters

Ratings and Reviews

4.9 out of 5
8 Ratings

8 Ratings

Mae75826382 ,


this app truly changed my life, its so amazing!! i wouldnt be the same without it, its so perfect and great i wouldnt be the person i am today without it. So thankful Mr. Lindfors showed us this!!

Charlie021606 ,

This app healed all of my illnesses

I had stage 7 cancer and after I used this app I was cured of my ailments. Thank you! Shoutout Mr. Lindfors

zliu11 ,

Pretty good

I use it to measure the flickering of LED lights.

App Privacy

The developer, Stefan Robl, 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.

Privacy practices may vary, for example, based on the features you use or your age. Learn More

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