# Oscilyzer — Audio analyzer and generator

> Audio oscilloscope, spectrum analyzer, and AM/FM synthesizer for 0-22 kHz signals. (iPhone/iPad app by Stefan Robl.)

- Source: https://appshunter.io/ios/app/oscilyzer/id1063155960 (this page in markdown: same URL + `.md`)
- Developer: [Stefan Robl](https://appshunter.io/developer/1016181321)
- Category: Productivity, Education
- Price: Free
- Rating: 4.90/5 from 9 App Store ratings · 8 written reviews indexed
- Age rating: 4+
- Requires: iOS 13.2 · 2 MB
- Languages: American English, German (Germany)
- Released: 2020-02-09
- Data updated: 2026-08-07
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/oscilyzer/id1063155960/reviews.md

## What is Oscilyzer?

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.

Oscilloscope
• 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

Synthesizer
• 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

## Key features

- Real-time oscilloscope with triggering
- Spectrum analyzer with Metal acceleration
- AM/FM synthesizer with waveform generation
- Automatic and manual measurements
- Adjustable display and signal parameters
- Multiple memory locations for synthesizer settings

## Recent user reviews (8 of 8)

All indexed reviews: https://appshunter.io/ios/app/oscilyzer/id1063155960/reviews.md

### 5/5 — LIFE CHANGED

*2024-05-14*

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!!

### 5/5 — This app healed all of my illnesses

*2024-05-14*

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

### 4/5 — phucks wif realizations agmentes creations core

*2023-08-31*

advanced tool, not a toy. serious fun.

### 1/5 — 정말정말정말정말

*2023-02-01*

쓸모 없다아아아아아아아아아아

**Developer response:** 매우 유용한 리뷰를 보내주셔서 대단히 감사합니다. 이를 통해 무료 앱에 대한 작업을 계속할 수 있는 동기가 크게 높아졌습니다.

### 5/5 — Pretty good

*2022-12-31*

I use it to measure the flickering of LED lights.

### 5/5 — Can’t use it with older Apple devices

*2022-04-29, version 1.0.0*

Great app! But I want to it use on older devices that doesn’t support iOS 13. Is it hard to make it happen? : )

### 3/5 — To sensitive

*2020-11-11, version 1.0.0*

Great app but too sensitive wave goes off screen all the time.

### 5/5 — Just right <3

*2020-09-16, version 1.0.0*

All I wanted was an oscilloscope that worked well for audio. I’ve only just installed it but can see it has lots of features, including a tone generator! This is EXACTLY what I needed! 5/5 💜

## Frequently asked questions about Oscilyzer

### What audio frequencies can Oscilyzer analyze and generate?

Oscilyzer works in the audio ranges from 0 to 22 kHz, utilizing the integrated audio interfaces of your device.

### What are the trigger modes available in Oscilyzer's oscilloscope function?

The oscilloscope mode in Oscilyzer offers automatic, normal, and single-shot trigger modes, with trigger edges selectable for rising, falling, or both.

### How does Oscilyzer's spectrum analyzer display information?

The spectrum analyzer in Oscilyzer uses Apple Metal graphics acceleration for fast display. It can show the spectrum, waterfall, or a combined view, with options for logarithmic or linear frequency axes.

### Can Oscilyzer transfer generated frequencies to its synthesizer?

Yes, Oscilyzer allows the dominant frequency detected by the spectrum analyzer to be transferred directly to the generator/synthesizer for further use.

### Does Oscilyzer support different types of modulation for synthesis?

Oscilyzer supports real-time waveform synthesis with both AM (Amplitude Modulation) and FM (Frequency Modulation) modulation, allowing for diverse audio signal creation.

### How often is Oscilyzer updated?

Oscilyzer was last updated on February 9, 2020, with version 1.0.0. Future updates will depend on developer plans.

### What devices is Oscilyzer compatible with?

Oscilyzer is compatible with iPhone, iPad, and iPod devices, indicated by its supported devices list.

### What is the age rating for Oscilyzer?

Oscilyzer has an age rating of 4+, making it suitable for a wide range of users.

## Version history (last 1 release)

### 1.0.0 — 2020-02-09

No release notes.

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## More apps by Stefan Robl

- [CW 1 to 53](https://appshunter.io/ios/app/cw-1-to-53/id1496439228)

All apps by Stefan Robl: https://appshunter.io/developer/1016181321

## Related topics

[oscilloscope](https://appshunter.io/ios/topics/oscilloscope) · [sound analysis oscilloscope](https://appshunter.io/ios/topics/sound-analysis-oscilloscope) · [sound oscilloscope](https://appshunter.io/ios/topics/sound-oscilloscope) · [oscillator](https://appshunter.io/ios/topics/oscillator) · [frequency detector analyzer](https://appshunter.io/ios/topics/frequency-detector-analyzer)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-07.*