# Spectral Eye vs CymaScope Cymatics Visualizer

The clearest difference is price: Spectral Eye at Free against CymaScope Cymatics Visualizer's $12.99. Spectral Eye also leads on rating (4.9 vs 3.9) and review sentiment (89% vs 63%). CymaScope Cymatics Visualizer's advantage is chart position (#145 vs unranked). On update cadence, ads, in-app purchases and device support there is nothing between them.

Spectral Eye is free to download; CymaScope Cymatics Visualizer costs $12.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Spectral Eye holds the better App Store score, 4.9 against 3.9. That said, the two scores are not equally well evidenced: Spectral Eye has 84 ratings behind it against 11, so its average is the more settled of the two. Written reviews point the same way: 89% of Spectral Eye's written reviews are positive against 63% of CymaScope Cymatics Visualizer's.

Spectral Eye ships an update every 7 months, CymaScope Cymatics Visualizer every 12 months. The most recent releases landed on October 25, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Spectral Eye | CymaScope Cymatics Visualizer |
| --- | --- | --- |
| Price | **Free** | $12.99 |
| Rating | **[4.9 (84 ratings)](https://appshunter.io/ios/app/spectral-eye/id546934084/reviews)** | [3.9 (11 ratings)](https://appshunter.io/ios/app/cymascope-cymatics-visualizer/id6739616148/reviews) |
| Number of ratings | **84** | 11 |
| Positive reviews | **89.5% of reviews** | 62.5% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 7 months** | Every 12 months |
| Monetization | **Free** | Paid |
| Best chart rank | — | **#145** |
| Size | 5 MB | 1.3 GB |
| Requires iOS | **8.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Patrick Madden](https://appshunter.io/developer/413007812) | [Cymascope Foundation Ltd](https://appshunter.io/developer/1828899246) |

## What reviewers say

### Spectral Eye

[App page](https://appshunter.io/ios/app/spectral-eye/id546934084)

Visualize the harmonic frequencies that make up sounds. This app uses a Fast Fourier transform to display sound components in a unique spiral arrangement, aligning octaves. It's ideal for musicians and sound enthusiasts to understand tonal differences and musical structures.

**Highlights:** Spiral frequency spectrum display, Fast Fourier transform analysis, Visualizes harmonic frequencies, Adjustable synthesizer with sine waves, MIDI input for triggering notes, Displays relative frequency strengths

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 💡 Innovative and useful tool
- 👍 Simple and excellent design
- 🤩 Fun and interesting to use
- 🔬 Great for sound analysis
- 🎵 Visualizes sound frequencies well

**What reviewers complain about**

- ⏳ Not updated in years
- ❌ Microphone stays on
- 📉 Lacks advanced features
- 🤔 Unclear feature functionality
- 🚫 No 432hz tuning option

**Reported bugs**

- Microphone stays on 24/7
- Does not work for some users
- App does not launch with AUM
- No audio received from Audiobus 3
- Error when launching with AUM

**Requested features**

- Add 432hz tuning option
- Show octave number of a note
- Improve microphone control (only when active)
- Make app open source
- Add iOS versions for Audiobus 3/AUM


### CymaScope Cymatics Visualizer

[App page](https://appshunter.io/ios/app/cymascope-cymatics-visualizer/id6739616148)

**Currently charting:** #145 Top Paid · Music (US App Store)

Visualize sound frequencies and discover the hidden beauty of voice and music. Play notes on a keyboard or use your microphone to create dynamic visual patterns. Save and share your creations, and explore articles on sound therapy.

**Highlights:** Visualize sound frequencies, Play interactive keyboard, Record and save sequences, Generate visual patterns from voice/music, Real-time note matching, Choose tuning options (432 Hz/440 Hz), Access articles on sound therapy

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Spectral Eye free?

Spectral Eye is free to download, with no in-app purchases.

### Is CymaScope Cymatics Visualizer free?

CymaScope Cymatics Visualizer costs $12.99, with no in-app purchases.

### Which has better reviews, Spectral Eye or CymaScope Cymatics Visualizer?

Spectral Eye is rated higher. Spectral Eye averages 4.9 out of 5 from 84 ratings, while CymaScope Cymatics Visualizer averages 3.9 from 11 ratings.

### Do Spectral Eye or CymaScope Cymatics Visualizer have ads?

Neither Spectral Eye nor CymaScope Cymatics Visualizer shows ads.

### Which is updated more often, Spectral Eye or CymaScope Cymatics Visualizer?

Spectral Eye ships an update every 7 months, and CymaScope Cymatics Visualizer every 12 months. Most recently, Spectral Eye was updated on October 25, 2026 and CymaScope Cymatics Visualizer on October 28, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*