# Synesthesia vs Spectrojam

The clearest difference is rating: Spectrojam at 3.9 against Synesthesia's 2.3. Spectrojam also leads on review sentiment (69% vs 38%). Synesthesia's advantage is in-app purchases (none vs 1) and update cadence (monthly vs every 3 months). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. Spectrojam sells 1 one-off in-app purchase. Synesthesia asks for nothing beyond the download.

Spectrojam holds the better App Store score, 3.9 against 2.3. Both are backed by a comparable volume of ratings — 16 and 25 respectively. Written reviews point the same way: 38% of Synesthesia's written reviews are positive against 69% of Spectrojam's.

Synesthesia ships an update monthly, Spectrojam every 3 months. The most recent releases landed on September 18, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | Synesthesia | Spectrojam |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.3 (16 ratings)](https://appshunter.io/ios/app/synesthesia-music-visualizer/id1046438840/reviews) | **[3.9 (25 ratings)](https://appshunter.io/ios/app/spectrojam/id1302916204/reviews)** |
| Number of ratings | 16 | **25** |
| Positive reviews | 37.5% of reviews | **69.2% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Monthly** | Every 3 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 31 MB | 67 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Christian Auzinger](https://appshunter.io/developer/918405870) | [Nonsequential Time Labs](https://appshunter.io/developer/1294961478) |

## What reviewers say

### Synesthesia

[App page](https://appshunter.io/ios/app/synesthesia-music-visualizer/id1046438840)

Experience music through a spectrum of colors, mimicking the sensory phenomenon of synesthesia. Use it as a dynamic mood light, a calming night light, or to visualize the pitches of songs and instruments.

**Highlights:** Music visualization, Mood lighting, Night light functionality, Pitch to color mapping, Microphone access for real-time audio

**Features:** macOS Compatibility

**In-app purchases:** none


### Spectrojam

[App page](https://appshunter.io/ios/app/spectrojam/id1302916204)

This app transforms sounds from your microphone into dynamic colors and shapes on your screen. It visualizes the frequency composition of everyday noises and musical tunes, allowing you to see sound signatures and even translate them into musical notes.

**Highlights:** Real-time sound to color/shape visualization, Musical note display for pitch accuracy, Chord and harmony analysis, Adjustable gain for volume control, High-resolution premium visualizer, Color modulation effects

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $2.99 | one-time |


## Frequently asked questions

### Is Synesthesia free?

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

### Is Spectrojam free?

Spectrojam is free to download, with in-app purchases available.

### Which has better reviews, Synesthesia or Spectrojam?

Spectrojam is rated higher. Synesthesia averages 2.3 out of 5 from 16 ratings, while Spectrojam averages 3.9 from 25 ratings.

### Do Synesthesia or Spectrojam have ads?

Neither Synesthesia nor Spectrojam shows ads.

### Which is updated more often, Synesthesia or Spectrojam?

Synesthesia ships an update monthly, and Spectrojam every 3 months. Most recently, Synesthesia was updated on September 18, 2026 and Spectrojam on September 16, 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.*