# Notes Quiz (ノーツクイズ) vs Synesthesia

The clearest difference is in-app purchases: Synesthesia at none against Notes Quiz (ノーツクイズ)'s 1. Synesthesia also leads on ads (none vs shown) and ratings volume (16 vs 3). Notes Quiz (ノーツクイズ)'s advantage is update cadence (every 2 weeks vs monthly). On price, rating, review sentiment and device support there is nothing between them.

Both are free to download. Notes Quiz (ノーツクイズ) sells 1 one-off in-app purchase. Synesthesia asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 2.3 for Notes Quiz (ノーツクイズ) against 2.3 for Synesthesia. That said, the two scores are not equally well evidenced: Synesthesia has 16 ratings behind it against 3, so its average is the more settled of the two. Written reviews are what separate them: 43% of Notes Quiz (ノーツクイズ)'s written reviews are positive against 38% of Synesthesia's.

Notes Quiz (ノーツクイズ) ships an update every 2 weeks, Synesthesia monthly. The most recent releases landed on September 25, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | Notes Quiz (ノーツクイズ) | Synesthesia |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.3 (3 ratings)](https://appshunter.io/ios/app/notes-quiz/id998247786/reviews) | **[2.3 (16 ratings)](https://appshunter.io/ios/app/synesthesia-music-visualizer/id1046438840/reviews)** |
| Number of ratings | 3 | **16** |
| Positive reviews | **42.9% of reviews** | 37.5% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 2 weeks** | Monthly |
| Monetization | Free with in-app purchases | **Free** |
| Size | 15 MB | 31 MB |
| Requires iOS | 17.6 | **8.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [feb19](https://appshunter.io/developer/358045838) | [Christian Auzinger](https://appshunter.io/developer/918405870) |

## What reviewers say

### Notes Quiz (ノーツクイズ)

[App page](https://appshunter.io/ios/app/notes-quiz/id998247786)

This music training app helps beginners and intermediate players improve their sight-reading skills. It offers quizzes to match musical notes with instrument keys, enhancing musicality and performance. Practice various keys and challenge yourself with increasing difficulty levels.

**Highlights:** Note-to-key matching quizzes, Supports various musical keys, Adaptive difficulty levels, Hint system for assistance, Global high score competition, Expandable with in-app purchases

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 拡張機能を追加：特殊な音部記号を追加 | $0.99 | one-time |


### 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


## Frequently asked questions

### Is Notes Quiz (ノーツクイズ) free?

Notes Quiz (ノーツクイズ) is free to download, with in-app purchases available.

### Is Synesthesia free?

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

### Which has better reviews, Notes Quiz (ノーツクイズ) or Synesthesia?

Synesthesia is rated higher. Notes Quiz (ノーツクイズ) averages 2.3 out of 5 from 3 ratings, while Synesthesia averages 2.3 from 16 ratings.

### Do Notes Quiz (ノーツクイズ) or Synesthesia have ads?

Notes Quiz (ノーツクイズ) shows ads; Synesthesia does not.

### Which is updated more often, Notes Quiz (ノーツクイズ) or Synesthesia?

Notes Quiz (ノーツクイズ) ships an update every 2 weeks, and Synesthesia monthly. Most recently, Notes Quiz (ノーツクイズ) was updated on September 25, 2026 and Synesthesia on June 1, 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.*