# Musicnotes vs KORG cortosia

The clearest difference is price: Musicnotes at Free against KORG cortosia's $9.99. Musicnotes also leads on rating (4.8 vs 4.2) and ratings volume (43K vs 6). KORG cortosia's advantage is in-app purchases (none vs 10) and ads (none vs shown). On review sentiment and device support there is nothing between them.

Musicnotes is free to download; KORG cortosia costs $9.99 up front. Musicnotes sells 9 in-app purchases, starting at $14.99 per year. KORG cortosia asks for nothing beyond the download.

Musicnotes holds the better App Store score, 4.8 against 4.2. That said, the two scores are not equally well evidenced: Musicnotes has 43K ratings behind it against 6, so its average is the more settled of the two. Written reviews point the same way: 55% of Musicnotes's written reviews are positive against 48% of KORG cortosia's.

Musicnotes ships an update fortnightly, KORG cortosia every 2 months. The most recent releases landed on November 9, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Musicnotes | KORG cortosia |
| --- | --- | --- |
| Price | **Free** | $9.99 |
| Rating | **[4.8 (43K ratings)](https://appshunter.io/ios/app/musicnotes-sheet-music-reader/id924050984/reviews)** | [4.2 (6 ratings)](https://appshunter.io/ios/app/korg-cortosia/id952982019/reviews) |
| Number of ratings | **43K** | 6 |
| Positive reviews | **54.8% of reviews** | 47.8% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Fortnightly** | Every 2 months |
| Monetization | **Free with in-app purchases** | Paid |
| Best chart rank | **#177** | — |
| Size | 122 MB | 35 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 9+ | 12+ |
| Developer | [Musicnotes](https://appshunter.io/developer/369741037) | [KORG INC.](https://appshunter.io/developer/363714046) |

## What reviewers say

### Musicnotes

[App page](https://appshunter.io/ios/app/musicnotes-sheet-music-reader/id924050984)

**Currently charting:** #177 Top Free · Music (US App Store)

Access and play over 500,000 sheet music arrangements. This digital library offers interactive playback, annotation tools, and transposition features to aid in practice, performance, and learning. Organize your music, scan printed scores, and sync notes across devices.

**Highlights:** Sheet music player and reader, Interactive playback, Transpose songs, Annotation tools, Organize into set lists, Access over 500,000 arrangements, Offline access

**Features:** macOS Compatibility

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Musicnotes Pro | $14.99 | per year |
| PDF Sheet Music Arrangement | $2.99 | one-time |
| Sheet Music Arrangement | $3.99 | one-time |
| Sheet Music Arrangement | $4.99 | one-time |
| Sheet Music Arrangement | $5.99 | one-time |
| Sheet Music Arrangement | $6.99 | one-time |
| Sheet Music Arrangement | $7.99 | one-time |
| Sheet Music Arrangement + PDF | $8.99 | one-time |
| Sheet Music Arrangement + PDF | $9.99 | one-time |

**What reviewers like**

- 🚀 Great convenience
- 🎹 Fantastic range of music
- 🎶 Adjustable to skill level
- 💻 Reliable and responsive
- 🎨 Helpful playback and annotation features

**What reviewers complain about**

- 💰 Overpriced compared to other options
- 🔒 Restrictive printing and usage policies
- 🐛 Buggy and crashes frequently
- 🖥️ Inconsistent pricing between app and website
- 📱 Poor iPad and iPhone X support

**Reported bugs**

- Login issues and inability to access purchased content
- Crashes and performance problems, especially on newer devices
- Inconsistent behavior when navigating and scrolling sheet music
- Unreliable playback and sync features

**Requested features**

- Add ability to permanently delete pre-installed songs
- Improve note-taking and annotation tools, including Apple Pencil support
- Implement better browsing and search functionality
- Allow more flexible printing and copying options
- Add seamless syncing between app and website purchases


### KORG cortosia

[App page](https://appshunter.io/ios/app/korg-cortosia/id952982019)

This app helps musicians improve their sound quality by analyzing five key elements of performance in real-time. It provides instant feedback, tracks daily progress, and allows users to compare their skills globally. Ideal for beginners and intermediate players seeking to refine their technique.

**Highlights:** Real-time analysis of five 'good sound' elements, Instant scoring on a 100-point scale, Daily practice recording and progress tracking, Global ranking for 'good sound' competition, Supports multiple wind and string instruments, Model tone comparison

**In-app purchases:** none


## Frequently asked questions

### Is Musicnotes free?

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

### Is KORG cortosia free?

KORG cortosia costs $9.99, with no in-app purchases.

### Which has better reviews, Musicnotes or KORG cortosia?

Musicnotes is rated higher. Musicnotes averages 4.8 out of 5 from 43K ratings, while KORG cortosia averages 4.2 from 6 ratings.

### Do Musicnotes or KORG cortosia have ads?

Musicnotes shows ads; KORG cortosia does not.

### Which is updated more often, Musicnotes or KORG cortosia?

Musicnotes ships an update fortnightly, and KORG cortosia every 2 months. Most recently, Musicnotes was updated on November 9, 2026 and KORG cortosia on November 4, 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.*