# Henle Library vs NML World

The clearest difference is in-app purchases: NML World at none against Henle Library's 12. Henle Library's advantage is review sentiment (34% vs 0%) and ratings volume (91 vs 2). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. Henle Library sells 8 one-off in-app purchases. NML World asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 2.9 for Henle Library against 3.0 for NML World. That said, the two scores are not equally well evidenced: Henle Library has 91 ratings behind it against 2, so its average is the more settled of the two. Written reviews are what separate them: 34% of Henle Library's written reviews are positive against 0% of NML World's.

Henle Library ships an update every 2 months, NML World every 4 months. The most recent releases landed on October 18, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Henle Library | NML World |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.9 (91 ratings)](https://appshunter.io/ios/app/henle-library/id1021283948/reviews) | **[3.0 (2 ratings)](https://appshunter.io/ios/app/nml-world/id1382107650/reviews)** |
| Number of ratings | **91** | 2 |
| Positive reviews | **34.2% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 4 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 54 MB | 49 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Guenter Henle Verlag](https://appshunter.io/developer/1416460395) | [Naxos Digital Services Ltd.](https://appshunter.io/developer/338059162) |

## What reviewers say

### Henle Library

[App page](https://appshunter.io/ios/app/henle-library/id1021283948)

Access high-quality digital Urtext editions of classical music scores on your tablet. Practice, rehearse, and perform with a range of interactive features designed for musicians of all levels. Enjoy annotations, metronome, playback, and more.

**Highlights:** Digital Urtext editions, Customizable score purchases, Print and export PDFs, Score modification and annotations, Metronome and recording, Part and score switching, Explanatory notes access

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 10 Credits | $0.99 | one-time |
| 22 Credits | $1.99 | one-time |
| 55 Credits | $5.99 | one-time |
| 100 Credits | $9.99 | one-time |
| 200 Credits | $19.99 | one-time |
| 300 Credits | $29.99 | one-time |
| 500 Credits | $49.99 | one-time |
| 1000 Credits | $79.99 | one-time |

**What reviewers like**

- 📚 High-quality Henle urtext editions
- ✏️ Annotation and marking capabilities
- 🎵 Beautiful score formatting and rendering
- 🎚️ Customizable spacing and sizing options
- 🎹 Multiple fingering/bowing variants available

**What reviewers complain about**

- 🐛 Annotations frequently disappear or get lost
- ✏️ Eraser function unreliable and non-intuitive
- 🖊️ Apple Pencil annotation tools difficult to use
- 📖 Multi-movement scores split into individual pieces
- 🖨️ Poor print quality with severe aliasing

**Reported bugs**

- Annotations deleted after app updates or restarts
- Eraser function fails to remove marks consistently
- Marks don't record when crossing between staff lines
- App crashes when opening purchased scores
- Purchased scores disappear from library

**Requested features**

- Undo/redo functionality for annotations
- Ability to print entire multi-movement pieces together
- Half-page turning option for performers
- Playlist or collection grouping system
- Individual score parts (not just full scores)


### NML World

[App page](https://appshunter.io/ios/app/nml-world/id1382107650)

Access a vast collection of world music with over 197,000 tracks from diverse countries and cultural groups. Explore catalogs from prominent labels and discover popular ethnic music.

**Highlights:** Extensive world music collection, Over 197,000 tracks, Music from 200+ countries, Includes major label catalogs, Focus on ethnic music

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Henle Library free?

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

### Is NML World free?

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

### Which has better reviews, Henle Library or NML World?

NML World is rated higher. Henle Library averages 2.9 out of 5 from 91 ratings, while NML World averages 3.0 from 2 ratings.

### Do Henle Library or NML World have ads?

Neither Henle Library nor NML World shows ads.

### Which is updated more often, Henle Library or NML World?

Henle Library ships an update every 2 months, and NML World every 4 months. Most recently, Henle Library was updated on October 18, 2026 and NML World on October 10, 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.*