# NML vs Henle Library

The clearest difference is in-app purchases: NML at none against Henle Library's 12. Henle Library's advantage is iOS requirement (13.0 vs 15.3). On price, rating, review sentiment and ratings volume there is nothing between them.

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

On the App Store both sit at effectively the same score — 3.0 for NML against 2.9 for Henle Library. Both are backed by a comparable volume of ratings — 66 and 91 respectively. Written reviews are what separate them: 40% of NML's written reviews are positive against 34% of Henle Library's.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on August 28, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | NML | Henle Library |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (66 ratings)](https://appshunter.io/ios/app/nml/id338059159/reviews)** | [2.9 (91 ratings)](https://appshunter.io/ios/app/henle-library/id1021283948/reviews) |
| Number of ratings | 66 | **91** |
| Positive reviews | **39.5% of reviews** | 34.2% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Subscription | **Free with in-app purchases** |
| Size | 70 MB | 54 MB |
| Requires iOS | 15.3 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Naxos Digital Services Ltd.](https://appshunter.io/developer/338059162) | [Guenter Henle Verlag](https://appshunter.io/developer/1416460395) |

## What reviewers say

### NML

[App page](https://appshunter.io/ios/app/nml/id338059159)

Access a vast library of classical music recordings with extensive metadata. Create personalized playlists and utilize study tools. Ideal for music enthusiasts and students seeking in-depth information.

**Highlights:** 2.73 million+ classical music tracks, Rich metadata (composer bios, program notes), Customizable playlists, Playlists created by educators, Study tools and resources, Latest releases from over 1000 labels

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 🎵 Exceptional classical music library and selection
- 📚 Comprehensive coverage of albums and recordings
- 🎧 High-quality audio on web/browser version
- 📱 Offline listening capability
- 🎯 Easy search functionality when working

**What reviewers complain about**

- 🐛 Frequent crashes and app instability
- 🔐 Session expires too quickly and frequent forced logouts
- 📱 iPad/tablet UI incompatibility and portrait-only orientation
- 🔊 Poor audio quality (robotic, glitchy, over-compressed)
- ⚠️ Offline access requires constant re-authentication

**Reported bugs**

- App crashes during playback or when switching apps
- Audio stops when screen goes to sleep
- Tracks cut off mid-movement or stop arbitrarily
- Login session expires too quickly despite 'remember me' option
- Cannot connect to internet via WiFi (requires VPN workaround)

**Requested features**

- Dark mode support
- Interactive widgets
- Landscape orientation support for tablets/iPads
- Chromecast and AirPlay support
- Background music playback while using other apps


### 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)


## Frequently asked questions

### Is NML free?

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

### Is Henle Library free?

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

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

NML is rated higher. NML averages 3.0 out of 5 from 66 ratings, while Henle Library averages 2.9 from 91 ratings.

### Do NML or Henle Library have ads?

Neither NML nor Henle Library shows ads.

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

NML ships an update every 2 months, and Henle Library every 2 months. Most recently, NML was updated on August 28, 2026 and Henle Library on September 26, 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.*