# Henle Library vs IMSLP Practice

The clearest difference is rating: IMSLP Practice at 5.0 against Henle Library's 3.0. IMSLP Practice also leads on update cadence (weekly vs every 3 months). Henle Library's advantage is ratings volume (94 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Henle Library sells 8 one-off in-app purchases and IMSLP Practice sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

IMSLP Practice holds the better App Store score, 5.0 against 3.0. That said, the two scores are not equally well evidenced: Henle Library has 94 ratings behind it against 1, so its average is the more settled of the two.

Henle Library ships an update every 3 months, IMSLP Practice weekly. Both last shipped on October 24, 2026.

## The numbers

| Metric | Henle Library | IMSLP Practice |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (94 ratings)](https://appshunter.io/ios/app/henle-library/id1021283948/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/imslp-practice/id6736897700/reviews)** |
| Number of ratings | **94** | 1 |
| Positive reviews | 34.7% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Weekly** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 54 MB | 237 MB |
| Requires iOS | **15.0** | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Guenter Henle Verlag](https://appshunter.io/developer/1416460395) | [Project Petrucci LLC](https://appshunter.io/developer/1373671781) |

## 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)


### IMSLP Practice

[App page](https://appshunter.io/ios/app/imslp-practice/id6736897700)

Access a vast library of public domain classical music scores and enhance your practice with integrated tools. Annotate directly on scores, use a metronome and tuner, record yourself, and organize your music for lessons or performances. Import your own PDFs and use hands-free page turning.

**Highlights:** Vast public domain score library, In-app metronome and tuner, Score annotation with Apple Pencil/finger, Practice session recording and playback, Practice plan creation and logging, Hands-free page turning, Import personal PDFs and forScore backups

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Membership | $3.99 | per month |
| Annual Membership | $35.99 | per year |


## Frequently asked questions

### Is Henle Library free?

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

### Is IMSLP Practice free?

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

### Which has better reviews, Henle Library or IMSLP Practice?

IMSLP Practice is rated higher. Henle Library averages 3.0 out of 5 from 94 ratings, while IMSLP Practice averages 5.0 from 1 ratings.

### Do Henle Library or IMSLP Practice have ads?

Neither Henle Library nor IMSLP Practice shows ads.

### Which is updated more often, Henle Library or IMSLP Practice?

Henle Library ships an update every 3 months, and IMSLP Practice weekly. Most recently, Henle Library was updated on October 24, 2026 and IMSLP Practice on October 24, 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.*