# Post vs Henle Library

The clearest difference is price: Henle Library at Free against Post's $4.99. Henle Library also leads on ratings volume (94 vs 6). Post's advantage is rating (4.3 vs 3.0) and in-app purchases (none vs 10). On update cadence, ads and device support there is nothing between them.

Henle Library is free to download; Post costs $4.99 up front. Henle Library sells 8 one-off in-app purchases. Post asks for nothing beyond the download.

Post holds the better App Store score, 4.3 against 3.0. That said, the two scores are not equally well evidenced: Henle Library has 94 ratings behind it against 6, so its average is the more settled of the two. Written reviews point the same way: 50% of Post's written reviews are positive against 35% of Henle Library's.

Post ships an update every 2 months, Henle Library every 3 months. Both last shipped on November 6, 2026.

## The numbers

| Metric | Post | Henle Library |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | **[4.3 (6 ratings)](https://appshunter.io/ios/app/post-tonal-tool-kit/id626579886/reviews)** | [3.0 (94 ratings)](https://appshunter.io/ios/app/henle-library/id1021283948/reviews) |
| Number of ratings | 6 | **94** |
| Positive reviews | **50.0% of reviews** | 34.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 1 MB | 54 MB |
| Requires iOS | **10.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [A Squared Applications](https://appshunter.io/developer/626580049) | [Guenter Henle Verlag](https://appshunter.io/developer/1416460395) |

## What reviewers say

### Post

[App page](https://appshunter.io/ios/app/post-tonal-tool-kit/id626579886)

This app provides tools for analyzing post-tonal music, including pitch-class set and tone row calculations. It helps users identify Forte names, normal forms, prime forms, and relationships within musical sets.

**Highlights:** PC Set Calculator, Subset/Superset Calculator, Matrix Calculator, Forte name analysis, Normal form calculation, Prime form identification, Tone row analysis

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 Post free?

Post costs $4.99, with no in-app purchases.

### Is Henle Library free?

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

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

Post is rated higher. Post averages 4.3 out of 5 from 6 ratings, while Henle Library averages 3.0 from 94 ratings.

### Do Post or Henle Library have ads?

Neither Post nor Henle Library shows ads.

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

Post ships an update every 2 months, and Henle Library every 3 months. Most recently, Post was updated on November 6, 2026 and Henle Library on November 6, 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.*