# Performance Directions Grade 1 vs IMSLP

The clearest difference is review sentiment: IMSLP at 70% against Performance Directions Grade 1's 0%. IMSLP also leads on update cadence (every 10 days vs every 4 months) and ratings volume (512 vs 1). Performance Directions Grade 1's advantage is in-app purchases (none vs 1) and rating (5.0 vs 4.6). On price, ads and device support there is nothing between them.

Both are free to download. IMSLP sells 1 in-app purchase, starting at $3.99 per month. Performance Directions Grade 1 asks for nothing beyond the download.

Performance Directions Grade 1 holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: IMSLP has 512 ratings behind it against 1, so its average is the more settled of the two. Written reviews complicate that: 0% of Performance Directions Grade 1's written reviews are positive against 70% of IMSLP's, so the app with the better star average is not the one people write more warmly about.

Performance Directions Grade 1 ships an update every 4 months, IMSLP every 10 days. The most recent releases landed on October 3, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Performance Directions Grade 1 | IMSLP |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/performance-directions-grade-1/id1256925971/reviews)** | [4.6 (512 ratings)](https://appshunter.io/ios/app/imslp/id1373671782/reviews) |
| Number of ratings | 1 | **512** |
| Positive reviews | 0.0% of reviews | **70.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 10 days** |
| Monetization | **Free** | Freemium |
| Size | 24 MB | 232 MB |
| Requires iOS | **8.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [P & J Music Publishing Limited](https://appshunter.io/developer/1168527195) | [Project Petrucci LLC](https://appshunter.io/developer/1373671781) |

## What reviewers say

### Performance Directions Grade 1

[App page](https://appshunter.io/ios/app/performance-directions-grade-1/id1256925971)

This app provides a glossary of approximately 500 musical terms from the Royal Schools of Music syllabus. Each term includes English and Chinese explanations, pronunciation by a multilingual singer, and International Phonetic Alphabet notation. It specifically covers Grade 1 music theory.

**Highlights:** 500+ musical terms, English and Chinese explanations, Pronunciation by Dr. Derek Anthony, International Phonetic Alphabet notation, Marked by frequency of use, Grade 1 syllabus coverage

**Features:** macOS Compatibility

**In-app purchases:** none


### IMSLP

[App page](https://appshunter.io/ios/app/imslp/id1373671782)

Access a vast digital library of classical music scores on your iOS device. Enjoy full access to commercial recordings, instant downloads, and new uploads with a membership subscription. Support the music community while exploring a comprehensive collection.

**Highlights:** Browse IMSLP/Petrucci Music Library, View musical scores, Access commercial recordings, Instant downloads, Access new uploads instantly, Membership subscription benefits

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Membership Subscription | $3.99 | per month |

**What reviewers like**

- 🚀 Integrated IMSLP library
- 👍 Well-made app
- 👍 Game changer for musicians
- 👍 Indispensable for professionals and amateurs
- 👍 Fantastic offering

**What reviewers complain about**

- 🐛 Crashes when zooming in and annotating
- 💰 Money grabbing with constant subscription prompts
- 🐛 Frequent crashes and freezes
- 🐛 Annotation issues and lost data
- 🐛 Battery drain on iPad

**Reported bugs**

- Crashes when opening scores
- Scores disappearing from library
- Login issues and lost data
- Incompatibility with older devices after updates
- Annotation issues causing loss of data

**Requested features**

- Predictive text for score annotations
- Ability to restore original zoom settings
- Metric to indicate device performance during page turns
- Folder-like organization system
- Color wheel and custom pen/highlighter options


## Frequently asked questions

### Is Performance Directions Grade 1 free?

Performance Directions Grade 1 is free to download, with no in-app purchases.

### Is IMSLP free?

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

### Which has better reviews, Performance Directions Grade 1 or IMSLP?

Performance Directions Grade 1 is rated higher. Performance Directions Grade 1 averages 5.0 out of 5 from 1 ratings, while IMSLP averages 4.6 from 512 ratings.

### Do Performance Directions Grade 1 or IMSLP have ads?

Neither Performance Directions Grade 1 nor IMSLP shows ads.

### Which is updated more often, Performance Directions Grade 1 or IMSLP?

Performance Directions Grade 1 ships an update every 4 months, and IMSLP every 10 days. Most recently, Performance Directions Grade 1 was updated on October 3, 2026 and IMSLP 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.*