# IMSLP vs RoundDanceQ

The clearest difference is update cadence: RoundDanceQ at every 3 days against IMSLP's every 10 days. IMSLP's advantage is iOS requirement (13.0 vs 16.6). On price, ads, in-app purchases 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 and RoundDanceQ sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

IMSLP ships an update every 10 days, RoundDanceQ every 3 days. The most recent releases landed on November 2, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | IMSLP | RoundDanceQ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (515 ratings)](https://appshunter.io/ios/app/imslp/id1373671782/reviews)** | — |
| Number of ratings | **515** | — |
| Positive reviews | 70.1% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 10 days | **Every 3 days** |
| Monetization | Freemium | — |
| Size | 232 MB | 27 MB |
| Requires iOS | **13.0** | 16.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Project Petrucci LLC](https://appshunter.io/developer/1373671781) | [Naoki Ito](https://appshunter.io/developer/1891223196) |

## What reviewers say

### 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


### RoundDanceQ

[App page](https://appshunter.io/ios/app/rounddanceq/id6761741754)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| RoundDanceQ Pro | $29.99 | one-time |


## Frequently asked questions

### Is IMSLP free?

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

### Is RoundDanceQ free?

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

### Do IMSLP or RoundDanceQ have ads?

Neither IMSLP nor RoundDanceQ shows ads.

### Which is updated more often, IMSLP or RoundDanceQ?

IMSLP ships an update every 10 days, and RoundDanceQ every 3 days. Most recently, IMSLP was updated on November 2, 2026 and RoundDanceQ on October 31, 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.*