# NML Jazz vs Opus Great

The clearest difference is rating: Opus Great at 5.0 against NML Jazz's 4.0. NML Jazz's advantage is in-app purchases (none vs 4) and update cadence (every 3 months vs every 7 months). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. Opus Great sells 4 one-off in-app purchases. NML Jazz asks for nothing beyond the download.

Opus Great holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 4 and 2 respectively.

NML Jazz ships an update every 3 months, Opus Great every 7 months. The most recent releases landed on October 21, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | NML Jazz | Opus Great |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (4 ratings)](https://appshunter.io/ios/app/nml-jazz/id347524744/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/opus-great/id6499111554/reviews)** |
| Number of ratings | **4** | 2 |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 7 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 59 MB | 6 MB |
| Requires iOS | **15.3** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Naxos Digital Services Ltd.](https://appshunter.io/developer/338059162) | [昇 陈](https://appshunter.io/developer/1725916824) |

## What reviewers say

### NML Jazz

[App page](https://appshunter.io/ios/app/nml-jazz/id347524744)

Access one of the most extensive online jazz music collections, featuring over 252,000 tracks from thousands of artists and labels. This app provides a fresh design and enhanced features for exploring jazz.

**Highlights:** Vast jazz music collection, Over 252,000 tracks, Thousands of jazz artists, Recordings from numerous labels, Fresh app design, New features

**Features:** macOS Compatibility

**In-app purchases:** none


### Opus Great

[App page](https://appshunter.io/ios/app/opus-great/id6499111554)

Organize, search, and access your PDF sheet music library seamlessly across devices. Create custom collections, mark favorites, and enjoy a distraction-free reading experience designed for practice and performance.

**Highlights:** Organize PDF sheet music, Search by title or composer, Create custom music books, Syncs via iCloud, Smart PDF reader, Full-screen performance mode

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Buy Me a Water | $0.99 | one-time |
| Buy Me a Coffee | $1.99 | one-time |
| Buy Me a Cake | $3.99 | one-time |
| Lifetime Pro | $9.99 | one-time |


## Frequently asked questions

### Is NML Jazz free?

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

### Is Opus Great free?

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

### Which has better reviews, NML Jazz or Opus Great?

Opus Great is rated higher. NML Jazz averages 4.0 out of 5 from 4 ratings, while Opus Great averages 5.0 from 2 ratings.

### Do NML Jazz or Opus Great have ads?

Neither NML Jazz nor Opus Great shows ads.

### Which is updated more often, NML Jazz or Opus Great?

NML Jazz ships an update every 3 months, and Opus Great every 7 months. Most recently, NML Jazz was updated on October 21, 2026 and Opus Great on October 25, 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.*