# HD vs Pyware 3DX

The clearest difference is iOS requirement: HD at 13.0 against Pyware 3DX's 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

HD ships an update every 10 months, Pyware 3DX every 6 months. Both last shipped on October 22, 2026.

## The numbers

| Metric | HD | Pyware 3DX |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/hd-300-assistant/id1526764718/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 6 months** |
| Monetization | Free | Free |
| Size | 76 MB | 474 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Yamaha Corporation](https://appshunter.io/developer/353469356) | [Pygraphics, Inc.](https://appshunter.io/developer/909400469) |

## What reviewers say

### HD

[App page](https://appshunter.io/ios/app/hd-300-assistant/id1526764718)

This application connects to a specific device via Bluetooth to remotely control musical functions. It allows instructors to guide students with features like metronome operation, tempo setting, and pitch adjustment. It also includes tools for chord detection and tuning.

**Highlights:** Remote HD control (keyboard, metronome, temperament, transposition), Customizable beat and tempo settings, Individual volume and pitch adjustment, Demonstrate mode for pitch and volume feedback, Chord detection and naming, Adjustable tuner, Rhythm assistant

**Features:** Vision Pro support

**In-app purchases:** none


### Pyware 3DX

[App page](https://appshunter.io/ios/app/pyware-3dx/id6449265513)

This application is a leading tool for creating marching band drill routines. It's used by ensembles globally, from high schools to major professional events. Design shows on the go with cross-device license access.

**Highlights:** Marching show routine development, Drill design, Cross-device license access, Used for major events, Available in 3 editions

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

**In-app purchases:** none


## Frequently asked questions

### Is HD free?

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

### Is Pyware 3DX free?

Pyware 3DX is free to download, with no in-app purchases.

### Do HD or Pyware 3DX have ads?

Neither HD nor Pyware 3DX shows ads.

### Which is updated more often, HD or Pyware 3DX?

HD ships an update every 10 months, and Pyware 3DX every 6 months. Most recently, HD was updated on October 22, 2026 and Pyware 3DX on October 22, 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.*