# HD vs H4essential Control

The clearest difference is rating: HD at 5.0 against H4essential Control's 2.4. On price, ratings volume, update cadence and ads there is nothing between them.

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

HD holds the better App Store score, 5.0 against 2.4. Both are backed by a comparable volume of ratings — 3 and 5 respectively.

HD ships an update every 10 months, H4essential Control every 14 months. The most recent releases landed on October 22, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | HD | H4essential Control |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/hd-300-assistant/id1526764718/reviews)** | [2.4 (5 ratings)](https://appshunter.io/ios/app/h4essential-control/id6467176781/reviews) |
| Number of ratings | 3 | **5** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 10 months** | Every 14 months |
| Monetization | Free | Free |
| Size | 76 MB | 28 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Yamaha Corporation](https://appshunter.io/developer/353469356) | [ZOOM CORPORATION](https://appshunter.io/developer/566291782) |

## 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


### H4essential Control

[App page](https://appshunter.io/ios/app/h4essential-control/id6467176781)

Control your ZOOM H4essential Handy Recorder wirelessly from your iPhone or iPad. Manage recording, playback, parameters, and monitor vital information like waveforms and battery life.

**Highlights:** Wireless remote control, Start/stop recording and playback, Add marks, Set parameters, Monitor waveforms, Check battery and recording time

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is HD free?

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

### Is H4essential Control free?

H4essential Control is free to download, with no in-app purchases.

### Which has better reviews, HD or H4essential Control?

HD is rated higher. HD averages 5.0 out of 5 from 3 ratings, while H4essential Control averages 2.4 from 5 ratings.

### Do HD or H4essential Control have ads?

Neither HD nor H4essential Control shows ads.

### Which is updated more often, HD or H4essential Control?

HD ships an update every 10 months, and H4essential Control every 14 months. Most recently, HD was updated on October 22, 2026 and H4essential Control 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.*