HD-300 Assistant Downloads & RevenueHD-300 Assistant · App Store
Not in any tracked top chart right now.
Updated 3 Nov 2026 · rankings refresh through the day
DeveloperYamaha Corporation
CategoryMusic
PriceFree
Released
Rating★ 5.0 (3)
Version2.4.0
Age rating4+
First seen by us
20 Oct 2026
20 Oct 2026Full timeline · 3 events
- 🆕HD-300 Assistant first spotted by AppInsiderUnited States (found via search)
- 📦HD-300 Assistant version 2.4.0Fixed issues related to Bluetooth connectivity and GUI display.
- 🆕HD-300 Assistant released on the App Store
Collected from the stores by AppInsider since we first spotted the app. Dates are when we saw each change.
Rating
5.0 ★
3 ratings
Measured
HD-300 Assistant on the App Store
App details
App ID
1526764718
Publisher
Yamaha Corporation
On the store since
Mar 2021
5 years on the store
Minimum OS
iOS 13.0+
iPhone 6s and later
Devices
iPhone · iPad
Universal purchase
Content rating
4+
Languages
3
EN JA ZH
Size
80 MB
Where it ranks now
Every top chart it appears in across 30 countries.
| Country | Charts | Rank |
|---|---|---|
| Not charting right now. | ||
Ratings
App Store, worldwide.
Rating
5.0 ★
3 ratings
Measured
Ratings
3
Measured
About HD-300 Assistant
* The device on which this application is installed must be connected to the HD-300 via Bluetooth®. The application does not produce sound independently.
The HD-300 Assistant application allows an instructor to remotely control the HD-300 and provide intuitive guidance to students.
≪ Functions ≫
• HD Control
In addition to keyboard and metronome operation, the app allows remote control of temperament and transposition.
• Beat, Tempo Setting
Irregular meter and tempos can easily be created, saved, and played back.
• Individual Volume and Pitch
Fine adjustment is available for individual volumes and pitches.
• Demonstrate Mode
The interference beat that occurs when notes are slightly out of tune can be recreated, and the volumes of harmony notes can be adjusted to give students a feel for appropriate pitch and volume.
• Chord Detector
Chords can be detected and named based on a group of played notes.
• Tuner
The tuner provides a convenient means to check pitch. The tuner’s base pitch is adjustable.
・ Rhythm Assistant
The app can play the same rhythm as musical score.
The HD-300 Assistant application allows an instructor to remotely control the HD-300 and provide intuitive guidance to students.
≪ Functions ≫
• HD Control
In addition to keyboard and metronome operation, the app allows remote control of temperament and transposition.
• Beat, Tempo Setting
Irregular meter and tempos can easily be created, saved, and played back.
• Individual Volume and Pitch
Fine adjustment is available for individual volumes and pitches.
• Demonstrate Mode
The interference beat that occurs when notes are slightly out of tune can be recreated, and the volumes of harmony notes can be adjusted to give students a feel for appropriate pitch and volume.
• Chord Detector
Chords can be detected and named based on a group of played notes.
• Tuner
The tuner provides a convenient means to check pitch. The tuner’s base pitch is adjustable.
・ Rhythm Assistant
The app can play the same rhythm as musical score.
Latest updates
2.4.0
Fixed issues related to Bluetooth connectivity and GUI display.
