# GPMuse: Music Notation — Compose & write sheet music

> Compose & write sheet music (iPhone/iPad app by Hung Truong Khanh.)

- Source: https://appshunter.io/ios/app/gpmuse-music-notation/id6761681276 (this page in markdown: same URL + `.md`)
- Developer: [Hung Truong Khanh](https://appshunter.io/developer/1762420034)
- Category: Music, Utilities
- Price: Free
- Age rating: 4+
- Requires: iOS 18.6 · 37 MB
- Languages: American English, Vietnamese
- Released: 2026-04-10
- Data updated: 2026-08-15
- User reviews in markdown: https://appshunter.io/ios/app/gpmuse-music-notation/id6761681276/reviews.md

## What is GPMuse?

GPMuse is an intuitive music writing and notation tool for iOS. It provides a minimalist and smooth workspace, helping you quickly capture your musical ideas.

KEY FEATURES:

• Visual Notation: Add, delete, and edit notes directly on the staff. Flexibly switch between clefs (Treble, Bass, Alto...).
• Diverse Rhythms: Customize the tempo of your score. Fully supports rhythms from basic to complex, including triplets.
• Harmony & Key Signatures: Quickly set key signatures and insert accurate chord symbols above the staff.
• Playback: Instantly play back your written score with high-quality audio to review your melodies.

OPTIMIZED EXPERIENCE:

• User-friendly interface, specially optimized for touch gestures on iPhone and iPad.
• Full Dark Mode support to protect your eyes and improve focus.

Terms of use: https://support.gpmuse.com/terms_of_use.html
Privacy policy: https://support.gpmuse.com/privacy_policy.html


## Version history (last 5 releases)

### 1.3.1 — 2026-08-15

• Various other fixes and improvements

### 1.3.0 — 2026-08-09

• New Feature - Measure Repeat: You can now add measure repeat signs to speed up your music composition and keep your sheet music looking clean and professional!
• Minor bug fixes and performance improvements for a smoother app experience.

### 1.2.0 — 2026-07-21

• New Feature - Guitar & TAB: Support for Guitar instruments and a professional TAB editor for your sheet music!
• New Feature - Lyrics Input: You can now easily input lyrics for your sheet music with ease!
• Minor bug fixes and performance improvements for a smoother app experience.

### 1.1.1 — 2026-06-08

• Various other fixes and improvements

### 1.1.0 — 2026-05-10

Thanks for using GPMuse! In this update, we’re bringing you new features and performance improvements

New Features:
- Added the ability to Add and Remove measures, making score editing easier than ever.
- New Metronome feature to help you keep perfect timing while playing back or practicing.

Improvements:
- UI/UX enhancements for a smoother and more intuitive experience.
- Overall performance and stability improvements.

## More apps by Hung Truong Khanh

- [Split Bill: Share Expenses](https://appshunter.io/ios/app/split-bill-share-expenses/id6511249239)

All apps by Hung Truong Khanh: https://appshunter.io/developer/1762420034

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-15.*