RootMi
A co-operative chord sheet editor for musicians and bands
RootMi is a collaborative music tool that allows band members to create, edit, and share chord sheets in real time. It is designed for both practice sessions and live performances, supporting offline use and seamless synchronization when online.
What RootMi does
RootMi helps musicians work together on song arrangements using simple chord-based sheets.
- Create chord sheets for songs
- Edit and annotate sheets using touch or stylus input
- Share sheets with band members
- Collaborate in real time during rehearsals or live sessions
- Automatically transpose chords into different musical keys
- Access and edit sheets even without an internet connection
- Switch between light and dark mode according to your preference
Key Features
Offline-first editing
Works reliably even in rehearsal environments with limited connectivity.
Chord-based system
Simple chord sheets instead of full music notation for quick editing.
Setlists
Create, store and edit entire setlists for a session.
Handwriting & drawing
Annotate sheets using stylus or touch input.
Auto transpose
Instantly change key for any song arrangement.
Cloud sync
Store and share chord sheets across devices.
Real-time collaboration
Edit together during live sessions and rehearsals.
Data Collection & Usage
RootMi collects minimal user data to provide core functionality.
Email address
Used for authentication, password recovery, and important service-related notifications.
User content (chord sheets)
Stored securely to enable syncing and collaboration. Shared only when explicitly chosen by the user.
We do not sell user data or use it for advertising purposes.
Purpose of Data Usage
- User authentication and account security
- Real-time collaboration features
- Storage and synchronization of chord sheets
- Essential account and service notifications
Ownership
RootMi is independently created and maintained by a Dae-On Kim who is the sole owner of the application.