Best Products
Launches
Launch archive
Most-loved launches by the community
Launch Guide
Checklists and pro tips for launching
News
Newsletter
The best of Product Hunt, every day
Stories
Tech news, interviews, and tips from makers
Changelog
New Product Hunt features and releases
Forums
Forums
Ask questions, find support, and connect
Streaks
The most active community members
Events
Meet others online and in-person
Advertise
Subscribe
Sign in
KeyStaff
Learn to read music notes
6 followers
Learn to read music notes
6 followers
Visit website
A simple iOS app for learning to read music notes.
Overview
Launches
1
Reviews
Team
More
KeyStaff makers
Here are the founders, developers, designers and product people who worked on KeyStaff
Đặng Bình Bùi
Trying something new
KeyStaff
Follow
Subscribe
Sign in
