Notes Teacher is an iPhone application developed by Yannis RICHARD. It falls under the category of Education & Reference and is available for free. This app is designed to help users learn to read music or improve their sheet music reading skills.

The app offers two main modes: "Learn" and "Practice". In the "Learn" mode, there are 32 lessons that guide users through the process of reading music notes step-by-step. Starting with just two notes, users gradually progress and learn to read all the music notes by the end of the lessons.

In the "Practice" mode, users can choose to practice either the bass or treble clef, or both simultaneously. They can also select specific groups of notes to practice. This mode focuses on improving speed and accuracy, making it easier for users to read music.

One of the standout features of Notes Teacher is its ability to accumulate statistics as users utilize the app. This allows the app to identify and target areas of weakness, customizing exercises to help users specifically work on the notes they find more challenging.

With its comprehensive lessons, customizable practice sessions, and personalized approach, Notes Teacher is a valuable tool for anyone looking to enhance their music reading skills.