# KeyStaff

> Learn musical notes

Canonical page: [https://chrome-stats.com/d/id6753950371](https://chrome-stats.com/d/id6753950371)

## Overview

- **ID:** `id6753950371`
- **Platform:** Apple
- **Type:** Apple app
- **Status:** Available
- **Publisher:** Binh Bui
- **Category:** Education
- **Version:** 1.5.1
- **Last updated:** 2026-06-13
- **First published:** 2025-10-15
- **Size:** 7.56 MB
- **Data as of:** 2026-09-21
- **Store listing:** [Apple App Store](https://apps.apple.com/us/app/keystaff/id6753950371)
- **Website:** [https://db99.dev](https://db99.dev/)
- **Privacy policy:** [https://db99.dev/policies/keystaff](https://db99.dev/policies/keystaff)

## Description

Nail your rhythms and notes without turning practice into a chore.

Level up your note-reading chops with quickfire drills, instant feedback, and a built-in metronome that grooves with every time signature. Practice on letters or piano keys, track your streaks, and learn the theory behind every clef in one spot.

## Rankings

- #1,973,850 — Overall

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Source: [Chrome-Stats](https://chrome-stats.com/d/id6753950371)