# Piano Chord Training

> Piano chord practice

Canonical page: [https://chrome-stats.com/d/id6799702179](https://chrome-stats.com/d/id6799702179)

## Overview

- **ID:** `id6799702179`
- **Platform:** Apple
- **Type:** Apple app
- **Status:** Available
- **Publisher:** tomoyuki koyanagi
- **Category:** Music
- **Version:** 1.1.0
- **Last updated:** 2026-09-12
- **First published:** 2026-09-09
- **Size:** 7.55 MB
- **Data as of:** 2026-09-17
- **Store listing:** [Apple App Store](https://apps.apple.com/us/app/piano-chord-training/id6799702179)
- **Privacy policy:** [https://sites.google.com/view/chordtrainer/%E3%83%9B%E3%83%BC%E3%83%A0](https://sites.google.com/view/chordtrainer/%E3%83%9B%E3%83%BC%E3%83%A0)

## Description

From “knowing” chords to being able to “play” them at a glance.
Chord Trainer is a hands-on training app that helps you derive diatonic triads from a key and scale degree—and master them through actual performance.
【Key Features】
Choose Your Practice Mode: In addition to the standard 10-question mode, Chord Trainer offers sequential and random practice modes. In practice and random modes, keyboard hints guide you to the next note.
Visualize Your Weaknesses with Heatmaps: After each session, the app records your first-try accuracy and time to correct answer. Heatmaps by chord and key let you instantly identify your strengths and areas for improvement.
MIDI Input Support: Play using either on-screen taps or an external MIDI keyboard. Track and review your results separately for each input method.
【Make Practice Personal—and Fun】
Use coins earned through practice sessions to unlock a variety of characters (HEROes). Take on challenges together and stay motivated every day.
Start with free exercises. If you’d like to go deeper, unlock additional exercises with a straightforward one-time purchase.

## Rankings

- #1,217,339 — Overall

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Source: [Chrome-Stats](https://chrome-stats.com/d/id6799702179)