# Ear Trainer Master > Ear training & music theory app: chords, intervals, progressions. Guitar+piano. Canonical page: [https://chrome-stats.com/d/io.walkofcode.eartrainer](https://chrome-stats.com/d/io.walkofcode.eartrainer) ## Overview - **ID:** `io.walkofcode.eartrainer` - **Platform:** Android - **Type:** Android app - **Status:** Available - **Publisher:** Walk of Code LLC - **Category:** EDUCATION - **Downloads:** 258 - **Version:** 1.7.3 - **Last updated:** 2026-07-23 - **First published:** 2026-01-28 - **Publisher country:** US - **Size:** 220 MB - **Data as of:** 2026-09-22 - **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=io.walkofcode.eartrainer) - **Website:** [https://walkofcode.io](https://walkofcode.io/) - **Privacy policy:** [https://www.walkofcode.io/eartrainer/privacy-policy](https://www.walkofcode.io/eartrainer/privacy-policy) ## Description Ear Trainer Master — the ear training and music theory app with a guitar fretboard, piano keyboard, and 100+ structured lessons. Train intervals, chords, and chord progressions with visual aids no other app offers.

GUITAR EAR TRAINING

• See chord shapes on a real fretboard while you train — open voicings, barre chords, and a voicing style toggle
• Guitar chord identification with visual feedback on every answer
• Switch between acoustic guitar, electric guitar, classical guitar, and bass
• The only ear training app that shows you the fretboard as you learn

PIANO EAR TRAINING

• Watch piano keys light up as intervals and chords play
• Interval recognition and chord identification with keyboard visualization
• Tap individual keys to compare notes and build your inner ear
• Expand to full-screen piano for detailed analysis

100+ EAR TRAINING LESSONS

• Ascending Intervals — 24 lessons from pitch recognition to compound intervals across all 12 keys
• Descending Intervals — 18 lessons with song associations, mixed directions, and random tonic training
• Chord Identification — 31 lessons: triads, suspended chords, inversions, seventh chords, and extended jazz chords (9ths, 11ths, 13ths)
• Cadences — 11 lessons on authentic, plagal, half, and deceptive cadences
• Functional Harmony — 15 lessons: tonic/predominant/dominant functions, pop loops, circle of fifths, and turnarounds
• Applied Dominants — 8 lessons on secondary dominants and tonicization
• More domains coming soon

LEARN MUSIC THEORY BEFORE EACH QUIZ

• Concept intro lessons explain what to listen for and why it matters
• Song anchors help you remember interval sounds (Happy Birthday, Jaws, Star Wars)
• Core concepts break down chord quality, voice leading, and harmonic function
• Prerequisites guide you through a structured learning path

PRACTICE IN ANY KEY

• Tonal center selector — choose C, D, E, F, G, A, or B as your practice key
• Random tonic mode for advanced ear training across all keys
• Moving tonic mode for real-world modulation practice
• Customizable playback: melodic, harmonic, block, or arpeggiated

INTELLIGENT LEARNING SYSTEM

• Two modes: Free Mode for open exploration or Tutor Mode with 80% mastery to advance
• Multiple quiz formats: true/false recognition, matching, and identification
• Instant feedback with correct answer display
• Progress tracking with accuracy statistics and streaks
• Auto-advance with configurable timing

PROFESSIONAL AUDIO

• High-quality MIDI synthesis with professional SoundFont technology
• Adjustable tempo, volume, and sequence speed
• Works offline — practice ear training anytime, anywhere

AVAILABLE IN 16 LANGUAGES

• English, Spanish, French, German, Italian, Portuguese, Dutch, Japanese, Chinese, Russian, Arabic, Hindi, Bengali, Urdu, Turkish, Indonesian

WHO IS THIS FOR

• Guitar players who want to recognize chords by ear
• Music students preparing for ABRSM, RCM, or university auditions
• Jazz musicians learning functional harmony, extended chords, and chord substitutions
• Singers and vocalists building interval recognition and sight-singing skills
• Producers and composers developing harmonic awareness
• Beginners starting their first ear training journey
• Anyone who wants to understand music more deeply

FLEXIBLE & AFFORDABLE

• Try free lessons in every domain before upgrading
• Unlock all 100+ lessons with PRO — one-time purchase, no subscription
• Family Sharing support on iOS

Download Ear Trainer Master and start training your musical ear today. ## Rankings - #1,622,020 — Overall ## Permissions and access ### Permissions - `android.permission.ACCESS_ADSERVICES_AD_ID` - `android.permission.ACCESS_ADSERVICES_ATTRIBUTION` - `android.permission.ACCESS_NETWORK_STATE` - `android.permission.BIND_MIDI_DEVICE_SERVICE` - `android.permission.INTERNET` - `android.permission.MODIFY_AUDIO_SETTINGS` - `android.permission.READ_EXTERNAL_STORAGE` - `android.permission.RECORD_AUDIO` - `android.permission.SYSTEM_ALERT_WINDOW` - `android.permission.USE_BIOMETRIC` - `android.permission.USE_FINGERPRINT` - `android.permission.VIBRATE` - `android.permission.WAKE_LOCK` - `android.permission.WRITE_EXTERNAL_STORAGE` - `com.android.vending.BILLING` - `com.android.vending.CHECK_LICENSE` - `com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE` - `com.google.android.gms.permission.AD_ID` - `io.walkofcode.eartrainer.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION` ## Similar extensions and apps - [Piano Ear Training](https://chrome-stats.com/d/com.veitch.themelodymaster.phl) — 1,860,190 users, 3.94 / 5 - [Complete Ear Trainer](https://chrome-stats.com/d/com.binaryguilt.completeeartrainer) — 1,028,027 users, 4.56 / 5 - [MyEarTraining Pro](https://chrome-stats.com/d/com.myrapps.eartrainingpro) — 1,358 users, 4.67 / 5 - [Ear Gym: Ear Training & Theory](https://chrome-stats.com/d/com.franciscop.francisco.eargym) — 461,990 users, 4.80 / 5 - [EarMaster - Ear Training](https://chrome-stats.com/d/com.earmaster.android) — 308,799 users, 4.35 / 5 - [Ear Training Lab](https://chrome-stats.com/d/com.brutar.codex) — 76 users - [Piano Ear Trainer](https://chrome-stats.com/d/cl.personal.piano_ear_trainer) — 319 users - [Music Theory & Ear Training](https://chrome-stats.com/d/com.studymusictheory.app) — 7,319 users - [MyEarTraining - Ear Training](https://chrome-stats.com/d/com.myrapps.eartraining) — 623,567 users, 4.73 / 5 - [Pitch Trainer - Ear Training](https://chrome-stats.com/d/com.eartraining.pitchtrainer) — 120,607 users, 4.50 / 5 - [Piano Ear Training Pro](https://chrome-stats.com/d/com.veitch.themelodymaster.petp) — 2,515 users, 5.00 / 5 - [Earonman - Ear Training](https://chrome-stats.com/d/com.earonman.app) — 632 users --- Source: [Chrome-Stats](https://chrome-stats.com/d/io.walkofcode.eartrainer)