Where Musical Fluency Is Forged.

Deliberate practice tools for musicians who care about mastery.

Structured practice. Intelligent feedback. Real progress.

Practice changes as you progress.

Early learning is about discovery, momentum, and excitement.
Later learning is about depth, clarity, and retention.

KeyForge is built for that second stage.

Where Piano Fluency Is Forged.

A comprehensive practice system covering sight reading, scales, chords, arpeggios, rhythm training, ear training, and harmonic analysis. Fifteen structured practice modes, each designed to build a specific dimension of musicianship.

Intelligent feedback. Adaptive difficulty. Session tracking that respects your time.

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KeyForge Piano home screen on iPhone
KeyForge Piano home screen on macOS

Where Rhythmic Precision Is Forged.

A professional-grade metronome with polyrhythm support, multiple visualization modes, setlist management, tempo presets, and advanced features to empower your practice. Four polyrhythm visualizers β€” circular, timeline, orbital, and grid β€” each offering a distinct way to internalize complex rhythmic relationships.

Built for musicians who take time seriously.

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KeyForge Metronome on iPhone

What We Build

Structured practice systems. Each mode targets a specific skill with precision.

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Sight Reading Engine

Configurable note generation across clefs, key signatures, and difficulty levels. Real-time pitch detection with immediate visual feedback.

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Rhythm & Polyrhythm

Precision rhythm training with configurable subdivisions, accent patterns, and a dedicated polyrhythm engine with four visualization modes.

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Scales & Harmonic Fluency

All major, minor, and modal scale forms. Chord voicings across inversions. Arpeggio patterns with configurable ranges and tempos.

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Ear Training

Interval recognition, relative pitch training, and chord identification. Systematic aural skill development with progressive difficulty.

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Intelligent Feedback

Session tracking, accuracy metrics, and progress visualization. Data that helps you practice with purpose β€” clear, actionable, and aligned with your goals.

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Educator Tools

Assignment management, student progress tracking, and structured curriculum support. Tools for teachers who value deliberate practice methodology.

Designed for Clarity

Clean interfaces. Minimal distraction. Every pixel serves the practice.

KeyForge Piano desktop β€” home screen
KeyForge Piano β€” macOS home screen
Scale practice on macOS
Scale practice with real-time feedback
Skill tree visualization
Structured skill progression

Built-In Reference Tools

Interactive music theory references β€” always one tap away, right inside the app.

Circle of Fifths reference tool
Circle of Fifths β€” interactive key relationships
Chord Chart reference tool
Chord Chart β€” every chord type with playback
Chord Progressions reference tool
Chord Progressions β€” common patterns in any key
Relative Keys and Modes reference tool
Relative Keys & Modes β€” all seven modes at a glance

Built Differently


Built by a lifetime musician and software engineer.
Designed for serious practice.
Guidance when you want it. Freedom when you don’t.
Every feature serves the music.

Who It's For

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Independent Musicians

Self-directed practitioners who value structured growth.

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Teachers

Educators who value systematic skill development.

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Adult Learners

Returning players and late starters who want real progress.

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Serious Students

Preparing for performance, exams, or professional work.

Fluency isn't given.

It's forged.

Download KeyForge Piano and KeyForge Metronome.

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