Grothm
Rhythm Practice & Progress
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Free
In-App Purchases
About
Grothm: Cyber Rhythm Practice System & Pro Metronome
Built for musicians who practice with purpose.
[Why Grothm?]
Plan-Driven Practice
Organize your routines into structured training plans, including warm-ups, rudiments, speed, technique, and repertoire. Use multiple automatic tempo modes to support progressive training.
Practice Data Center
Automatically record every session, including practice time, tempo, goals, and completion history. Review growth curves and time-range analysis to understand your progress.
Cyberpunk Experience
A focused cyberpunk interface brings clarity, immersion, and a sense of mission to every practice session.
Professional Metronome
A high-precision audio engine supporting advanced subdivisions, dotted notes, automatic tempo changes, and speeds up to 350 BPM.
[Our Commitment]
Privacy First
All data is stored locally. No account or internet connection is required.
Zero Ads
No interruptions. Just focused practice.
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What's New in Grothm
2.1
August 1, 2026
Version 2.1 brings a major upgrade to the training experience: • New landscape layouts for Free Exploration and Training Execution • A redesigned Data Center with exportable training reports • Expanded Training Dossier stats for today, totals, sessions, and active days • Continuous record accumulation for the same Free Exploration project • Five metronome sound sets • Optional speed-change cues and a training-completion sound • A personalized System Message unlocked through consistent practice • Improved audio recovery, timing accuracy, report generation, and overall stability
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In-App Purchases
$4.99
Grothm Pro
Unlock all premium features and themes