Aquadrum Pro

Aquadrum Pro — Scale Explorer & Tuner for Tongue Drums

Aquadrum Pro maps any scale to your 11-tongue drum instantly. Browse 1,914 scales from musical traditions around the world, hear how they sound, and see exactly which notes go where on your instrument.

SCALE LIBRARY
• 1,914 scales across 6 note counts (4 to 9 notes)
• Western, World, Symmetrical, Modal, and more
• Search by name or browse by category
• Tap to preview any scale before committing

VOICING ENGINE
• Automatically generates every playable voicing for your drum
• Swipe through variants to find the tuning you like
• Color-coded root and changed notes for easy comparison

BUILT-IN CHROMATIC TUNER
• Detects the pitch of each tongue in real time
• Shows cents sharp or flat from the target note
• Perfect for manual tuning and verification

PITCH SET BUILDER
• Build custom scales interval by interval
• Tap any interval to hear it instantly
• Name and save your own creations

INTERACTIVE DRUM FACE
• Tap tongues to hear notes with a soft vibraphone tone
• Key Map overlay shows physical key ranges
• Visual feedback for root notes and changes between variants

FREE & PRO
Free: 5-note scales, 2 root keys (D, G), 5 voicing variants
Full Unlock: all 1,914 scales, all 12 root keys, unlimited variants

No ads. No subscriptions. One-time purchase unlocks everything.