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.