RDPA — Musician Toolkit

APP TITLE
RDPA — Musician Precision Toolkit

SHORT DESCRIPTION (80 characters max)
Advanced tools for guitarists, composers & modern musicians.

FULL DESCRIPTION

RDPA is a precision-built toolkit for guitarists, composers, producers, and modern musicians who need fast, reliable answers during writing sessions, rehearsals, recording, and live performance.

Four specialized modules. Zero filler. No subscriptions. No internet required.

Built for progressive music, extended-range guitars, rhythmic composition, and technical musicianship.

FEATURES

TENSION MATRIX — String Tension Calculator
Calculate exact string tension using the same formulas trusted by luthiers and string manufacturers.

• Calculate tension by scale length, string gauge, and pitch
• Real-time tension meter visualization
• Status indicators:

* OPTIMAL
* FLOPPY
* SNAP RISK
• Ideal for alternate tunings, baritone setups, and 7/8-string guitars

POLY-CORE — Polyrhythm Visualizer
Visualize complex rhythmic relationships instantly.

• Generate synchronized polyrhythm grids
• Supports rhythmic divisions from 2 to 16
• Live timeline recalculation
• Sync-point markers for rhythmic resolution
• Perfect for progressive composition and rhythm practice

METRIC MOD — Metric Modulation Calculator
Calculate seamless tempo transitions without breaking creative flow.

• Convert rhythmic values into new BPM automatically
• Supports dotted notes and triplet subdivisions
• Designed for composers, drummers, and producers
• Useful for click-track programming and tempo mapping

FRET-KULT — Scale Architect
Interactive 24-fret fretboard built for modern guitar players.

• Full-neck scale visualization
• Support for 6-, 7-, and 8-string tunings
• Root note highlighting
• Multiple scale types:

* Major
* Natural Minor
* Minor Pentatonic
* Harmonic Minor
* Phrygian Dominant
* Diminished
* Whole Tone

SUPPORTED TUNINGS

• Standard
• Drop D
• Standard 7
• Drop A
• Standard 8
• Drop E

BUILT DIFFERENT

RDPA is designed for visibility under stage lights, in dark studios, and during real-world sessions.

• No subscriptions
• No accounts
• No cloud dependency
• Offline functionality
• Fast local calculations
• Clean brutalist interface

Open the app. Get the answer. Go back to making music.