Drum Charter

Drum Charter is a professional drum notation app for creating, editing, and playing drum charts using an intuitive text-based format. Perfect for drummers, music teachers, and composers who need a fast, distraction-free way to write drum patterns. KEY FEATURES * Text-Based Notation Simple ASCII symbols represent drums: 'x' for hi-hat, 'o' for snare, 'Q' for kick. Triplet notation with ³ symbol for advanced rhythms. Fast to type, easy to read. * Smart Symbol Palette Context-aware buttons show only relevant symbols based on cursor position. No accidental input errors. * Real-Time Audio Playback High-quality drum sounds powered by FluidR3_GM soundfont. Hear patterns instantly with professional MIDI-based playback. * Multi-Time Signature Support (NEW in v1.12) Full support for 4/4 (Common Time), 3/4 (Waltz), and 6/8 (Compound Time). UI picker for quick time signature changes. Write waltzes, jigs, and standard rock beats in one app. * Swing & Shuffle Support (v1.11) Authentic Jazz/Blues feel with standard swing notation. Write "Shuffle" for classic 67% swing, or specify 50-75%. UI button with 5 presets. Perfect for Jazz, Blues, and Shuffle grooves. * BPM Control via Metadata Set tempo directly in your chart with [140 BPM]. Range 60-200 BPM. Play at the exact speed you need. * Playback from Cursor Press ⌘P to play from cursor position. Perfect for practicing specific sections. * Smart Bar Management Auto-numbering up to 999 bars. Repeat notation (4x) for efficient charting. Move bars up/down. Section headers for song structure. * Practice Mode with Live BPM Dedicated practice environment with large BPM visualization and real-time tempo detection from MIDI e-drums. Visual metronome, target BPM slider (60-240), trend display. Perfect for building timing consistency. * Concert Mode with Playlists & Beat Grouping (NEW in v1.13) Full-screen performance view with large 22pt text on black background. Optional beat grouping background with alternating stripes (4-char groups for 4/4 and 3/4, 6-char groups for 6/8). Adjustable opacity (2-25%) for dark/light modes. Customizable via Settings. Perfect readability under stage lights. Load folders and navigate with arrow keys. Toggle between 4 and 6 bars per line. * Combination Symbols Three symbols for simultaneous Snare+Tom hits: p (Snare+Tom1), d (Snare+Tom2), g (Snare+FloorTom). Perfect for complex fills and ghost note patterns. * Enhanced Visual Styling Color-coded bar numbers, section headers, and repeat markers. Subtle rest styling for cleaner charts. Perfect monospaced alignment. * Multi-Column Export Export in 2, 4, 6, or 8 bars per line format. Optional "Replace rests with spaces" for LogicPro compatibility. * Universal App - iPhone, iPad, Mac Native experience on all devices with seamless iCloud sync. Start on iPhone, continue on iPad or Mac. * iPhone Optimized Split-screen layout with editor on top and compact keyboard-style palette at bottom. All drum symbols accessible via touch-optimized 42pt buttons. * iPad Optimized Landscape-optimized interface. All features accessible via symbol palette and Quick Actions. Full export preview. * Professional Tools 16-beat visual indicator during playback. Bar/beat display shows cursor position. Validation with helpful error messages. Comprehensive keyboard shortcuts. WHO IS THIS FOR? - Drummers learning new songs - Music teachers creating lesson materials - Composers sketching drum parts - Band members sharing arrangements - Anyone who prefers text over complex notation software PLATFORM SUPPORT - iPhone (iOS 15.0 or later) - iPad (iPadOS 15.0 or later) - Mac (macOS 12.0 or later, Apple Silicon and Intel) - Optimized for all screen sizes Perfect for drummers who want professional results without complexity. Create charts as fast as you can think.