1. MIDI & OSC Controller Use MidiOscButton to control QLab, Ableton, TouchDesigner, OBS or any other OSC-capable software directly from your iPhone or iPad. Create up to 8 customizable buttons sending MIDI notes or OSC messages. • Send MIDI notes via Apple Network-MIDI • Send OSC Messages • Customize button colors, names & channels • Save and load Button layouts • Haptic feedback on press (Iphone) 2. Integrated PDFNoteViewer Open, read and annotate PDF documents directly inside the app – ideal for cue lists, scripts or musical scores. • Add notes & highlights • Adjust color, font size & position • DarkRead Mode for night use • Read Mode prevents unwanted edits • Automatic backup (LastOpened.pdf) • Export or print annotated PDFs 3. All in One App For theatre, rehearsals, lighting control, music performance, or AV production – MidiOscButton combines reliable control and visual clarity in one elegant interface. Highlights • Multi-button controller for MIDI/OSC • MIDI - Keyboard • PDF annotation and highlight tools • Smart page overlay and zoom behavior • Dark-mode PDF reading • Automatic session restore