PunchKit is a local-first workflow companion for the Teenage Engineering EP-133 K.O. II, EP-1320 Medieval, and EP-40 Riddim. Build kits, manage samples, record and process audio, separate stems, perform live effects, and keep dependable backups from your iPhone or iPad. OFFLINE KIT BUILDER - Build and save 12-pad kits without connecting an EP - Choose a folder from Files, browse and preview samples, then assign them to pads - Edit samples before upload when they need trimming or conversion for EP limits - Import, export, duplicate, rename, and share kit archives - Connect later to upload a complete kit to a chosen project and group DEVICE AND SAMPLE MANAGEMENT - Automatically detect compatible EP devices over USB MIDI - Browse projects, groups, pads, assignments, sounds, and memory slots - Search and sort the sample library, and hold a sound to preview it - Upload or replace sounds from Files, takes, separated stems, or saved kits - Send samples to pads, free slots, banks, or exact slots through one workflow RECORD, EDIT, AND PUNCH - Record from the built-in microphone or compatible USB audio inputs in WAV or M4A - Use signal-activated recording to capture audio only when sound is present - Monitor processed USB audio live with adjustable level and latency modes - Trim recordings with waveform-based preview and playback controls - Keep original and rendered versions together in versioned take packages - Shape audio with bitcrusher, EQ, filters, tape, vinyl, dynamics, and sampler-inspired 404, 303, and 202 profiles - Perform stackable Color and tempo-synced Motion effects with Direct or XY controls - Build a custom 12-slot Punch It page from your favorite effects - Follow live or saved-take tempo automatically, with editable BPM and tap correction - Bundle a take with its EP project for a self-contained backup LOCAL STEM SEPARATION - Separate a take into vocals, drums, bass, and other - Choose Fast, Balanced, or Best quality - Download the optional model once, then process locally on your device - Mix stems with individual level, mute, solo, waveform, and playback controls - Save, share, or bounce stems and mixes, or upload a stem directly to an EP pad BACKUP AND RESTORE - Back up a bank, project, or everything on your EP - Include assigned samples or create complete device archives - Restore compatible PunchKit backups when needed - Keep, share, and restore existing backups without Pro MADE FOR IPHONE AND IPAD - Adaptive portrait and landscape layouts - Expanded iPad-friendly workspaces - System, Light, and Dark appearances - K.O.2, Riddim, and Medieval-inspired color themes FREE TO START, PRO FOR UNLIMITED WORKFLOWS PunchKit is free to download. Connecting, browsing, previewing, playing, sharing, renaming, deleting, restoring backups, and using existing files remain available without limits. The free tier includes: - Up to three stored takes - One saved kit and one complete kit upload - Three successful sample writes - One stem separation - One bank backup, one project backup, and one complete-device backup One optional Lifetime Pro purchase removes these workflow limits. There is no subscription, and PunchKit Pro supports Apple Family Sharing. People who first downloaded PunchKit before version 1.3 receive Lifetime Pro automatically. LOCAL-FIRST BY DESIGN PunchKit has no account, advertising, analytics, or tracking system. Audio and EP content stay under your control. Issue reports are sent only when you choose, with optional redacted diagnostics that exclude audio, samples, projects, and filenames. PunchKit is built for sound design, performance, recording, kit creation, and dependable backup - so you can spend more time making music. DISCLAIMER PunchKit is an independent app and is not affiliated with or endorsed by Teenage Engineering.