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Best Friend for K.O. II

by Brian Holt
Pay once $9.99 4.9 · 56 ratingsiPhone & iPad
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About Best Friend for K.O. II

Best Friend is the unrivaled companion app for Teenage Engineering EP-Series Samplers. Connect your EP-133, EP-40, or EP-1320 via USB-C to manage your hardware, upload and edit new files, and see your pad settings.

Best Friend is an extended display and feature augmentation app for the physical EP-133, EP-40, or EP-1320. Connecting to one of these is REQUIRED for the app to function. Use a USB-C to USB-C cable. Lightning iPhones and iPads can connect with USB-IF certified USB-A to USB-C cable and a MFi-certified Lightning to USB adapter.

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Scenes:

- See all notes across all banks in a Scene or Song

- See all notes and all patterns for a selected Group

- See Fader FX and automation lanes for each Group

- Export REAL audio stems of every individual pad from your EP

- Navigate through the Scene timeline with automatic playhead following

Bounce and Export Audio Stems:

- Export REAL audio stems from the hardware WITHOUT AI separation for any Scene or Song

- Choose from every individual pads (all 48), group mixdowns, or stereo mixdowns

- Use Real-time bounces to capture performances, Supertone, and effects

- All real-time captures are MIDI-sync'd

- Fader automation is included in the export

- Export MIDI data from a Scene or Song

- Bring your bounces into your DAW of choice for mixing

MIDI Controller:

- Build rich chords with a button. Pick major, minor, suspended, or diminished triads then add a 6th, 7th, or 9th for flavour

- Play the velocity-sensitive keyboard

- Arpeggiator with 4 modes, 6 rates, and 3 octaves synced to the hardware clock

- Configure your own custom chords to any of the Chord or Extension buttons

- Split each key into 1-3 zones for playing chords in alternate positions

- Add pitch bends or modulation to any chord

- iPad and MacOS support Logic Pro-style Musical Typing

Sample Editing:

- Extract stems (drum, bass, vocal, guitar, and other instrument) from your samples

- Build, edit, and convert multi-samples on the EP-1320 or EP-40

- Use Repitch to reduce the file size

- Permanent cropping

- Increase volume with normalize

- Reverse playback

- Convert stereo to mono

- Change sample rate

- Apply effects: 3-band EQ; compression; distortion and saturation; octaver; phaser; chorus; tremolo; delay; and reverb

- Automatically detect and set the key

- Save default pad settings

Backups:

- Build Kits and Bank Snapshots while disconnected from the hardware

- Backup your Project or entire System

- Browse your backups to see and hear what it contains

- Restore portions of your backup: a single pattern, a couple samples, a scene, and more

- Import Project and System from the official EP Sample Tool

- Extract Projects from your System Backups

- Preview stereo mixes and make Bounces of your Project Backups

- Import and record MIDI files and patterns

Hardware Sample Management:

- Bulk upload samples from your Files and Videos

- Bulk move, share, and delete samples

- Edit and replace samples in place

- Record audio directly to your iPhone, iPad, or Mac to process before importing

- Keyboard support on iPad and macOS

Pads:

- Mute and unmute individual pads

- Apply performance effects to individual pads: mute, pitch up, pitch down, reverse

- Change Pad Settings for multiple pads at once

- Copy a pad and its settings to another

- Chop a sample across pads in equal chops, transient chops, or lazy mode

- Drag and drop pads to reassign them across groups

- See an entire bank of samples at once

- See the sample waveform along with its name and length

- See and edit the trim, attack, and release windows

- See and adjust volume, pitch, pan, mute, play mode, time-stretch, and MIDI channel

- See Supertone settings on your EP-40

Universal support:

- Automatic iCloud syncing across your Apple devices

- works on iPhone, iPad, and MacOS with built-in iCloud syncing

- works with EP-133 K.O. II, EP-40 Riddim, and EP-1320 Medieval with dedicated themes for each device

Best Friend is not affiliated with Teenage Engineering in any way.

How it charges

Pay once $9.99

Paid once — $9.99 — with no in-app purchases.

The store lists no in-app purchases.

Checked against the store listing on Oct 29, 2026. Something wrong? Tell us

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