---
title: "Best Friend for K.O. II - Reviews, Revenue and Downloads in United States | Apple App Store"
description: "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"
---

# Best Friend for K.O. II — United States
> App for EP-133, EP-40, EP-1320

![Best Friend for K.O. II App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple221/v4/7e/70/83/7e7083c3-de9c-dbac-5218-43684360fa06/AppIcon-0-0-1x_U007epad-0-1-0-85-220.png/400x400bb.png)

**Developer:** [Brian Holt](https://apptail.io/developer/brian-holt-WTKQqc)
**Category:** Music
**Rating:** 5.0/5 (21 ratings)
**Price:** $9.99
**Bundle ID:** bholtbholt.Studio-133
**Store:** Apple App Store
**Country:** United States
**Version:** 3.1 (released 2026-09-22)
**Original Release:** 2026-07-03

**App Store Link:** [Download on Apple App Store](https://apps.apple.com/us/app/app/id6782250723)
**AppTail Page:** [https://apptail.io/app/best-friend-for-ko-ii-KtHA/united-states](https://apptail.io/app/best-friend-for-ko-ii-KtHA/united-states)

## Best Friend for K.O. II Description
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.

Scenes:
- See all notes across all banks in a Scene or Song
- See fader automation lanes for each bank
- Export REAL audio stems of every individual pad directly from your EP
- Navigate through the Scene timeline with automatic playhead following

Bounce and Export Audio Stems:
- Export REAL audio stems directly from the hardware WITHOUT AI separation for any Scene or Song
- Choose from every individual pads (all 48), group mixdowns, or stereo mixdowns
- 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

Sample Editing:
- Extract stems (drum, bass, vocal, guitar, and other instrument) from your samples
- Build and edit 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

Hardware Management:
- Bulk upload samples from your Files and Videos
- Bulk move, share, and delete samples
- Edit and replace samples in place
- Backup your Project or entire System
- Import Project and System from the official EP Sample Tool
- Extract Projects from your System Backups
- Preview stereo mixes of your Project Backups
- Save Bank Snapshots to share and recall later
- Automatic iCloud syncing across your Apple devices

Pads:
- Mute and unmute individual pads
- Apply performance effects to individual pads: mute, pitch up, pitch down, reverse
- 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:
- 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.

## Best Friend for K.O. II Screenshots
- [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/54/83/aa/5483aa2e-62ab-c5c2-da75-702988558a50/iPhone_3.jpg/1284x2778.png)
- [Screenshot 2](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/6e/5c/37/6e5c377a-090e-c333-83e2-4d35d7fe329a/iPhone_2.jpg/1284x2778.png)
- [Screenshot 3](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/45/d6/ea/45d6eac8-3745-b21b-883b-e45e90f6172e/iPhone_7.jpg/1284x2778.png)
- [Screenshot 4](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/df/d8/de/dfd8deb6-2043-3beb-0992-2a7c78888f5a/iPhone_8.jpg/1284x2778.png)
- [Screenshot 5](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/e7/e6/6e/e7e66e02-2297-7e07-92e2-94708d4a191f/iPhone_4.jpg/1284x2778.png)
- [Screenshot 6](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/4b/35/ad/4b35ad85-3b1e-e80f-9c27-1d006eee9b0d/iPhone_5.jpg/1284x2778.png)
- [Screenshot 7](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/67/3a/dd/673add74-df38-f09a-a96b-67379600dc83/iPhone_6.jpg/1284x2778.png)
- [Screenshot 8](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/b7/cd/da/b7cdda29-5242-1c1f-304b-c6de91453bfd/iPhone_9.jpg/1284x2778.png)
- [Screenshot 9](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/8b/64/8e/8b648e87-a342-0b40-773d-021b31355fcc/iPhone_1.jpg/1284x2778.png)
- [Screenshot 10](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/ba/9a/11/ba9a1129-30f5-8886-baf1-abd13294eb11/iPhone_10.jpg/1284x2778.png)

## Best Friend for K.O. II Rating Breakdown in United States
- 5 stars: 20 (95%)
- 4 stars: 1 (5%)
- 3 stars: 0 (0%)
- 2 stars: 0 (0%)
- 1 stars: 0 (0%)

## Best Friend for K.O. II Reviews in United States

### ***** "Best Friend for my EP 133"
Really liking the layout. So far it has been very easy to navigate. Still playing around and discovering but so far this has been very helpful as I am learning how to use EP133 KO II
-- moodyRussian, 2026-08-29

### ***** "Works great!"
Very happy to not have to have a laptop nearby to make adjustments to the ko2!
-- fuenciso_, 2026-07-09

[View all Best Friend for K.O. II reviews and detailed analytics on AppTail](https://app.apptail.io/signup?utm_campaign=ai-crawl&utm_content=reviews)


## Best Friend for K.O. II Store Rankings
| Chart | Country | Category | Rank |
|-------|---------|----------|------|
| Top Paid | Netherlands | Music | #7 |
| Top Paid | Romania | Music | #8 |
| Top Paid | Switzerland | Music | #9 |
| Top Paid | Finland | Music | #9 |
| Top Paid | Malaysia | Music | #11 |
| Top Paid | United States | Music | #14 |
| Top Paid | Portugal | Music | #14 |
| Top Paid | Thailand | Music | #18 |
| Top Paid | France | Music | #19 |
| Top Paid | Japan | Music | #20 |
| Top Paid | Germany | Music | #28 |
| Top Paid | Colombia | Overall | #31 |
| Top Paid | South Korea | Music | #33 |
| Top Paid | Finland | Overall | #34 |
| Top Paid | Austria | Music | #35 |
| Top Paid | United Kingdom | Music | #44 |
| Top Paid | Azerbaijan | Music | #55 |
| Top Paid | Canada | Music | #56 |
| Top Paid | Netherlands | Overall | #62 |
| Top Paid | Italy | Music | #66 |
| Top Paid | Kazakhstan | Music | #72 |
| Top Paid | Romania | Overall | #82 |
| Top Grossing | Finland | Music | #85 |
| Top Paid | Ukraine | Music | #102 |
| Top Paid | Malaysia | Overall | #103 |
| Top Paid | Australia | Music | #126 |
| Top Paid | Portugal | Overall | #135 |
| Top Paid | United States | Overall | #143 |
| Top Paid | France | Overall | #167 |
| Top Paid | Poland | Music | #172 |
| Top Paid | Japan | Overall | #182 |
| Top Paid | Indonesia | Music | #216 |
| Top Paid | Argentina | Music | #220 |
| Top Paid | Israel | Music | #232 |
| Top Paid | Sweden | Music | #245 |
| Top Paid | Czechia | Music | #246 |

## Best Friend for K.O. II Discovered Keywords
- best friend for ko ii


## Best Friend for K.O. II Available In
- [United States](https://apptail.io/app/best-friend-for-ko-ii-KtHA/united-states)
- [United Kingdom](https://apptail.io/app/best-friend-for-ko-ii-KtHA/united-kingdom)
- [Netherlands](https://apptail.io/app/best-friend-for-ko-ii-KtHA/netherlands)
- [Sweden](https://apptail.io/app/best-friend-for-ko-ii-KtHA/sweden)
- [Austria](https://apptail.io/app/best-friend-for-ko-ii-KtHA/austria)
- [Argentina](https://apptail.io/app/best-friend-for-ko-ii-KtHA/argentina)
- [Chile](https://apptail.io/app/best-friend-for-ko-ii-KtHA/chile)
- [South Korea](https://apptail.io/app/best-friend-for-ko-ii-KtHA/south-korea)
- [New Zealand](https://apptail.io/app/best-friend-for-ko-ii-KtHA/new-zealand)
- [Indonesia](https://apptail.io/app/best-friend-for-ko-ii-KtHA/indonesia)
- [Israel](https://apptail.io/app/best-friend-for-ko-ii-KtHA/israel)
- [Ukraine](https://apptail.io/app/best-friend-for-ko-ii-KtHA/ukraine)
- [Kuwait](https://apptail.io/app/best-friend-for-ko-ii-KtHA/kuwait)
- [Kazakhstan](https://apptail.io/app/best-friend-for-ko-ii-KtHA/kazakhstan)
- [Malaysia](https://apptail.io/app/best-friend-for-ko-ii-KtHA/malaysia)
- [Denmark](https://apptail.io/app/best-friend-for-ko-ii-KtHA/denmark)
- [Azerbaijan](https://apptail.io/app/best-friend-for-ko-ii-KtHA/azerbaijan)
- [Peru](https://apptail.io/app/best-friend-for-ko-ii-KtHA/peru)
- [Philippines](https://apptail.io/app/best-friend-for-ko-ii-KtHA/philippines)
- [Romania](https://apptail.io/app/best-friend-for-ko-ii-KtHA/romania)
- [Switzerland](https://apptail.io/app/best-friend-for-ko-ii-KtHA/switzerland)
- [Singapore](https://apptail.io/app/best-friend-for-ko-ii-KtHA/singapore)
- [Thailand](https://apptail.io/app/best-friend-for-ko-ii-KtHA/thailand)
- [Taiwan](https://apptail.io/app/best-friend-for-ko-ii-KtHA/taiwan)
- [Finland](https://apptail.io/app/best-friend-for-ko-ii-KtHA/finland)
- [Greece](https://apptail.io/app/best-friend-for-ko-ii-KtHA/greece)

---

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