KB-1 Keyboard Suite

Name: KB-1 Keyboard Suite
Price: 14.99 USD
Rating: 4.8 (269 reviews)
Author: Kai Aras

By: Kai Aras

Expressive MIDI Controllers

Features & Capabilities

KB-1 MIDI Keyboard Suite is a versatile collection of expressive virtual keyboards and controllers designed for musicians and producers. It supports MIDI Polyphonic Expression (MPE), scales, chords, strumming, and a powerful arpeggiator, all in a standalone setup with dedicated MIDI outputs per keyboard.

Choose from 8 keyboard layouts (Classic, Uniform, String, Scale, Chord, Drum, XY, CC) and enjoy features like AUv3 MIDI plugin, multi-keyboard operation, Inter-App MIDI, USB MIDI, BLE MIDI, and more for versatile studio and live performances.

User Growth & Download Statistics

App Music & Audio

By:

Kai Aras

Rating:

4.80

(269) 1 new ratings

Version:

1.3.7 Last updated: 2025-10-14

Version code:

878905235

Creation date:

2018-11-20

Compatible devices:

Size:

38.22MB

Price:

14.99

URLs:

Website ,Privacy policy

Full description:

Source:

Apple Apps Store

Data ingested on:

2026-06-15

Compare stats and ranking:

Ranking

# 100,223 ▼ 100

For Developers

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Contact the developer

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Developed by:

Kai Aras

Apple Apps Store

https://apps.apple.com/us/app/kb-1-keyboard-suite/id1437919435

Website:

http://numericalaudio.com/kb1

User Reviews

KB-1 Keyboard Suite is praised for its MPE-enabled, expressive control and broad DAW compatibility, including Ableton, AUM, BeatMaker 3, and Korg Gadget, plus a built-in six-octave on-screen keyboard that’s ideal for travel. Reviewers also appreciate its travel-friendly design and the ability to work as a standalone or AUv3 controller. However, several cite stability and compatibility problems across hosts (crashes, black screens, no sound in some apps), inconsistent scale mappings, and a lack of documentation. With improvements in polish, scale accuracy, and guidance, it could live up to its potential.

Pros

MPE-enabled with Roli-style expressive control and slide gestures.
Broad DAW/AUv3/standalone compatibility (Ableton, AUM, BeatMaker 3, Korg Gadget) for flexible workflows.
Built-in on-screen six-octave keyboard for portable note input.
Travel-friendly design that reduces gear when working on the road.

Cons

Stability issues: crashes, freezes, and black screens across AUM, Logic, Cubasis, and standalone.
Incorrect scales/mapping: major/minor scale mismatches and mislabelled scales.
Inconsistent host compatibility: some apps (e.g., Cubasis) produce no sound or fail to recognize KB-1 as an AUv3 host.
Lack of documentation/tutorials; steep learning curve.

Recent reviews

The interface is cramped. I wish you could hide everything but the keys and drum pads to make more space. There’s an odd visual glitch where the drop shadow of each key permanently disappears as you play them. Also, I wish you could set it to default to an output so you don’t have to select it for each controller every time. It’s lacking a lot of polish for such an expensive app. I don’t know how this got so highly rated in its current condition.

by Bl*****, 2026-03-12

Can’t use this to have my 6 year old practice piano on my iPad while traveling. No audio output.

by Du*****, 2025-11-10

It just doesn’t seem to work. Using it in AUM it won’t do anything and then it crashes. In stand alone it won’t connect to any other apps. I was excited for this keyboard and it’s a bummer it’s broken.