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Best apps like BK-9 Performance Editor

7+ similar apps compared and reviewed

4.3 avg rating
6 free apps
Updated August 2026
BK-9 Performance Editor
BK-9 Performance Editor
Roland Corporation
🎬 Entertainment
🎵 Music

BK is great, but it's not the only option. Explore 7+ similar apps for iPhone and iPad, each reviewed and rated by real users. Find free alternatives, premium upgrades, and hidden gems.

Top Alternatives to BK

KORG iM1#1

KORG iM1 by KORG INC.

90's Synthesizer
Editor's Choice
🎵 Music
4.7😊(1K ratings)
$29.99In-App Purchases
KORG iM1 screenshot 1
KORG iM1 screenshot 2
KORG iM1 screenshot 3
KORG iM1 screenshot 4
KORG iM1 screenshot 5

This app faithfully reproduces the legendary M1 synthesizer, offering its iconic sounds and expanded features for modern music creation. It provides a vast library of presets and intuitive performance tools, making it accessible to both experienced musicians and beginners.

What We Love

  • 👍 Authentic M1 sound reproduction
  • 💰 Great value for money
  • 🎹 Faithful recreation of the original hardware
  • 🎨 Powerful sound customization options

Room to Improve

  • 🐛 Occasional crashes or stability issues
  • 🔇 Low output volume compared to other apps
  • 🤔 Confusing UI for patch editing and saving
iGrand Piano CS for iPad#2

iGrand Piano CS for iPad by IK Multimedia US, LLC

Strong Contender
🎵 Music
3.2(34 ratings)
FreeIn-App Purchases
iGrand Piano CS for iPad screenshot 1
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iGrand Piano CS for iPad screenshot 5

Experience concert-quality grand and upright pianos with ultra-realistic sound and built-in recording. Edit and save custom variations, connect external keyboards, and compose anywhere. Expand your library with additional instrument packs.

AudioKit FM Player 2: DX Synth#3

AudioKit FM Player 2: DX Synth by Audiobus Pty Ltd

Explore Classic iDX Sounds
Worth Considering
🎵 Music
4.8😊(3.3K ratings)
FreeAdsIn-App Purchases
AudioKit FM Player 2: DX Synth screenshot 1
AudioKit FM Player 2: DX Synth screenshot 2
AudioKit FM Player 2: DX Synth screenshot 3
AudioKit FM Player 2: DX Synth screenshot 4
AudioKit FM Player 2: DX Synth screenshot 5
AudioKit FM Player 2: DX Synth screenshot 6

This app offers a classic 80s FM synth experience with a vast library of sounds, effects, and sequencing capabilities. It's designed for musicians and producers to explore award-winning tones and create music on their iPad.

What We Love

  • 🎹 Excellent DX7 emulation
  • 👍 Easy to use interface
  • 💯 Fantastic sound quality
  • 🎨 Highly customizable

Room to Improve

  • 🐛 Crashes and stability issues
  • 🔌 Battery drain problems
  • 🔇 Occasional audio glitches

More apps like BK

4
Numa Player
Numa Player
Numa Player
Multi-Core. Multizone
Free

This virtual instrument offers a multitimbral sound engine optimized for multi-core CPUs, providing low latency and high polyphony. It allows for flexible zone management, extensive sound libraries, and integrated effects for live performances and studio use.

Multitimbral Instrument PlayerCross-Platform (macOS, Windows, Linux, iOS)Standalone or Plugin mode
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free with in-app purchases
5
KORG Module
KORG Module
KORG Module
Professional Piano & Keyboard
Free

This app offers professional piano and keyboard sounds for mobile devices. The free version provides access to high-quality piano sounds, with options to unlock more sound libraries and features through in-app purchases or by connecting Korg MIDI controllers.

High-quality piano and keyboard soundsCustomizable sound sets with over 30 librariesAUv3 support
🎵 Music
(772)
free with in-app purchases
6
King of FM: DX Synth/E Piano
King of FM: DX Synth/E Piano
King of FM: DX Synth/E Piano
#1 DX7 Sounds & Electric Piano
Free

Experience classic 80s FM synthesizer and electric piano sounds with over 300 unique presets. This app offers professional-grade audio, extensive layering for expressiveness, and a full suite of effects. It functions as a standalone app and an AUv3 plugin for music production hosts.

300+ unique synth instrument soundsDX7 and SY77 inspired presets20+ layers for expressive sounds
🎵 Music
(1.7K)
free
7
Patch Base
Patch Base
Patch Base
Edit your hardware synths.
Free

This app allows users to visualize, edit, and organize patches for a wide range of hardware synthesizers. It offers real-time parameter editing, patch bank management, and the ability to create random or initial patches. Users can also test sounds with an on-screen keyboard.

Visualize synth patchesReal-time parameter editingManage patch banks
🎵 Music
(85)
free with in-app purchases
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