Best Isomorphism Apps & Games

8+ iOS apps & games curated and reviewed

4.6 avg rating

6 free apps & games

Updated October 2026

The best isomorphism apps and games on iPhone average 4.6★ across 8+ titles — we've ranked them by what real users actually keep on their phones. Updated October 2026.

Compare top Isomorphism Apps & Games (October 2026)

#	App	Price	Rating	Ads	In-App Purchases	Updated
1	Isomorphic Keyboard	Free	3.5★ (4)	No	No	Oct 2026
2	Hex MIDI: Isomorphic Keyboard	Free	—	No	Yes	Oct 2026
3	Musix Pro - MIDI Controller	$9.99	4.6★ (136)	No	No	Oct 2026
4	Hoverophone: Theremin Synth	Free	4.5★ (4)	No	No	Nov 2026
5	MPEdie - MPE Controller	Free	4.9★ (9)	No	No	Nov 2026
6	24-TET Keys: Microtonal MIDI	Free	4.6★ (5)	No	No	Oct 2026
7	Isotope MIDI Keyboard	$6.99	4.9★ (10)	No	No	Oct 2026
8	Unshuffle	Free	5.0★ (9)	No	Yes	Nov 2026

Top Picks for Isomorphism

Isomorphic Keyboard by Nci Technology Inc.

A hexagonal world.

Editor's Choice

🎵 Music

3.5(4 ratings)

Free

Experience a unique hexagonal keyboard layout for music creation. This app recreates the playing experience of a Lumatone keyboard and supports custom soundfonts for diverse sonic possibilities.

Hex MIDI: Isomorphic Keyboard by Trung Dung Hoang

Microtonal & Xenharmonic Synth

Strong Contender

🎵 Music

0.0(0 ratings)

FreeIn-App Purchases

Hex MIDI: Isomorphic Keyboard screenshot 1

Hex MIDI: Isomorphic Keyboard screenshot 2

Hex MIDI: Isomorphic Keyboard screenshot 3

Hex MIDI: Isomorphic Keyboard screenshot 4

Hex MIDI: Isomorphic Keyboard screenshot 5

Hex MIDI: Isomorphic Keyboard screenshot 6

Musix Pro - MIDI Controller by Shiverware

Isomorphic Music Instrument

Worth Considering

🎵 Music

4.6(136 ratings)

$9.99

Musix Pro - MIDI Controller screenshot 1

Musix Pro - MIDI Controller screenshot 2

Musix Pro - MIDI Controller screenshot 3

Musix Pro - MIDI Controller screenshot 4

Musix Pro - MIDI Controller screenshot 5

Musix Pro - MIDI Controller screenshot 6

This app offers an intuitive musical instrument and MIDI controller with an isomorphic layout that arranges notes based on harmonic relationships. It allows users of all skill levels to explore music theory, create melodies easily, and connect with DAWs and synthesizers.

More Isomorphism apps to explore

Hoverophone: Theremin Synth

Hand-Played Drone Pad

Free

This app reimagines the theremin for your iPhone, allowing you to play music by waving your hands in the air without touching the screen. It offers a polyphonic synthesizer with various sound options and microtonal capabilities for unique musical exploration.

Air-based theremin playing with front camera hand trackingPolyphonic synthesizer with multiple voice optionsMicrotonal keyboard with 12-TET or 24-TET quarter tones

🎵 Music

(4)

free

MPEdie - MPE Controller

Expressive MIDI keyboard, AUv3

Free

This app is an expressive MIDI keyboard controller for mobile devices. It allows for detailed per-note expression, enabling unique sound manipulation. It can be used standalone or as an AUv3 plugin with other music applications.

MPE keyboard controllerPer-note MIDI channel controlFour playing surfaces (Piano, Isomorphic, Ribbon, Scale Grid)

🎬 Entertainment

(9)

free

24-TET Keys: Microtonal MIDI

Quarter Tones on a Keyboard

Free

Explore microtonal music with a virtual keyboard that plays notes between standard semitones. Hear quarter tones instantly, send them as MIDI to your DAW, and discover unique keyboard layouts that morph into each other.

Microtonal keyboard for quarter tonesMIDI output to DAWsMorphing keyboard layouts

🎵 Music

(5)

free

Isotope MIDI Keyboard

by Jaewon Choi

$6.99

This app offers an intuitive and accessible way to play music and learn music theory. Its unique isomorphic grid layout simplifies chord playing and understanding note relationships, making it ideal for both beginners and experienced musicians.

Isomorphic grid layout for intuitive playingBuilt-in Element sound engineAudio Unit v3 plugin support

A relaxing puzzle game designed to provide a mental challenge without frustration. Immerse yourself in a journey of tangled puzzles, perfect for both quick breaks and extended play sessions. Enjoy a comfortable and flowing gameplay experience.

Relaxing puzzle gameplayChallenging yet not frustratingImmersive experience

🎮 Games

(9)

free

FAQ about Isomorphism

What are the best isomorphism apps & games for iPhone?

Isomorphic Keyboard tops our isomorphism apps & games ranking as of October 2026, with a 3.5-star average from 4 App Store ratings, and it's free to download.

Are there free isomorphism apps & games for iPhone?

Yes — 6 of the top isomorphism apps & games we rank are free to download, including Isomorphic Keyboard and Hex MIDI: Isomorphic Keyboard.

Does Isomorphic Keyboard have ads or in-app purchases?

Isomorphic Keyboard has no ads and has no in-app purchases, according to its App Store listing as of October 2026.

How many isomorphism apps & games are on the App Store?

We track 8+ isomorphism apps & games on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.