Best Omnichord Apps

38+ iOS apps curated and reviewed

4.2 avg rating

18 free apps

Updated May 2026

Out of 38+ omnichord apps on iOS, 18 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Compare top Omnichord Apps (May 2026)

#	App	Price	Rating	Ads	In-App Purchases	Updated
1	AutoArp	Free	4.3★ (26)	No	Yes	Aug 2026
2	Flynth - Synth & Arpeggiator	Free	4.3★ (55)	No	Yes	Sep 2026
3	Monovista	Free	4.8★ (67)	No	No	Jul 2026
4	Circle of Fifths	Free	4.9★ (222)	No	No	Jul 2026
5	AudioKit Synth One Synthesizer	Free	4.9★ (27K)	No	No	Sep 2026
6	C.ARP	$9.99	4.3★ (110)	No	No	Sep 2026
7	EGDR909 Drum Machine Lite	Free	4.2★ (121)	No	Yes	Sep 2026
8	Mellowsound - Vintage Sampler	Free	4.3★ (233)	No	Yes	Sep 2026

Top Picks for Omnichord

#1

AutoArp by Drew Milloy

The Strummable Synth

Editor's Choice

🎵 Music

4.3(26 ratings)

FreeIn-App Purchases

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This app transforms your device into a unique musical instrument, blending auto-harp and analog synth sounds. Select chords and strum to create retro-futuristic music. A free version offers basic functionality, with advanced features available via in-app purchase.

#2

Flynth - Synth & Arpeggiator by Fingerlab

AUv3, MIDI, Bass, Lead & Organ

Strong Contender

🎵 Music

4.3(55 ratings)

FreeIn-App Purchases

Flynth - Synth & Arpeggiator screenshot 1

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This versatile synthesizer app offers a wide range of sounds from leads to bass and pads. Create unique sounds by tweaking parameters or explore factory presets. It supports MIDI input, AudioUnit integration, and includes a built-in arpeggiator and effects for music production.

#3

Monovista by Coffeeshopped LLC

Worth Considering

🎵 Music

4.8(67 ratings)

Free

Monovista screenshot 1

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Monovista screenshot 5

Create music and captivating visuals simultaneously. Explore four unique instruments, loop and layer sounds, and interact with dynamic animations in real-time. This app offers a unique sensory experience for both auditory and visual creativity.

More Omnichord apps to explore

Circle of Fifths

Circle of Fifths

Circle of Fifths

Make better music now

Explore music theory with a visual representation of the 12 keys. Understand scales, compose chord progressions, and mix in key. Features color-coded relationships, key signatures, and sounded chords for each key.

Color-coded key relationshipsKey signature and triad displaySounded chords and arpeggios

AudioKit Synth One Synthesizer

AudioKit Synth One Synthesizer

AudioKit Synth One Synthesizer

Feature-packed Pro Synthesizer

This is a free, open-source professional synthesizer app for iOS devices. It offers over 300 presets, MIDI support, a sequencer, and vintage-inspired filters. Learn music production basics and create your own sounds.

Over 300+ PresetsMIDI SupportVintage-Style Sequencer

super music maker

This app offers a unique approach to music creation, inspired by vintage instruments. It allows users to play chords and melodies with intuitive touch controls, apply real-time audio effects, and utilize a dynamic rhythm section. Advanced features include sampling, MIDI output via Bluetooth, and an iPad-optimized interface.

Chord and melody playingReal-time audio effectsDynamic rhythm section

EGDR909 Drum Machine Lite

EGDR909 Drum Machine Lite

EGDR909 Drum Machine Lite

Vintage Drum Machine emulation

Emulates a vintage 80s drum machine with a realistic interface. Create your own beats or use presets, and integrate with other music apps. Unlock full functionality through in-app purchase.

Realistic 80s drum machine interface16-step sequencer with variable length48 programmable rhythm patterns

free with in-app purchases

Mellowsound - Vintage Sampler

Mellowsound - Vintage Sampler

Mellowsound - Vintage Sampler

AUv3 & MIDI Instruments

Experience the iconic sounds of a 1960s keyboard sampler with this app. It offers professional audio quality, allowing you to play vintage orchestra sounds on your device. Customize your sound with various effects and recording options.

Authentic Mellotron emulationProfessional 16-bit/44.1Khz audioPhoto-realistic user interface

free with in-app purchases

Reason Compact - Make Music

Reason Compact - Make Music

Reason Compact - Make Music

Your Pocket Music Studio

Create beats, melodies, and basslines with a powerful yet easy-to-use music studio in your pocket. Sketch song ideas on the go, experiment with instruments and effects, and connect with other music apps. Unlock more sounds and features as you progress.

Create beats from scratchDesign melodies and basslinesUse built-in synthesizers and effects

free with in-app purchases

World Piano Notes & Drum Beats

World Piano Notes & Drum Beats

World Piano Notes & Drum Beats

Synth Chords & Rhythm Machine

Explore global music with authentic instruments and rhythms from around the world. Create melodies with diverse scales, including microtonal options, and experiment with a traditional piano mode. Enhance your musical journey with premium sound packs and rhythm features.

Authentic world instrument soundsExtensive collection of world scalesRhythm library with beat import

Experience the realistic sound of an autoharp with intuitive chord buttons and strumming. Enhance your music with built-in effects and use it as a MIDI controller. Customize string and chord layouts for advanced control.

Realistic autoharp soundChord buttons and strummingBuilt-in chorus, delay, and reverb effects

free with in-app purchases

OIIIO – Lab Arpeggiator

OIIIO – Lab Arpeggiator

OIIIO – Lab Arpeggiator

Sound pattern machine

Explore a unique sound synthesis experience by manipulating particle behavior and creating intricate sound patterns. Discover new grooves and BPM settings, or utilize curated presets to craft your experimental soundscapes.

Sound collision generatorParticle behavior fine-tuningGroove and BPM settings

free with in-app purchases

by OPERATION MANAGEMENT ENTERPRISE, INC.

This app offers a dedicated communication channel for customers of a specific enterprise management service. It provides real-time notifications regarding the estimated arrival times of orders.

Real-time order arrival time remindersDedicated communication spaceCustomer-focused enterprise service

比巴-智慧健康听学

This app provides a high-quality music playback system and a comprehensive learning platform for children aged 0-12. It offers a vast array of educational content, including stories, songs, and language lessons, all accessible through a smart early education device. Parents can easily control playback and access curated content for various developmental stages.

Smart early education audio playbackComprehensive learning content (stories, songs, language)Parental control and remote playback

free with in-app purchases

Omniful Hub Operations

Omniful Hub Operations

Omniful Hub Operations

Omnicell CPMobile

Omnicell CPMobile

Omnicell CPMobile

by Omnicell, Inc.

This application assists with cycle counting inventory in central pharmacy settings. It streamlines the process of managing pharmaceutical stock for healthcare facilities.

Cycle counting inventoryCentral pharmacy managementPharmaceutical stock tracking

Commerce Cloud Essentials mPOS

🛍️ Shopping

by FAAST Sports

This app provides comprehensive information for sporting events, including schedules, standings, and notifications. It's designed for coaches, players, parents, and fans to stay connected and informed about every aspect of an event.

Quick team searchUp-to-the-minute schedulesLive standings and brackets

This cloud-based point of sale system facilitates a seamless omnichannel shopping experience. It allows customers to transition effortlessly between online and in-store purchases, adapting to modern consumer behavior.

Cloud-based POS systemSeamless omnichannel experienceAccommodates modern shopping habits

FAQ about Omnichord

What are the best omnichord apps for iPhone?

AutoArp tops our omnichord apps ranking as of May 2026, with a 4.3-star average from 26 App Store ratings, and it's free to download.

Are there free omnichord apps for iPhone?

Yes — 18 of the top omnichord apps we rank are free to download, including AutoArp and Flynth - Synth & Arpeggiator.

Does AutoArp have ads or in-app purchases?

AutoArp has no ads and offers in-app purchases, according to its App Store listing as of May 2026.

How many omnichord apps are on the App Store?

We track 38+ omnichord apps on the iOS App Store as of May 2026, ranked by rating, recency, and analysis of real user reviews.

What is AutoArp?

AutoArp is a musical instrument app that combines the functionality of a traditional auto-harp zither with an arpeggiated analog-style synthesizer. It allows users to select chords and strum virtual strings to create unique musical backing tracks with a retro-futuristic sound.

What are the key features of AutoArp?

Key features include strumming virtual strings to play selected chords, various synth waveforms (square, pulse, sawtooth), envelope controls, a resonant low-pass filter, tremolo and echo effects, and Audiobus support for inter-app audio. The paid version unlocks MIDI support, song sharing, and transposition.