Best Modular Synth App

199+ iOS apps curated and reviewed

4.7 avg rating
13 free apps
Updated June 2026

Finding the right modular synth app can be overwhelming with so many options. We've analyzed 199+ apps to bring you the best choices for 2026, from free options to premium solutions with advanced features.

Compare top Modular Synth App (June 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Audulus 4Audulus 4Free was $19.994.6★ (57)NoYesJul 2026
2KlankwelleKlankwelleFree4.7★ (37)NoNoMay 2026
3Animoog Z SynthesizerAnimoog Z SynthesizerFree4.8★ (1.1K)YesYesJul 2026
4AudioKit Synth One SynthesizerAudioKit Synth One SynthesizerFree4.9★ (27K)NoNoJul 2026
5miRackmiRack$14.994.9★ (666)NoYesJul 2026
6Mynth - Polyphonic SynthesizerMynth - Polyphonic SynthesizerFree4.8★ (44)NoYesJun 2026
7SunVoxSunVox$5.994.9★ (330)NoNoJul 2026
8Model 15 Modular SynthesizerModel 15 Modular Synthesizer$14.99 was $29.994.9★ (892)NoYesJul 2026

Top Picks for Modular Synth App

Audulus 4#1

Audulus 4 by Audulus LLC

A Universe of Sound
Editor's Choice
🎵 Music
4.6😐(57 ratings)
FreeIn-App Purchases
Audulus 4 screenshot 1
Audulus 4 screenshot 2
Audulus 4 screenshot 3
Audulus 4 screenshot 4
Audulus 4 screenshot 5
Audulus 4 screenshot 6

Create and shape sounds with a professional-grade modular synthesizer environment. Explore a vast library of modules for synthesis and sound design, with the option to expand your toolkit with premium instruments and effects. Available across Apple devices for seamless workflow.

What We Love

  • ✨ Powerful modular environment
  • 💡 Deep DSP programming capabilities
  • 🎨 Intuitive and beautiful UI
  • 🚀 Seamless workflow across devices

Room to Improve

  • 💸 Expensive in-app purchases/subscriptions
  • ⚠️ Steep learning curve for beginners
  • 📱 UI issues on mobile (scrolling, view obstruction)
Klankwelle#2

Klankwelle by Greg Okopal

A modular synthesizer
Strong Contender
🎵 Music
4.7(37 ratings)
Free
Klankwelle screenshot 1
Klankwelle screenshot 2
Klankwelle screenshot 3

This app allows users to create and manipulate complex synthesizer sounds using a modular interface. Build up to eight synthesizers simultaneously, controlling them via an on-screen keyboard, step sequencer, or external MIDI devices. Fine-tune audio with built-in effects and an equalizer.

Animoog Z Synthesizer#3

Animoog Z Synthesizer by Moog Music Inc.

Multisensory Music Production
Worth Considering
🎵 Music
4.8😊(1.1K ratings)
FreeAdsIn-App Purchases
Animoog Z Synthesizer screenshot 1
Animoog Z Synthesizer screenshot 2
Animoog Z Synthesizer screenshot 3
Animoog Z Synthesizer screenshot 4
Animoog Z Synthesizer screenshot 5
Animoog Z Synthesizer screenshot 6

Explore multidimensional sound design and performance with this polyphonic synthesizer. Create unique evolving soundscapes by navigating sonic universes and sculpting fluid sounds. Features a built-in keyboard, MPE support, and a diverse library of timbres.

What We Love

  • 🚀 Powerful synth engine
  • 🎨 Visually appealing interface
  • 🎹 Expressive and versatile controls
  • 💰 Good value for money

Room to Improve

  • 🐛 Occasional crashes and freezes
  • 🔍 Preset navigation could be improved
  • 📱 Cramped interface on smaller devices

More Modular Synth App apps to explore

4
AudioKit Synth One Synthesizer
AudioKit Synth One Synthesizer
AudioKit Synth One Synthesizer
Feature-packed Pro Synthesizer
Free

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
🎵 Music
(27K)
free
5
miRack
miRack
miRack
Eurorack modular synth and fx
$14.99

This app offers a comprehensive Eurorack-style modular synthesizer environment for creating custom synths, audio/MIDI effects, and controlling other applications. It features a vast library of modules and integrates with hardware and software for flexible music production and live performance.

Polyphonic Eurorack-style modular environmentOver 800 third-party modulesAUv3 plugin hosting
🎵 Music
(666)
free with in-app purchases
6
Mynth - Polyphonic Synthesizer
Mynth - Polyphonic Synthesizer
Mynth - Polyphonic Synthesizer
The Freaky Synth
Free

Create unique sounds by drawing waveforms, adjusting filters, and controlling parameters with LFOs. Explore a vast sound palette with factory presets or build your own. Supports MIDI, AudioUnit, and live recording for track creation.

Waveform drawing editor3 Oscillators2 dynamic Filters
🎵 Music
(44)
free with in-app purchases
7
SunVox
SunVox
SunVox
by Alexander Zolotov
$5.99

This is a powerful, cross-platform modular synthesizer and pattern-based music sequencer. It offers a wide range of built-in synthesizers, effects, and sample support for creating complex musical compositions.

Modular interfacePattern-based sequencerMicrotonal sequencing
🎵 Music
(330)
paid
8
Model 15 Modular Synthesizer
Model 15 Modular Synthesizer
Model 15 Modular Synthesizer
Moog Modular Synthesizer
$14.99
$29.99 | 50% OFF

This app recreates a legendary modular synthesizer for mobile devices. Explore its iconic modules, experiment with sound design, and create music with intuitive controls and advanced features.

Iconic Moog module recreationMonophonic and 4-voice polyphonic operationIntegrated Moog keyboard and ribbon controller
🎵 Music
(892)
free with in-app purchases
9
Minimoog Model D Synthesizer
Minimoog Model D Synthesizer
Minimoog Model D Synthesizer
Classic Analog Synthesizer
$14.99
$29.99 | 50% OFF

This app is a digital recreation of a legendary analog synthesizer, offering classic sound design with modern features like polyphony, an arpeggiator, and a looping recorder. Explore vast sonic possibilities with included presets or craft your own unique sounds.

Over 160 included presetsUp to 4-note polyphonyArpeggiator module
🎵 Music
(3K)
free with in-app purchases
10
Voice Synth Modular
Voice Synth Modular
Voice Synth Modular
Live Auto Pitch Vocoder
Free

Transform your voice into a musical instrument with a suite of advanced audio effects. Create robotic voices, harmonies, and unique soundscapes using only your voice. Save and share your creations, or integrate them into your digital audio workstation.

Live voice processingVocodersAuto Pitch
🎵 Music
(3K)
free with in-app purchases
11
Seaquence
Seaquence
Seaquence
Make living music
Free

Create dynamic, layered music with a unique visual interface. Explore ambient drones, intricate rhythms, and share your creations with a global community. Unlock advanced tools and MIDI support with an optional upgrade.

Polyphonic synth engineDynamic spatial mixerMultitouch interface
🎵 Music
(74)
free with in-app purchases
12
Polywave - Wavetable Synth
Polywave - Wavetable Synth
Polywave - Wavetable Synth
The Wavetable Sequencer Synth
Free

Create unique, evolving sonic experiences with a novel wavetable sequencer inspired by vintage synths. Draw your own waveforms, explore a vast library, and connect to external keyboards or DAWs. Record your creations directly within the app.

Wavetable sequencerCustom waveform drawingExpansive waveform library
🎵 Music
(33)
free with in-app purchases
13
VHS Synth | 80s Synthwave
VHS Synth | 80s Synthwave
VHS Synth | 80s Synthwave
Lo-Fi & Chill with this AUv3
Free
$4.99 | 100% OFF

This app creates unique synth sounds by recording classic synths to VHS tape and then resampling them. It offers a vast library of presets and effects to achieve lo-fi, retro vibes for various music genres. An AUv3 plugin and standalone app are included.

VHS-recorded and resampled synthsOver 280+ presetsStandalone app and AUv3 plugin
🎵 Music
(115)
subscription
14
Mela – AUv3: Synth, FX, MIDI
Mela – AUv3: Synth, FX, MIDI
Mela – AUv3: Synth, FX, MIDI
Modular Music-Making
Free

Create custom synthesizers, audio effects, and MIDI processors with a modular music-making tool. Arrange modules on lanes to process signals and route them internally or with your host DAW. Explore a vast library of modules to craft unique sounds.

Modular synth and effect designCustomizable MIDI processingAUv3 plugin compatibility
🎵 Music
(75)
free with in-app purchases
15
Cycle - Time Lag Accumulator
Cycle - Time Lag Accumulator
Cycle - Time Lag Accumulator
Meditative Synthesizer
Free

This app creates evolving musical textures by repeating notes that gradually fade. It offers a meditative experience and is ideal for ambient music creation. Users can record and export their creations in various formats.

Time lag accumulation for sonic texturesMeditative and ambient music creationRecord and export to WAV/MIDI
🎵 Music
(493)
paid
16
SynthMaster One
SynthMaster One
SynthMaster One
Powerful wavetable synth
$9.99

This powerful wavetable synthesizer app offers an intuitive workflow for creating unique sounds. It features a rich library of wavetables, inspiring presets, and a semi-modular architecture for deep sound design. Easily sync data across devices and integrate with DAWs.

Wavetable synthesisSemi-modular architecture650 factory presets
🎵 Music
(711)
free with in-app purchases
17
Pegboard - Wavetable Synth
Pegboard - Wavetable Synth
Pegboard - Wavetable Synth
Mobile wavetable synthesizer.
Free

This app offers an intuitive mobile wavetable synthesizer with a virtual analog filter. It features a harmonic table keyboard layout that highlights scales for easy improvisation and chord playing. The free version provides extensive sound design capabilities, while a pro upgrade unlocks MIDI controller functionality.

Harmonic table keyboard layoutScale highlighting for improvisationVirtual analog filter
🎵 Music
(8)
free with in-app purchases
18
Drambo
Drambo
Drambo
Modular groovebox, synth & fx
$24.99

This app offers a flexible sound design experience, allowing users to build beats, create synthesizers, and process audio with effects. Its innovative modular system simplifies connections and organization, making it suitable for both beginners and experienced musicians. It functions as a standalone application or a plugin within a DAW.

Modular sound designIntuitive cable-less connectionsAdvanced sequencer
🎵 Music
(321)
free with in-app purchases
19
AudioKit Synth One J6
AudioKit Synth One J6
AudioKit Synth One J6
NEW! Pro Synthesizer + AUv3
Free

This app offers a professional-quality virtual analog synthesizer inspired by classic hardware. It provides a vast library of presets, real-time effects control, and a user-friendly interface for both beginners and experienced musicians. It can be used as a standalone instrument or as an AUv3 plugin.

400+ PresetsDual Assignable Touch PadsReal-time FX Control
🎵 Music
(2.2K)
free with in-app purchases
20
Synth Modes
Synth Modes
Synth Modes
Synthesizer Cheat Sheets
$3.99

Quickly access cheat sheets for your eurorack synthesizer modules. Search by text or mode type, favorite pages, and generate patch ideas with the built-in generator. Replaces binders of printed PDFs with a faster, easier-to-use digital reference.

Cheat sheets for 45+ eurorack modulesSearch by text or mode typeFavorite pages for quick access
🎵 Music
(50)
paid

FAQ about Modular Synth App

What is the best modular synth app for iPhone?
Audulus 4 tops our modular synth app ranking as of June 2026, with a 4.6-star average from 57 App Store ratings, and it's free to download.
Yes — 13 of the top modular synth app we rank are free to download, including Audulus 4 and Klankwelle.
Audulus 4 has no ads and offers in-app purchases, according to its App Store listing as of June 2026.
We track 199+ modular synth app on the iOS App Store as of June 2026, ranked by rating, recency, and analysis of real user reviews.
Audulus 4 is a powerful modular synthesizer and sound design environment that allows users to build synthesizers, design sounds, and shape audio in real time. It offers a professional-grade, low-latency performance suitable for live use and complex audio manipulation.
Key features include a complete modular environment, a deep node library for building from scratch, an extensive module library for synthesis and sound design, multi-channel signal flow, next-gen multi-core audio processing, MIDI I/O, and GLSL shader node for visuals. It also supports Lua scripting for custom DSP and graphics.