Best Audulus 4 alternatives: apps like Audulus 4

10+ similar apps compared and reviewed

4.9 avg rating
5 free apps
Updated November 2026

Looking for something like Audulus 4? We've analyzed 10+ similar apps to help you find the best alternative. Each app is compared by ratings, features, and real user reviews, so you can make the right choice.

Top Alternatives to Audulus 4

Factory - Modular Synthesizer#1

Factory - Modular Synthesizer by Sugar Bytes GmbH

Liquid Modular Synthesizer
Editor's Choice
🎡 Music
4.9😊(487 ratings)
FreeIn-App Purchases
Factory - Modular Synthesizer screenshot 1
Factory - Modular Synthesizer screenshot 2
Factory - Modular Synthesizer screenshot 3
Factory - Modular Synthesizer screenshot 4
Factory - Modular Synthesizer screenshot 5

This app offers a powerful modular synthesizer experience with a vast array of DSP for complex sound design. Explore analog-style oscillators, wavetable synthesis, and a dynamic signal flow with a unique morph crossfader. Easily find and manage sounds with a tagged preset browser.

What We Love

  • πŸš€ Powerful synth engine
  • πŸ‘ Intuitive and easy to use interface
  • 🎨 Vast sound design capabilities
  • πŸ’‘ Innovative modulation matrix
  • 🎢 Inspiring and unique presets
  • πŸ”₯ Excellent sound quality

Room to Improve

  • πŸ› Occasional crashes and freezes
  • πŸ”Œ Compatibility issues with other apps
  • πŸ–₯️ Pixelated interface on high-res displays
  • πŸ”‡ Note-sticking problems
miRack#2

miRack by MIFKI PTY LTD

Eurorack modular synth and fx
Strong Contender
🎡 Music
4.8😊(683 ratings)
$14.99In-App Purchases
miRack screenshot 1
miRack screenshot 2
miRack screenshot 3
miRack screenshot 4
miRack screenshot 5
miRack screenshot 6

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.

What We Love

  • πŸš€ Powerful modular synth capabilities
  • πŸ‘ Intuitive touch-based interface
  • 🎨 Vast selection of modules
  • πŸ’° Great value for the price
  • πŸ”Œ Seamless integration with external controllers
  • 🧠 Helpful for learning modular synthesis

Room to Improve

  • πŸ› Occasional crashes and stability issues
  • πŸ“š Lack of built-in documentation and tutorials
  • πŸ”€ Difficulty navigating and managing patches
  • πŸ”‡ Missing audio recording and export features
SynthMaster 2#3

SynthMaster 2 by KV331 Audio

Power Synth
Worth Considering
🎡 Music
4.8😊(474 ratings)
$0.99AdsIn-App Purchases
SynthMaster 2 screenshot 1
SynthMaster 2 screenshot 2
SynthMaster 2 screenshot 3
SynthMaster 2 screenshot 4
SynthMaster 2 screenshot 5
SynthMaster 2 screenshot 6

This powerful software synthesizer offers a vast array of sound design capabilities, including multiple oscillator modes, extensive modulation options, and a wide selection of filters. Explore over 1000 factory presets or create your own unique sounds. Available as a standalone app or AUv3 plugin.

What We Love

  • πŸš€ Best synth on iPad
  • πŸ‘ Delicious sound
  • πŸ‘ Tremendously powerful synth
  • πŸ‘ Great synth with complex possibilities and great sound(s)
  • πŸ‘ Perfeito
  • πŸ‘ More synth than you'll ever need
  • πŸ‘ Amazing app
  • πŸ‘ Incredible
  • πŸ‘ GΓ©nial
  • πŸ‘ Favoloso!!!

Room to Improve

  • πŸ› Auswahl der Modulationsquellen funktioniert nicht richtig
  • πŸ› Echt schlecht
  • πŸ› Broken Preset System for a powerful synth
  • πŸ› Please fix the OSC behavior on Square and Saw
  • πŸ› Preset issues
  • πŸ› Preset management is a buggy nightmare
  • πŸ› Great sounding IOS synth, but...
  • πŸ› No tempo/bpm
  • πŸ› Basic functionality is broken
  • πŸ› Consistent audio dropouts

More apps like Audulus 4

4
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
(332)
free with in-app purchases
5
DrumComputer - Synthetic Beats
DrumComputer - Synthetic Beats
DrumComputer - Synthetic Beats
Next Level Drum Synthesizer
Free

This app is a powerful tool for creating synthetic drum sounds using a variety of synthesis methods and sequencers. It offers intelligent randomization, flexible modulation, and pattern editing to generate unique beats and explore new sonic possibilities.

8 multi-layer sound enginesFlexible modulation matrixIntelligent randomizers for sound generation
🎡 Music
(621)
free
6
Saucillator
Saucillator
Saucillator
Create & play synthesizers
Free

Transform your device into a powerful synthesizer for creating and playing music. Explore a vast array of sounds, effects, and looping capabilities, suitable for both beginners and experienced musicians. Share your custom creations with a vibrant community.

Touchscreen synthesizer controlLive looping and recordingCustomizable synth creation
🎡 Music
(38)
free
7
Aparillo
Aparillo
Aparillo
The Cinematic Machine
Free

This advanced FM synthesizer is designed for creating complex, evolving soundscapes and atmospheres ideal for film, TV, and games. It offers deep sound design capabilities with two interacting synthesizers, integrated effects, and an intuitive 'mass-controller' for one-touch sound morphing. Seamlessly integrate it into your mobile studio setup with extensive MIDI and syncing options.

16-voice FM SynthesizerFormant Shifting, Wave Folding & ShiftingMulti-Mode Filter with Spacializer
🎡 Music
(507)
free with in-app purchases
8
Super J8 Synth + AUv3
Super J8 Synth + AUv3
Super J8 Synth + AUv3
Analog Vintage Synthesizer
$7.99
$8.99 | 11% OFF

This app offers a powerful analog synthesizer emulation, inspired by a legendary vintage instrument. It provides a vast array of sounds, from lush pads to deep basses, with advanced DSP and numerous modulation options. Explore over 700 presets and use it standalone or as an AUv3 plugin.

Analog emulation sound engine700+ presetsTrue poly unison
🎡 Music
(87)
paid
9
BA-1 FX Strip - Baby Audio
BA-1 FX Strip - Baby Audio
BA-1 FX Strip - Baby Audio
AUv3 Retro FX Channel Strip
Free

This app brings vintage 80s analog effects to your mobile productions. Emulate classic synth sounds with saturation, filters, delay, reverb, and chorus. Enhance synths, drum machines, or any audio source with nostalgic character.

80s-inspired drive modes (Circuit, OD)24 dB/octave resonant low-pass filterLow and high shelving tone filters
🎡 Music
(17)
free
10
AUM - Audio Mixer
AUM - Audio Mixer
AUM - Audio Mixer
Connect, route, mix, record!
$24.99

This app is a versatile audio mixer, recorder, and connection hub for mobile devices. It allows users to connect various audio sources, route signals, apply effects, and record mixes with high fidelity. It supports advanced features like MIDI control, synchronization, and integration with other audio apps and hardware.

Connect hardware inputs/outputsRoute audio and MIDIHost Audio Unit extensions
🎡 Music
(535)
free with in-app purchases