Best Garageband Plugins Apps

201+ iOS apps curated and reviewed

4.6 avg rating
20 free apps
Updated June 2026

If you already know AudioKit Synth One Synthesizer, this is the deeper bench. 201+ garageband plugins apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of June 2026.

Top Picks for Garageband Plugins

AudioKit Synth One Synthesizer#1

AudioKit Synth One Synthesizer by AudioKit Pro, LLC

Feature-packed Pro Synthesizer
Editor's Choice
🎡 Music
4.9😊(27K ratings)
Free
AudioKit Synth One Synthesizer screenshot 1
AudioKit Synth One Synthesizer screenshot 2
AudioKit Synth One Synthesizer screenshot 3
AudioKit Synth One Synthesizer screenshot 4
AudioKit Synth One Synthesizer screenshot 5

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.

What We Love

  • 😎 Easy to use
  • πŸ”₯ Clean patches
  • πŸ‘ Awesome synth
  • 🎸 Works great with GarageBand

Room to Improve

  • πŸ€” No AU support yet
  • πŸ€” Crashes with Audiobus 3
  • πŸ€” Poor palette of sounds
Flux Mini 2#2

Flux Mini 2 by Caelum Audio Ltd

AUv3 Modulation Envelope
Strong Contender
🎡 Music
4.8(33 ratings)
Free
Flux Mini 2 screenshot 1
Flux Mini 2 screenshot 2
Flux Mini 2 screenshot 3

This audio effect app allows you to add dynamic modulation to your music tracks. Create custom shapes to control various parameters like filter cutoff, resonance, amplitude, and mix for rhythmic and expressive sound sculpting.

Tape Cassette 2#3

Tape Cassette 2 by Caelum Audio Ltd

AUv3 Tape Cassette Effect
Worth Considering
🎡 Music
4.7(41 ratings)
Free
Tape Cassette 2 screenshot 1

This audio plugin emulates the warm, noisy, and characteristic sound of vintage tape cassettes. It offers enhanced saturation, a new impulse response, and real sampled tape noise for a more authentic vintage audio experience. It can be used on entire tracks or individual channels for added texture and movement.

More Garageband Plugins apps to explore

4
AudioKit Reverb
AudioKit Reverb
AudioKit Reverb
by AudioKit Pro, LLC
Free

This pro-sounding reverb plugin offers a simple, three-knob interface for iOS devices. It functions as an Audio Unit (AUv3) plugin within popular DAWs and is also open-source for developers to use in their own projects.

Pro-sounding reverb effectSimple three-knob interfaceAudio Unit (AUv3) plugin
🎡 Music
(63)
free
5
GarageBand
GarageBand
GarageBand
Make great music anywhere
Free

Transform your device into a portable recording studio. Create music with virtual instruments, record vocals and guitars, and mix multi-track songs. Explore a vast library of sounds and effects to produce professional-sounding tracks anywhere.

Virtual instruments (keyboard, guitar, drums)Multi-track recording (up to 32 tracks)Live Loops for DJ-style creation
🎡 Music
(110K)
free
6
LE01 | Bass 808 Synth + AUv3
LE01 | Bass 808 Synth + AUv3
LE01 | Bass 808 Synth + AUv3
Create Deep Music and Sound
Free
$7.99 | 100% OFF

Create deep, earth-shattering bass lines and custom electronic drum sounds. This powerful synth offers a lightweight yet robust tool for musicians across various electronic genres. It functions as a standalone app and an AUv3 plugin, allowing for seamless integration into your existing music production workflow.

Create earth-shattering bassStandalone app & AUv3 pluginSynthesize custom sounds
🎡 Music
(1.1K)
subscription
7
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
8
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
(2.1K)
free with in-app purchases
9
Resampler Bitcrusher
Resampler Bitcrusher
Resampler Bitcrusher
AUv3
Free

This app offers a versatile bitcrusher effect with multiple sample rate reduction and quantization algorithms. It allows users to easily create unique sonic textures and integrate them into their iOS Digital Audio Workstations.

Multiple sample rate reduction algorithmsQuantization optionsFlexible bit crushing
🎡 Music
(19)
free
10
Fair Limiter
Fair Limiter
Fair Limiter
Tube compressor and limiter
Free

This audio unit plugin emulates the classic Fairchild 670 tube compressor and limiter, offering its renowned sonic character. It provides comprehensive controls, including sidechain filters and boost, for detailed audio shaping. A free version is available for testing, with a one-time purchase to remove limitations.

AUv3 plugin for DAWsFairchild 670 emulationSidechain filters and boost
🎡 Music
(7)
free with in-app purchases
11
Room Reverb
Room Reverb
Room Reverb
AUv3 Reverb Audio Plugin
Free

This audio plugin adds natural-sounding reverberation to your recordings, bringing them to life. It offers a variety of presets and controls to customize the sound, making dry recordings feel more realistic. It requires a host application that supports AUv3 audio plugins.

Mono/stereo to stereo algorithmic reverbNumerous presets from small to large roomsUndo/redo and A/B comparison
🎡 Music
(24)
free
12
Auxy Studio
Auxy Studio
Auxy Studio
Music & Beat Maker
Free

Create modern beats and electronic music with this intuitive app. Easily compose melodies, drum patterns, and arrange them into full tracks. Access a vast library of sounds or import your own, and enhance your productions with studio-grade effects and automation.

Create melodies and drum patternsArrange loops into full tracksThousands of instruments and drum hits
🎡 Music
(4.2K)
free with in-app purchases
13
LE05: Digitalism 2000 + AUv3
LE05: Digitalism 2000 + AUv3
LE05: Digitalism 2000 + AUv3
Synth Retro and Digital Music
Free
$3.99 | 100% OFF

Explore a vast collection of vintage synth sounds inspired by early 2000s digital music. This app offers over 1,000 samples and 60+ PCM sound sources, with over 100 presets for immediate inspiration. It functions as a standalone instrument or an AUv3 plugin for popular DAWs.

Vintage digital synth soundsOver 1,000 individual samples60+ multi-sampled PCM sound sources
🎡 Music
(126)
free with in-app purchases
14
Analog Rack Delay
Analog Rack Delay
Analog Rack Delay
by Nembrini Audio
Free

This audio plugin offers the powerful delay algorithms of Nembrini Audio in a user-friendly package. It features BPM sync, a stereo spread circuit, and a rich analog tube preamp for unique signal coloration. Use it as a standalone app or within other music production software.

Analog delay algorithmsBPM SyncStereo spread circuit
🎡 Music
(30)
free with in-app purchases
15
808 Overdrive Pro
808 Overdrive Pro
808 Overdrive Pro
by Nembrini Audio
Free

This audio plugin emulates a classic green overdrive pedal, offering versatile sound modification for guitarists. It's designed to produce breathtaking sounds and can be used standalone or with other audio apps.

Classic overdrive pedal emulationDrive, Tone, and Level controlsStandalone app functionality
🎡 Music
(29)
ad-supported
16
SynthMaster One for iPhone
SynthMaster One for iPhone
SynthMaster One for iPhone
Powerful wavetable synth
Free

This powerful wavetable synthesizer app offers an intuitive workflow for creating new sounds. It features a rich library of wavetables, inspiring factory presets, and real-time modulation feedback for sound design.

Wavetable synthesis300 factory presetsAUv3 support
🎡 Music
(308)
free with in-app purchases
17
RRS Passive EQ Collection
RRS Passive EQ Collection
RRS Passive EQ Collection
Two Classic Passive EQs in One
Free

This app offers a collection of vintage-inspired equalizers, combining three classic models into a single, full-featured audio plugin. It provides detailed control over tone shaping for music production and mixing. A demo version is available with limited playtime.

Combines EQP-1A, MEQ-5, and HLF-3C equalizersStandalone and AUv3 plugin supportModeled vintage analog saturation
🎡 Music
(14)
free with in-app purchases
18
Magic Switch - Baby Audio
Magic Switch - Baby Audio
Magic Switch - Baby Audio
AUv3 Chorus Plugin
Free

This audio effect plugin provides a lush, one-button chorus inspired by analog synthesizers. It adds dimension and depth to music tracks with a dark, detuned character. A mix slider allows for blending the effect to your preference.

One-button lush chorus effectJuno-60 analog chorus inspirationDark and detuned character
🎡 Music
(30)
free
19
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
(1.6K)
free
20
iRig Guitar Amp & FX Β· Deplike
iRig Guitar Amp & FX Β· Deplike
iRig Guitar Amp & FX Β· Deplike
irig, tonebridge, amplitube FX
Free

Transform your mobile device into a professional guitar studio. Easily create custom tones with a vast library of amps, effects, and cabinets, or explore presets for popular songs. Record your playing and integrate with mobile DAWs.

100+ amps, pedals, cabinets, and microphones100,000+ song presetsAUv3 compatibility for DAWs
🎡 Music
(173)
free with in-app purchases