Best Synthesizer Free Apps

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
🔥 Clean patches
👍 Awesome synth
🎸 Works great with GarageBand
🤩 Absolutely stunning
💥 Incredible dynamic articulation
🎹 Powerful and intuitive
🎶 Vast set of features
🔊 Amazing quality
🤘 Spanking awesome
🤘 Love the concept
🎹 Immediate access to controls
🎨 Versatile sound creation
🎚️ Smooth and responsive
⭐ Packed with presets
🎧 Excellent sound quality
🎛️ Great interface and patches
🎛️ Powerful soft synth
🎛️ Stunning sounds
🎛️ Awesome all-around

Room to Improve

🤔 No AU support yet
🤔 Crashes with Audiobus 3
🤔 Poor palette of sounds
🤔 Mod wheel issues
🤔 Occasional crashes
🤔 High battery consumption
🤔 Keyboard issues on iPhone

Synth Box: Music Synthesizer by Alper Kahriman

MIDI Keyboard, Sounds & FX

Strong Contender

5.0(1 ratings)

FreeIn-App Purchases

Synth Box: Music Synthesizer screenshot 1

Synth Box: Music Synthesizer screenshot 2

Synth Box: Music Synthesizer screenshot 3

Synth Box: Music Synthesizer screenshot 4

Synth Box: Music Synthesizer screenshot 5

Synth Box: Music Synthesizer screenshot 6

Transform your device into a versatile synthesizer with a touch-sensitive keyboard, morphing oscillators, and a resonant low-pass filter. Explore 100 presets, add real-time effects, and record your performances. Connect MIDI controllers for expanded creative possibilities.

Saucillator by Green Noise LLC

Create & play synthesizers

Worth Considering

4.9(37 ratings)

Free

Create and play custom synthesizers and instruments on your mobile device. Manipulate oscillators and effects with touch, record live loops, and design unique sounds with a variety of timbres and customizable effects. Supports AUv3 for use in other music production apps.

More Synthesizer Free apps to explore

JP-SQUARE - synthesizer

アナログシンセ

8 Analog Synth VoicesAuthentic VCF ControlADSR Envelope

This application emulates a legendary analog polyphonic synthesizer, offering 8 distinct analog synth voices. Users can sculpt sounds with authentic VCF and ADSR controls, utilize an arpeggiator, and split the keyboard for dual-sound performance. Built-in effects and pitch lever allow for expressive sound design on the go.

Touchophone - Synthesizer

Polyphonic Pocket Synthesizer

Synth Pro: Analog Synthesizer

(0)

AUv3 Vintage Keyboard & MIDI

Authentic analog & vintage synth soundsFull synthesizer editing sectionProfessional-grade effects

Explore authentic analog synth sounds and craft unique music with a powerful editing suite. This app offers studio-quality effects, layering capabilities, and MIDI/AUv3 support for both beginners and professionals. Save, share, and record your creations.

A pocket synth in your hand

(555)

freemium

PocketTone - Retro Synth

Five retro voices (Piano, Flute, Violin, Fantasy, Guitar)Program custom synth voicesTen built-in rhythms

This app recreates the experience of a hand-drawn, retro pocket synthesizer. It features a vintage LCD display, slide switches, and chunky buttons, allowing users to play various retro voices, program custom sounds, and jam along to built-in rhythms. Users can also record and share their musical creations.

AudioKit Synth One J6 + AUv3

Pro Analog Synthesizer Fun!

400+ PresetsDual Assignable Touch PadsReal-time FX Control

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.

(2.5K)

Spectrum Synthesizer Bundle

4 Pro Instruments, 30+ Modes!

Multi-mode polyphonic oscillatorModal synthesisString generation algorithms

This app provides a bundle of four professional audio unit synthesizers and one effect, inspired by popular eurorack modules. Explore diverse sound design possibilities with multi-mode oscillators, modal synthesis, string generation, and granular sampling. Compatible with DAWs and AU hosts for creative music production.

AV Synth – Visual Synthesizer

(135)

paid

Live Music Visualizer AUV AUv3

Layered visual compositionsLive audio-reactive graphicsChained effect processing

Create dynamic, layered visual compositions that react to live music. Design and modulate up to five independent visual layers with complex effect chains. Save and recall presets for live performance or studio use.

Core Synth Free

by Core Engine Apps

Dual overlapping oscillatorsFour wave patternsAdjustable low pass filter

Create music with a monophonic synthesizer featuring dual oscillators, adjustable filters, and envelope shaping. Explore various wave patterns and octaves to craft unique sounds for live performance or composition.

(8)

Tresse Polyphonic Synthesizer

39-engine AUv3 & Sequencer

39 diverse sound enginesDual-layer synthesisMorphing SEM-style filter

This app is a powerful polyphonic synthesizer for iPhone and iPad, featuring 39 diverse sound engines and a generative step sequencer. It offers extensive sound-shaping capabilities with dual layers, morphing filters, and flexible LFOs and envelopes. It functions as a standalone app or an AUv3 plugin.

(4)

Synthwave SID-inspired synth

LuSID Synthesizer

Eight-voice polyphony with unisonAudio-rate filter envelopeBuilt-in 4-64 step sequencer

Create synthwave music with a powerful, intuitive synthesizer. Features a multi-voice engine, versatile filter, built-in sequencer, and a range of effects. Record and share your creations easily.

tono: Pocket Synth & Sampler

Synth, sampler & loop tape

This app is a touch synthesizer that allows continuous pitch control for expressive playing. It offers various sound-shaping tools and effects, along with on-device recording capabilities for sharing and backup.

Chromatic touch interfaceReal-time responsive playMultiple oscillator and FM instruments

ぴあの音楽作曲・けんばん・和音・音階・音感トレーニング

楽器の音符・リズム・コード演奏、オルガンとギター音源・録音

Simple piano interfaceMultiple sound sourcesAdjustable keyboard size

This simple piano app allows users to play with various sound sources and adjust the keyboard size for comfortable play. It offers an engaging way to learn and practice music.

(263)

ORPHEUS: Music Synthesizer

Grid Instrument Play By Touch

Grid-based touch instrumentMulti-layer pattern creationAdjustable loop lengths and scales

Create music by tapping cells on a glowing grid, which plays them back as a loop. Build melodies, bass lines, and countermelodies on multiple layers with adjustable patterns and instruments. Turn your loops into full songs using a sequencer, with no musical training required.

King of FM 2: DX Synth/E Piano

#1 DX7 Sounds & Electric Piano

300+ unique synth instrument soundsDX7 and SY77 inspired presets20+ layers for expressive sounds

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.

(1.9K)

PIXL: Synthesizer & Chords

Smart Chords, Melodies & Arp

Sonic Synth : FM synthesizer

(0)

Synthesiser

$1.99

Create a wide variety of sounds with this FM synthesizer app. It features three independent oscillators, each capable of generating four unique waveforms, and offers a responsive touch keyboard for real-time performance. Enjoy high-quality audio with a 44100 Hz sample rate.

3 independent oscillators4 waveform types per oscillatorVolume, modulation, tone, and detune controls