Best Synth One Apps

241+ iOS apps curated and reviewed

4.1 avg rating
13 free apps
Updated November 2026

The best synth one apps on iPhone average 4.1★ across 241+ titles — we've ranked them by what real users actually keep on their phones. Updated November 2026.

Compare top Synth One Apps (November 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1AudioKit Synth One SynthesizerAudioKit Synth One SynthesizerFree4.9★ (27K)NoNoNov 2026
2AudioKit Synth One J6 + AUv3AudioKit Synth One J6 + AUv3Free4.9★ (2.5K)NoYesNov 2026
3King of FM 2: DX Synth/E PianoKing of FM 2: DX Synth/E PianoFree4.9★ (1.9K)NoNoNov 2026
4SynthMaster One for iPhoneSynthMaster One for iPhoneFree4.7★ (336)NoYesNov 2026
5Percussive SynthPercussive SynthFree4.1★ (12)NoNoOct 2026
6VHS Synth | 80s SynthwaveVHS Synth | 80s SynthwaveFree4.0★ (135)YesYesNov 2026
7SynthMaster OneSynthMaster One$0.99 was $9.994.7★ (746)NoYesNov 2026
8SynthMaster 3 PlayerSynthMaster 3 PlayerFree4.7★ (72)NoYesNov 2026

Top Picks for Synth One

AudioKit Synth One Synthesizer#1

AudioKit Synth One Synthesizer by AudioKit Pro

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
  • 🔥 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
AudioKit Synth One J6 + AUv3#2

AudioKit Synth One J6 + AUv3 by AudioKit Pro

Pro Analog Synthesizer Fun!
Strong Contender
🎵 Music
4.9😊(2.5K ratings)
FreeIn-App Purchases
AudioKit Synth One J6 + AUv3 screenshot 1
AudioKit Synth One J6 + AUv3 screenshot 2
AudioKit Synth One J6 + AUv3 screenshot 3
AudioKit Synth One J6 + AUv3 screenshot 4
AudioKit Synth One J6 + AUv3 screenshot 5
AudioKit Synth One J6 + AUv3 screenshot 6

This free synthesizer app offers pro-quality analog sounds for creating pads, basses, keys, and leads. It features over 400 presets, a step sequencer, arpeggiators, and real-time FX control, making it suitable for beginners and pros alike. Enhanced accessibility features are included for visually impaired musicians.

What We Love

  • 🚀 Amazingly inspirational
  • 👍 Awesome and free
  • 👍 Ridiculously good UI
  • 👍 Must have
  • 👍 Great for AUv3
  • 👍 Simply fantastic
  • 👍 Analog dreams with clear UI
  • 👍 Wow, a gift to music makers
King of FM 2: DX Synth/E Piano#3

King of FM 2: DX Synth/E Piano by AudioKit Pro

#1 DX7 Sounds & Electric Piano
Worth Considering
🎵 Music
4.9😊(1.9K ratings)
Free
King of FM 2: DX Synth/E Piano screenshot 1
King of FM 2: DX Synth/E Piano screenshot 2
King of FM 2: DX Synth/E Piano screenshot 3
King of FM 2: DX Synth/E Piano screenshot 4
King of FM 2: DX Synth/E Piano screenshot 5
King of FM 2: DX Synth/E Piano screenshot 6

This app offers over 300 unique synth instrument sounds inspired by 80s FM synthesizers, providing authentic DX7 and SY77 tones. It functions as a standalone instrument or a plugin for DAWs and supports MIDI control for expressive live performance.

What We Love

  • 🚀 Excellent sound quality
  • 👍 Intuitive and easy to use interface
  • 🎹 Authentic DX7 sounds
  • 💰 Free app with great value
  • 🎨 Versatile sound design capabilities
  • 🎶 Inspiring and fun to play

Room to Improve

  • 🐛 Occasional compatibility issues with DAWs
  • 🔇 Limited bass and low-end sounds
  • 🔍 Lack of advanced editing features

More Synth One apps to explore

FAQ about Synth One

What are the best synth one apps for iPhone?
AudioKit Synth One Synthesizer tops our synth one apps ranking as of November 2026, with a 4.9-star average from 27K App Store ratings, and it's free to download.
Yes — 13 of the top synth one apps we rank are free to download, including AudioKit Synth One Synthesizer and AudioKit Synth One J6 + AUv3.
AudioKit Synth One Synthesizer has no ads and has no in-app purchases, according to its App Store listing as of November 2026.
We track 241+ synth one apps on the iOS App Store as of November 2026, ranked by rating, recency, and analysis of real user reviews.

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