Best Synthesizer Piano Apps

239+ iOS apps curated and reviewed

3.9 avg rating
12 free apps
Updated November 2026

Every iPhone needs a few good synthesizer piano apps. We benchmark 239+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.

Compare top Synthesizer Piano Apps (November 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1AudioKit Synth One SynthesizerAudioKit Synth One SynthesizerFree4.9★ (27K)NoNoOct 2026
2DoremiPlus Piano & SynthesizerDoremiPlus Piano & SynthesizerFree1.3★ (4)NoYesOct 2026
3FM Synthesizer – Piano KeysFM Synthesizer – Piano KeysFree1.7★ (6)NoYesJul 2026
4V Piano Synthesizer Audio BeatV Piano Synthesizer Audio BeatFree4.2★ (110)NoYesOct 2026
5Tiny Piano Synthesizer No AdsTiny Piano Synthesizer No Ads$0.994.6★ (125)NoNoNov 2026
6Sonic Synth : FM synthesizerSonic Synth : FM synthesizer$1.993.0★ (1)NoNoOct 2026
7Grand Piano ∞Grand Piano ∞Free3.3★ (9)YesYesNov 2026
8Piano - Simple Piano RecordingPiano - Simple Piano RecordingFree4.5★ (3.8K)YesNoNov 2026

Top Picks for Synthesizer Piano

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
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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
DoremiPlus Piano & Synthesizer#2

DoremiPlus Piano & Synthesizer by DoremiPlus, LLC

Learn Piano with Do Re Mi
Strong Contender
🎵 Music
1.3(4 ratings)
Free
DoremiPlus Piano & Synthesizer screenshot 1
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This app acts as a real-time Solfege teacher, identifying notes played on a keyboard and helping users develop their inner musical voice. It aids in learning to play by ear and potentially acquiring absolute pitch.

FM Synthesizer – Piano Keys#3

FM Synthesizer – Piano Keys by Stanislav Duplinskiy

Music frequency changer
Worth Considering
🎵 Music
1.7(6 ratings)
FreeIn-App Purchases
FM Synthesizer – Piano Keys screenshot 1
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FM Synthesizer – Piano Keys screenshot 3

Explore sound synthesis with adjustable parameters to create unique audio. Access new presets monthly, utilize multi-genre synths, and manage effect groups. Record and share your musical creations with others.

More Synthesizer Piano apps to explore

FAQ about Synthesizer Piano

What are the best synthesizer piano apps for iPhone?
AudioKit Synth One Synthesizer tops our synthesizer piano apps ranking as of November 2026, with a 4.9-star average from 27K App Store ratings, and it's free to download.
Yes — 12 of the top synthesizer piano apps we rank are free to download, including AudioKit Synth One Synthesizer and DoremiPlus Piano & Synthesizer.
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 239+ synthesizer piano apps on the iOS App Store as of November 2026, ranked by rating, recency, and analysis of real user reviews.