Best Fm Synth Apps

247+ iOS apps curated and reviewed

4.1 avg rating
11 free apps
Updated November 2026

Finding the right fm synth apps can be overwhelming with so many options. We've analyzed 247+ apps to bring you the best choices for 2026, from free options to premium solutions with advanced features.

Compare top Fm Synth Apps (November 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1King of FM 2: DX Synth/E PianoKing of FM 2: DX Synth/E PianoFree4.9★ (1.9K)NoNoNov 2026
2DX-SQUARE - Classic FM syntheDX-SQUARE - Classic FM syntheFree2.0★ (2)NoNoNov 2026
3FX-SQUARE - Classic FM syntheFX-SQUARE - Classic FM syntheFree—NoNoNov 2026
4AudioKit Synth One SynthesizerAudioKit Synth One SynthesizerFree4.9★ (27K)NoNoNov 2026
5AMB-R SynthAMB-R SynthFree4.3★ (3)NoNoOct 2026
6FM Pocket SynthesiserFM Pocket SynthesiserFree—NoYesJul 2026
7PX1 FM SynthPX1 FM Synth$7.99 was $14.995.0★ (2)NoNoNov 2026
8Polywave - Wavetable SynthPolywave - Wavetable SynthFree4.7★ (34)NoYesOct 2026

Top Picks for Fm Synth

King of FM 2: DX Synth/E Piano#1

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

#1 DX7 Sounds & Electric Piano
Editor's Choice
🎵 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
DX-SQUARE - Classic FM synthe#2

DX-SQUARE - Classic FM synthe by Kouki Yoshimoto

Play and Shape 80s FM Sounds
Strong Contender
🎵 Music
2.0(2 ratings)
Free
DX-SQUARE - Classic FM synthe screenshot 1

Create and manipulate 80s FM synth sounds with a tactile hardware-style interface. Explore curated presets, use a Kaoss Physics-style filter pad for expressive control, and add essential effects. Ideal for music production or on-the-go sound design.

More Fm Synth apps to explore

FAQ about Fm Synth

What are the best fm synth apps for iPhone?
King of FM 2: DX Synth/E Piano tops our fm synth apps ranking as of November 2026, with a 4.9-star average from 1.9K App Store ratings, and it's free to download.
Yes — 11 of the top fm synth apps we rank are free to download, including King of FM 2: DX Synth/E Piano and DX-SQUARE - Classic FM synthe.
King of FM 2: DX Synth/E Piano has no ads and has no in-app purchases, according to its App Store listing as of November 2026.
We track 247+ fm synth apps on the iOS App Store as of November 2026, ranked by rating, recency, and analysis of real user reviews.

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