Best Synthesizer Fm Apps

238+ iOS apps curated and reviewed

4.0 avg rating
11 free apps
Updated October 2026

DXi FM synthesizer is the household name in synthesizer fm, but it's far from the only option. We track 238+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Compare top Synthesizer Fm Apps (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1DXi FM synthesizerDXi FM synthesizer$1.994.3★ (19)NoNoOct 2026
2FM Synthesizer – Piano KeysFM Synthesizer – Piano KeysFree1.7★ (6)NoYesJul 2026
3Baervaag - FM SynthesizerBaervaag - FM Synthesizer$8.993.9★ (9)NoNoOct 2026
4Sonic Synth : FM synthesizerSonic Synth : FM synthesizer$1.993.0★ (1)NoNoOct 2026
5Deep Synth : FM SynthesizerDeep Synth : FM Synthesizer$4.994.0★ (2)NoNoMay 2026
6KQ Dixie LegacyKQ Dixie Legacy$10.994.8★ (100)NoYesOct 2026
7FM Essential - USFM Essential - USFree3.0★ (70)NoNoMay 2026
8Hyperion SynthesizerHyperion Synthesizer$4.99—NoNoAug 2026

Top Picks for Synthesizer Fm

4.3(19 ratings)
$1.99
DXi FM synthesizer screenshot 1
DXi FM synthesizer screenshot 2
DXi FM synthesizer screenshot 3
DXi FM synthesizer screenshot 4
DXi FM synthesizer screenshot 5

Create unique sounds and music with this FM synthesizer app inspired by 80s hardware. Explore a variety of parameters to craft special tones and effects, and even record your creations. Includes a bonus 16-step loop sequencer for added musical exploration.

FM Synthesizer – Piano Keys#2

FM Synthesizer – Piano Keys by Stanislav Duplinskiy

Music frequency changer
Strong Contender
🎵 Music
1.7(6 ratings)
FreeIn-App Purchases
FM Synthesizer – Piano Keys screenshot 1
FM Synthesizer – Piano Keys screenshot 2
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.

3.9(9 ratings)
$8.99
Baervaag - FM Synthesizer screenshot 1
Baervaag - FM Synthesizer screenshot 2
Baervaag - FM Synthesizer screenshot 3
Baervaag - FM Synthesizer screenshot 4
Baervaag - FM Synthesizer screenshot 5

This powerful yet accessible synthesizer brings FM synthesis to mobile devices. It offers expressive control through velocity sensitivity and includes versatile effects like a low-pass filter, stereo chorus, and tempo-synced delay. Explore a wide range of sounds with handcrafted presets and adjustable oscillator shapes.

More Synthesizer Fm apps to explore

FAQ about Synthesizer Fm

What are the best synthesizer fm apps for iPhone?
DXi FM synthesizer tops our synthesizer fm apps ranking as of October 2026, with a 4.3-star average from 19 App Store ratings, and it's priced at $1.99.
Yes — 11 of the top synthesizer fm apps we rank are free to download, including FM Synthesizer – Piano Keys and FM Essential - US.
DXi FM synthesizer has no ads and has no in-app purchases, according to its App Store listing as of October 2026.
We track 238+ synthesizer fm apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.