Best DX alternatives: apps like DX-SQUARE - Classic FM synthe

10+ similar apps compared and reviewed

4.4 avg rating

10 free apps

Updated November 2026

Kouki Yoshimoto

DX is great, but it's not the only option. Explore 10+ similar apps for iPhone and iPad, each reviewed and rated by real users. Find free alternatives, premium upgrades, and hidden gems.

Top Alternatives to DX

Derson DSynth Mobile by DERSON PRODUCTIONS, LLC

Sound design synth

Editor's Choice

🎵 Music

3.0(1 ratings)

Free

Rithmatic: FM Synth by MADE WITH BEST PRACTICE LLC

FM synthesizer & AUv3 plugin

Strong Contender

🎵 Music

4.6(9 ratings)

FreeIn-App Purchases

This app is an FM synthesizer with a vast library of classic voices. It allows users to explore, learn, build, and blend sounds, and can be used as a standalone instrument or an AUv3 plugin within DAWs. It offers a visual representation of sound and a patch builder for understanding FM synthesis.

PocketChop by Fabio Antonucci

Pocket sampler & loop maker

Worth Considering

🎵 Music

0.0(0 ratings)

Free

More apps like DX

Tonic Synths

Play + Sculpt + Export Audio

Free

This app offers a portable music studio with 14 unique synthesizers for creating and sculpting audio. Users can draw sounds, program melodies, and apply effects like reverb and compression. Recordings can be exported as WAV files for use in other projects.

14 unique synthesizersXY pad sound sculpting8-step melody programming

Beat Kitchen Harmonic Synth

Harmonic synth & audio effect

Free

Shape the overtone series directly to create unique sounds. This additive synthesizer allows real-time manipulation of harmonics, LFOs, and envelopes. Explore sound design and synthesis on your device.

Additive synthesis engineOvertone series shapingLive waveform and spectrum response

🎵 Music

(12)

free with in-app purchases

Compare with DX

Mochizuki - AUv3 Synth

4-Oscillator Synthesizer

Free

This is a subtractive synthesizer application featuring four oscillators. It offers a platform for creating and manipulating sounds. More detailed information is available on the product website.

Subtractive synthesisFour oscillatorsAUv3 plugin support

🎵 Music

(11)

free with in-app purchases

Compare with DX

Synth Box: Music Synthesizer

MIDI Keyboard, Sounds & FX

Free

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.

Slide-to-play keyboard with pitch/mod wheelsDual morphing wavetable oscillatorsMoog-style low-pass filter

MIDI 2.0 FM Synthesizer

Free

Create music with a powerful 6-operator FM synthesizer. Explore hand-crafted presets or import classic DX7 banks. Use the on-screen keyboard or connect MIDI controllers for a versatile music-making experience.

6-operator, 32-algorithm FM synthesisOn-screen keyboard with velocity controlDX7-format .syx bank import

Synthwave SID-inspired synth

Free

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.

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

This app is an 8-voice polyphonic synthesizer that combines the feel of classic analog synths with the unique character of waveform memory sound sources. It offers a wide range of sound creation capabilities, from warm pads and powerful basses to digital game sounds and sound effects.

8-voice polyphonyDual oscillator configurationAnalog modeling and waveform memory