Best KG alternatives: apps like KG-SQUARE-Virtual Analog Synth

10+ similar apps compared and reviewed

4.5 avg rating
10 free apps
Updated November 2026

Whether you want more options like KG or a completely different take on the same concept, our curated list of 10+ similar apps has you covered. Updated for 2026 with the latest ratings and comparisons.

Top Alternatives to KG

Tonic Synths#2

Tonic Synths by UpTech Works, LLC

Play + Sculpt + Export Audio
Strong Contender
🎵 Music
5.0(2 ratings)
Free
Tonic Synths screenshot 1
Tonic Synths screenshot 2
Tonic Synths screenshot 3
Tonic Synths screenshot 4
Tonic Synths screenshot 5

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.

More apps like KG

4
AMB-R Synth
AMB-R Synth
AMB-R Synth
Alternate FM Synthesizer
Free

This mobile application offers a simplified approach to FM synthesis, allowing users to create a variety of sounds, from crystalline textures to sharp basslines, directly on their device. It's designed for on-the-go sound design and musical exploration.

Simplified FM synthesisPocket-sized designSound shaping
🎵 Music
(3)
free
5
Leaf Light
Leaf Light
Leaf Light
Relax and Delay
Free

This app offers a unique audio experience, simulating a lightfield lenticular ambiance machine with flanger, delay, and reverb effects. Control sound parameters through a simulated tree canopy, blending natural sights and sounds for relaxation or musical creativity.

Lightfield lenticular ambiance machineFlanger, delay, and reverb effectsSimulated tree canopy control
🎵 Music
(2)
free
6
Synth Box: Music Synthesizer
Synth Box: Music Synthesizer
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
🎵 Music
(1)
freemium
7
LuSID Synthesizer
LuSID Synthesizer
LuSID Synthesizer
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
🎵 Music
(1)
free
8
Rithmatic: FM Synth
Rithmatic: FM Synth
Rithmatic: FM Synth
FM synthesizer & AUv3 plugin
Free

Explore a vast library of classic synthesizer sounds and learn the intricacies of FM synthesis. Create, blend, and play unique sounds using on-screen keys or a MIDI controller. This app functions as a standalone instrument and an AUv3 plugin for music production software.

36,118 classic DX7 voices includedAUv3 plugin for DAWsInteractive FM synthesis learning tool
🎵 Music
(10)
free
9
Synesthesia Synth
Synesthesia Synth
Synesthesia Synth
Audiovisual synthesizer
Free

An experimental audio-visual instrument that allows users to sculpt evolving spatial audio by manipulating floating capsules. Position, rotation, and pulse changes affect tone, texture, and synchronized particle generation. It's a visual synthesizer, not a game.

Experimental audio-visual instrumentSculpt evolving spatial audioManipulate floating capsules
🎵 Music
(2)
free
10
Mochizuki - AUv3 Synth
Mochizuki - AUv3 Synth
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
(13)
free with in-app purchases