Best Rubberband alternatives: apps like Rubberband: Microtonal Synth

10+ similar apps compared and reviewed

3.6 avg rating
9 free apps
Updated November 2026

Looking for something like Rubberband? We've analyzed 10+ similar apps to help you find the best alternative. Each app is compared by ratings, features, and real user reviews, so you can make the right choice.

Top Alternatives to Rubberband

24-TET Keys: Microtonal MIDI#1

24-TET Keys: Microtonal MIDI by Maxim Oransky

Quarter Tones on a Keyboard
Editor's Choice
๐ŸŽต Music
4.6(5 ratings)
Free
24-TET Keys: Microtonal MIDI screenshot 1
24-TET Keys: Microtonal MIDI screenshot 2
24-TET Keys: Microtonal MIDI screenshot 3

Explore microtonal music with a virtual keyboard that plays notes between standard semitones. Hear quarter tones instantly, send them as MIDI to your DAW, and discover unique keyboard layouts that morph into each other.

More apps like Rubberband

4
Derson DSynth Mobile
Derson DSynth Mobile
Derson DSynth Mobile
Sound design synth
Free

Create complex sounds with a polyphonic synthesizer. Build custom patches using multiple oscillators, envelopes, and a flexible effects chain. Practice or perform with responsive on-screen keys and MIDI input.

Multi-layer oscillatorsPer-oscillator envelopes and filtersReorderable FX chain
๐ŸŽต Music
(1)
free
5
Geography: Granular Synth
Geography: Granular Synth
Geography: Granular Synth
A granular synth made of Earth
Free

This app transforms any sound into an interactive sonic landscape. Explore a world where sound particles fall and interact with different geological layers, offering unique playback and manipulation tools. It's a creative instrument that visualizes sound as a dynamic, explorable terrain.

Interactive sound terrain visualizationAdjustable gravity and string materialsOn-screen keyboard and ribbon controller
๐ŸŽต Music
(1)
free with in-app purchases
6
TranceXY - Theremin Synth
TranceXY - Theremin Synth
TranceXY - Theremin Synth
Play Trance With Your Fingers
Free
๐ŸŽต Music
(0)
7
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
๐ŸŽต Music
(2)
free
8
DX-SQUARE - Classic FM synthe
DX-SQUARE - Classic FM synthe
DX-SQUARE - Classic FM synthe
Play and Shape 80s FM Sounds
Free

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.

Hardware-style UICurated presetsKaoss Physics-style filter pad
๐ŸŽต Music
(2)
free
9
Oktopus Synthesizer
Oktopus Synthesizer
Oktopus Synthesizer
Omnipotential Instrument
$4.99

A powerful, modular-inspired synthesizer and AUv3 extension for iOS. Shape complex sounds with 8 synth blocks, sample loading, creative MIDI sequencing, and a flexible effects chain. Ideal for sound design and music creation in DAWs or standalone.

8-block synth architectureModular sound designAUv3 instrument support
๐ŸŽต Music
(12)
paid
10
JP-SQUARE - synthesizer
JP-SQUARE - synthesizer
JP-SQUARE - synthesizer
ใ‚ขใƒŠใƒญใ‚ฐใ‚ทใƒณใ‚ป
Free

This application emulates a legendary analog polyphonic synthesizer, offering 8 distinct analog synth voices. Users can sculpt sounds with authentic VCF and ADSR controls, utilize an arpeggiator, and split the keyboard for dual-sound performance. Built-in effects and pitch lever allow for expressive sound design on the go.

8 Analog Synth VoicesAuthentic VCF ControlADSR Envelope
๐ŸŽต Music
(1)
free