Best apps like iSyn Poly

6+ similar apps compared and reviewed

4.5 avg rating
1 free apps
Updated July 2026

Looking for something like iSyn Poly? We've analyzed 6+ 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 iSyn Poly

TB Flowtones#1

TB Flowtones by ToneBoosters

Virtual analog synthesizer
Editor's Choice
🎵 Music
4.6(37 ratings)
$9.99
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This virtual analog synthesizer app offers a true VA synthesis engine with analog-modeled filters and extensive modulation options. Create warm, analog-sounding music with a powerful architecture, diverse waveforms, and pro-grade effects. It also includes an integrated step sequencer and hundreds of presets.

ID700#2

ID700 by Jonathan Schatz

Vintage Digital Synthesizer
Strong Contender
🎵 Music
4.8(125 ratings)
$12.99
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This app is a software synthesizer that recreates the voice architecture of the Buchla 700. It offers hybrid FM and waveshaping synthesis with extensive customization options for sound design. It functions as a standalone app or an AUv3 plugin for music production software.

SyndtSphere#3

SyndtSphere by Klevgränd produkter AB

Sound Surfer Synthesizer
Worth Considering
🎵 Music
3.5(15 ratings)
$1.99
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Explore a novel approach to sound design with this synthesizer. Rotate a sphere with over 70 presets to discover ideal sounds, enhanced by a stereo ping-pong delay and global settings. It's AUv3 compatible for use within other music production apps.