Best apps like ButterSynth

22+ similar apps compared and reviewed

4.5 avg rating
4 free apps
Updated July 2026

Looking for something like ButterSynth? We've analyzed 22+ 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 ButterSynth

FabFilter Twin 3#1

FabFilter Twin 3 by FabFilter

Powerful synthesizer plug-in
Editor's Choice
🎵 Music
4.6(42 ratings)
$24.99
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This powerful virtual analog synthesizer offers a vast array of sound-shaping tools, including multiple oscillators, filters, and a comprehensive modulation system. Create a wide range of synth sounds with an intuitive interface and a rich factory preset library.

Tera Pro#2

Tera Pro by Harry Gohs

Modular PolySynth
Strong Contender
🎵 Music
4.6😊(154 ratings)
$6.99In-App Purchases
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Explore a vast array of sound synthesis methods, from analog emulations to modern digital techniques. Combine modules for unique sonic textures, enhanced by an intelligent interface and realtime visual feedback. Expand your sound palette with additional modules available through in-app purchases.

What We Love

  • 🎵 Exceptional sound quality and versatile synthesis capabilities
  • 💡 Innovative modular workflow with flexible architecture
  • 🎛️ Extensive preset library (1000+ presets)
  • 🔧 Powerful sound design tools with multiple synthesis types

Room to Improve

  • 🎮 Steep learning curve and complex UI
  • ⌨️ Unconventional on-screen keyboard design
  • 🐛 Frequent crashes and stability issues
SynthMaster 2#3

SynthMaster 2 by KV331 YAZILIM LTD STI

Power Synth
Worth Considering
🎵 Music
4.8😊(451 ratings)
$14.99AdsIn-App Purchases
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This powerful software synthesizer offers a vast array of sound design capabilities, including multiple oscillator modes, extensive modulation options, and a wide selection of filters. Explore over 1000 factory presets or create your own unique sounds. Available as a standalone app or AUv3 plugin.

What We Love

  • 🚀 Best synth on iPad
  • 👍 Delicious sound
  • 👍 Tremendously powerful synth
  • 👍 Great synth with complex possibilities and great sound(s)

Room to Improve

  • 🐛 Auswahl der Modulationsquellen funktioniert nicht richtig
  • 🐛 Echt schlecht
  • 🐛 Broken Preset System for a powerful synth

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