Thorn

Paid#28 of 38 in Software Synthesizers

Thorn: A focused spectral synth with deep modulation, effects and glitch sequencing. Ranked #28 of 38 in Software Synthesizers by our editors (7.2/10); pricing: 14-day trial; best for affordable spectral synthesis and glitch sequencing.

7.2/10★★★★☆Editor score

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At a glance

• Editor score
  7.2 / 10
• Pricing
  14-day trial
• Best for
  Affordable spectral synthesis and glitch sequencing
• Free plan
  No
• Founded
  2010 · Minsk, Belarus
• Facts checked
  20 Sep 2026

• Where it wins

  • Three harmonic oscillators with spectral filtering and effects
  • Extensive modulation with envelopes, LFOs and analog-modeled filters
  • Glitch sequencer, arpeggiator with MIDI output and nine effects

• Where it doesn't

  • No standalone app; Thorn is delivered as a plug-in
  • Desktop support is limited to Windows and macOS
  • It has no free plan and offers a 14-day trial

Our verdict on Thorn

Thorn is a software synthesizer for electronic music producers who want spectral sound design, harmonic processing and pattern-based sequencing in a plug-in instrument. Its core is a spectral synthesis engine with three harmonic oscillators, harmonic filtering and spectral effects. The instrument also supports FM, ring modulation, PWM and hard sync, giving it a broad set of electronic synthesis techniques while keeping its focus on timbral movement and texture.

Its strongest area is feature depth within that spectral focus. Thorn combines two analog-modeled multimode filters with three ADSR envelopes, three LFOs and two multistage envelopes, providing several routes for shaping evolving sounds. Nine effects extend the sound-design range, while the noise oscillator can play WAV samples. The 16-step arpeggiator adds MIDI output, and the pattern-based glitch sequencer gives the instrument a dedicated rhythm and stutter-oriented workflow rather than treating sequencing as an afterthought.

Thorn fits desktop production setups that support VST2, VST3, AU or AAX plug-ins on Windows or macOS. It is not a standalone app, so it suits producers working inside a compatible host rather than those seeking an independent instrument. The paid product includes a 14-day trial and has no free plan. Choose Thorn if spectral synthesis, modulation variety and glitch sequencing are central to your work. Producers who need standalone operation or support beyond Windows and macOS should choose a different synthesizer.

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Thorn pricing

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Thorn fact sheet

Alternatives to Thorn

• Arturia V Collection 11A broad, preset-focused instrument collection with clear Intro and Pro options.9.3
• KKontakt 8A broad sample-library platform with serious synthesis and DAW integration.9.1
• DDivaA deep analogue-style plug-in with broad modulation, effects and host-format support.8.8

See all Thorn alternatives →

Featured on iTechGuides

Thorn is listed in our Software Synthesizers directory. Add the badge to your site — it links back to this page.

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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Last updated 7 Oct 2026 · How we research and update