Plugin comparison

Phase Plant vs Spire

Specs, price and the Dubspot Score, side by side — with our verdict on which synth to buy.

Independent score / workflow fit / buying signal

Contenders

The side-by-side

Synth / Kilohearts

Phase Plant

$199

8.7Great

Phase Plant is a semi-modular software synthesizer combining wavetable, sample, and noise generators with modular modulation and built-in effects.

Synth / Reveal Sound

Spire

8.1Great

Spire by Reveal Sound is a polyphonic software synthesizer combining four multimode oscillators with a unison engine, filters, and built-in effects.

Score verdict

Which should you buy?

On the Dubspot Score, Phase Plant comes out ahead (8.7). That said, the right pick depends on your workflow and budget — read both reviews before deciding.

Technical matrix

Specs compared

SignalPhase PlantSpire
Price$199
Dubspot Score8.78.1
FormatsVST2, VST3, AU (Audio Unit), AAXVST2, VST3, AU, AAX, CLAP
TypeSemi-modular software synthesizer (softsynth)
GeneratorsRegular waveforms, wavetables, samples, and noise
FM/ModulationCross-modulate and self-modulate volume, frequency, and phase between all signal generators
EffectsThree effects lanes; includes Kilohearts Essentials effects
MIDIMPE (MIDI Polyphonic Expression) support
Operating systemsWindows and macOS, 64-bit x86 with SSE3; macOS Apple M-series supported
Oscillators4x multimode polymorphing oscillators (Classic, Noise, FM, AMSync, SawPWM, HardFM, Vowel)
Unison9x unison voices per oscillator (supersaw/hypersaw capable, spread by chords and octaves)
Filters2x multimode filters with analogue and digital types (Perfecto, Infecto, Acido, Scorpio, Combo, Shaper)
Built-in FXShaper/Decimator, Phaser/Vowel, Chorus/Flanger, Delay, Reverb, plus X-Comp multiband compressor and 3-band EQ
Modulation4x Macros, 4x Envelopes, 4x LFOs with morphing shapes, 15x matrix slots (2 sources + 4 targets each), 2x Steppers, Arpeggiator
Factory presetsOver 1000 factory presets (arpeggios, basses, leads, pads, plucks, drums, FX)
Current version1.5.19
System requirementsmacOS 10.15+ (Intel/Apple M1) or Windows (64-bit and 32-bit); legacy builds for macOS 10.8-10.14

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