Plugin comparison

RC-20 Retro Color vs ShaperBox 3

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

Independent score / workflow fit / buying signal

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Contenders

The side-by-side

Score verdict

Which should you buy?

On the Dubspot Score, ShaperBox 3 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

SignalRC-20 Retro ColorShaperBox 3
Price$99 intro to 12 Jan 2027 (list $129)—
Dubspot Score8.68.7
FormatsVST3, AU, AAXVST 2, VST 3, AU (Mac only), AAX
TypeCreative effect / character processing plugin—
Effect modulesNoise, Wobble, Distort, Digital, Space, Loss, plus the new Echo module—
Plugin formatsVST3, AU, AAX (64-bit)—
Mac requirementsmacOS 10.13 or later (64-bit)—
Windows requirementsWindows 10 or 11 (64-bit)—
Upgrade from v1$19 at Plugin Boutique until 12 Jan 2027 (list $39)—
Trial10 days, full version—
Magnitude controlSingle slider to scale the intensity of all active effects at once—
Included effects—11 Shapers: Pitch, Reverb, Time, Drive, Noise, Liquid, Filter, Crush, Volume, Pan, Width
Multiband—Every Shaper can be split into 3 bands, each with independent LFO and envelope follower controls
Modulation—Drawable LFO waveforms plus envelope follower per band
Mac formats—VST 2, VST 3, AU, AAX (Intel and Apple Silicon)
Windows formats—VST 2, VST 3, AAX (64-bit)
System requirements—macOS 10.15 or later; Windows 7, 8, 10 or 11

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