Alternatives to the EarthQuaker Devices Rainbow Machine

Electro-Harmonix Pitch Fork Plus

Shared character: pitch_modulation, single_rig, tight_tracking

Electro-Harmonix Slammi Plus

Shared character: pitch_modulation, tight_tracking, one_octave

DigiTech Whammy Pitch-Shifting Pedal

Shared character: pitch_modulation, tight_tracking, one_octave

JHS Double Dragon

Shared character: tight_tracking, one_octave, digital

Behringer Octavia Octave Fuzz

Shared character: tight_tracking, one_octave

Electro-Harmonix Intelligent Harmony Machine

Shared character: pitch_modulation, single_rig, tight_tracking

Electro-Harmonix Pico Pitch Fork

similar tone character

Boss OC-2 Octaver

similar tone character

Boss PS-6

similar tone character

Alexander Pedals Fever Pitch

Shared character: pitch_modulation, one_octave, ambient

Roger Mayer Octavia Classic

Shared character: tight_tracking, one_octave, digital

Roger Mayer Octavia

Shared character: tight_tracking, one_octave

Walrus Audio Luminary

Shared character: tight_tracking, one_octave, ambient

Meris MR Hedra

similar tone character

Meris Enzo

similar tone character

Death By Audio Robot

similar tone character