Alternatives to the Electro-Harmonix Intelligent Harmony 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

TC Electronic Quintessence Harmony Intelligent Harmonizer

Shared character: lead

T-Rex Quint Machine

Shared character: lead

Boss PS-6

Shared character: pitch modulation, tight tracking, one octave

Behringer Octavia Octave Fuzz

Shared character: tight tracking, one octave, clean

Electro-Harmonix Pico Pitch Fork

similar tone character

TC Electronic Sub 'N' Up Mini

similar tone character

Alexander Pedals Fever Pitch

Shared character: pitch modulation, one octave

Meris Hedra Shifter

Shared character: pitch modulation, tight tracking

Mu-Tron Octave Divider

Shared character: tight tracking, one octave

Roger Mayer Octavia Classic

Shared character: each note, tight tracking, one octave

Roger Mayer Octavia

Shared character: each note, tight tracking, one octave

Meris Enzo X

similar tone character

EarthQuaker Devices Rainbow Machine

Shared character: pitch modulation, single rig, tight tracking

Meris MR Hedra

Shared character: pitch modulation, one octave, lead

Walrus Audio Luminary

Shared character: tight tracking, one octave, clean

DigiTech Whammy Pitch-Shifting Pedal

Shared character: pitch modulation, tight tracking, one octave

Boss XS-1

Shared character: each note, tight tracking, one octave

EarthQuaker Devices Arpanoid V2

Shared character: tight tracking

EVH Pitch Fork

Shared character: tight tracking, one octave

TC Electronic Pitchfork

Shared character: pitch modulation, one octave

Hotone Skyline Harmony Pitch Shifter/Harmonist

Shared character: pitch modulation, tight tracking

DigiTech HammerOn

Shared character: pitch modulation, tight tracking, one octave

EarthQuaker Devices Bit Commander Analog Octave Synth

Shared character: each note, tight tracking, one octave

Red Panda Tensor

similar tone character