Alternatives to the Old Blood Noise Endeavors BL-13

Behringer Octavia Octave Fuzz

Shared character: tight_tracking, one_octave, clean

TC Electronic Sub 'N' Up Mini

similar tone character

Behringer Octave Divider

similar tone character

Boss OC-2 Octave

similar tone character

Boss OC-3 Super Octave

similar tone character

Boss OC-5

similar tone character

Hungry Robot The Monastery Octave Generator

similar tone character

Boss PS-6

similar tone character

EarthQuaker Devices Tentacle V2

similar tone character

DigiTech HammerOn

similar tone character

Walrus Audio Luminary

Shared character: tight_tracking, one_octave, noise

JHS Double Dragon

Shared character: experimental_textures, tight_tracking, grit

Roger Mayer Octavia

Shared character: tight_tracking, one_octave

Roger Mayer Octavia Classic

Shared character: tight_tracking, one_octave

Boss OC-2 Octaver

Shared character: tight_tracking, one_octave, noise

DigiTech Whammy Pitch-Shifting Pedal

Shared character: tight_tracking, one_octave, touch

Mooer Twin Tender Octaver Pro

Shared character: tight_tracking, one_octave, clean

Electro-Harmonix Pico Pitch Fork

similar tone character

EarthQuaker Devices Bit Commander Analog Octave Synth

similar tone character

EarthQuaker Devices Rainbow Machine

similar tone character

Electro-Harmonix Pico POG

similar tone character

Electro-Harmonix Pitch Fork Plus

similar tone character