apps / 1348742174
Harmonizr
Matthew Robbins · Music · $4.99 · US storefront
- rating
- 4.2 ★
- ratings
- 27
- updated
- May 14, 2026
- released
- May 31, 2018
v1.9
visible word pool · 1 words
title 9/30 chars · subtitle unavailable
App Store search indexes the title and subtitle together with the hidden 100-character keyword field as one combined pool: any phrase assembled from those words can rank. These are the words of Harmonizr's pool that are public — the keyword field is not exposed by any API.
from the listing
Harmonizr is a vocal harmonizer offering a unique and fun user interface. Plug in a pair of headphones and sing a melody, tapping the correct key center buttons, and Harmonizr will follow, synthesizing up to three voices of automatic harmony in your own voice. Plug in a MIDI keyboard, or use the on-screen one, and you can sing harmony like Imogen Heap or Jacob Collier, matching every note you play. Harmonizr also can also be used as an Audio Unit (AUV3) extension within other…
latest US reviews
★★★★★
Do you stillSupport this app?
Hi - I bought this and I wonder if the reason it doesn’t work is that you haven’t updated it to work with Apples iOS systems. Please let me know as I do not get the menu screens you show online.
— LNPK
★★★★★
BACK on the App Store!!!
Harmonizr was unavailable for a little while, but the great Developer has reopened it back on the App Store. Buy it while you can it is THE best vocal processing harmony app available. Cheers and thank you to Matthew Robbins!
— Glishba
★★★★★
Can’t hear keyboard output
It seems like a really cool and useful app for what I’d like to do. The keyboard, however, doesn’t produce sound. What you see are lights blinking on the keys which are, I’m guessing, related to the key you’re in. Beyond that, I can’t hear anything. Would love to try out the…
— lakersfan72
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