Report updated May 19, 2026
Harmonizr
For vocalists and music producers looking for real-time, MIDI-controllable vocal harmonization on mobile devices.
Overview · Full Intel report in progress
Harmonizr is an established music app that is a paid app. With a 4.2/5 rating from 26 reviews, it shows polarized user reception.
What is Harmonizr?
Current Momentum
v1.9 · 4d ago
IntenseLast updated 4d ago. 5 versions tracked.
Competition
Rivals identification in progress
7-Day Rank Pulse 🇺🇸
MusicRating Pulse 🇺🇸
What makes this app unique?
What Does It Look Like?
What Are The Key Features?
Synthesizes up to three additional harmony voices based on the user's input melody.
Supports external MIDI keyboards and controller apps to dictate harmony notes in real-time.
Functions as an Audio Unit extension within host apps like GarageBand, AUM, and Cubasis.
Provides on-screen key center buttons to guide the harmonization process.
How much does it cost?
Who Built It?
Matthew Robbins
View Publisher Intel →What other apps does Matthew Robbins make?
Analysis in progress, available soon
What do users think recently?
Analysis in progress, available soon
View the full user-sentiment analysis
Mood gauge, ratings & review-volume history, every praise / complaint / request, and sentiment over time.
Analysis in progress, available soon
What is the competitive landscape for Harmonizr?
How's The Music Market?
How does it evolve in the Music market?
Rank progression
18 active rankings tracked — 30-day window
Strategic analysis coming soon
SWOT, key takeaways & outlook
The outtake for Harmonizr
Key Takeaways
Harmonizr provides a specialized, MIDI-compatible vocal harmony engine that integrates directly into mobile music production workflows.
Where Is It Heading?
Trend analysis
Available very soon