# Harmonizr vs VB3

The clearest difference is price: VB3 at Free against Harmonizr's $4.99. VB3 also leads on iOS requirement (12.0 vs 18.6). Harmonizr's advantage is rating (4.2 vs 3.5) and in-app purchases (none vs 2). On ratings volume there is nothing between them.

VB3 is free to download; Harmonizr costs $4.99 up front. VB3 sells 2 one-off in-app purchases. Harmonizr asks for nothing beyond the download.

Harmonizr holds the better App Store score, 4.2 against 3.5. Both are backed by a comparable volume of ratings — 27 and 16 respectively. Written reviews point the same way: 74% of Harmonizr's written reviews are positive against 50% of VB3's.

## The numbers

| Metric | Harmonizr | VB3 |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | **[4.2 (27 ratings)](https://appshunter.io/ios/app/harmonizr/id1348742174/reviews)** | [3.5 (16 ratings)](https://appshunter.io/ios/app/vb3-ii/id6464588684/reviews) |
| Number of ratings | **27** | 16 |
| Positive reviews | **73.9% of reviews** | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | — |
| Update frequency | Every 4 months | — |
| Monetization | Paid | **Free** |
| Size | 5 MB | 23 MB |
| Requires iOS | 18.6 | **12.0** |
| Devices | **iPhone, iPad** | — |
| Age rating | 4+ | 4+ |
| Developer | [Matthew Robbins](https://appshunter.io/developer/1348742173) | [Genuine Soundware](https://appshunter.io/developer/1560880481) |

## What reviewers say

### Harmonizr

[App page](https://appshunter.io/ios/app/harmonizr/id1348742174)

This app allows users to create vocal harmonies by singing along to a melody. It synthesizes up to three harmony voices in the user's own voice and can be controlled via MIDI input or used as an extension in other music production apps.

**Highlights:** Automatic vocal harmony synthesis, Real-time key center selection, MIDI keyboard integration, On-screen MIDI keyboard, Audio Unit (AUV3) extension support, Control via MIDI controller apps

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### VB3

[App page](https://appshunter.io/ios/app/vb3-ii/id6464588684)

This app emulates a classic tonewheel organ, offering advanced sound modeling and effects. It includes a session recorder, audio player for backing tracks, and extensive MIDI control for live performance and production.

**Highlights:** Tonewheel engine and rotary simulator, Ring Modulator and Delay effects, Session Recorder (MIDI & WAV), Built-in Audio Player, Extensive MIDI control and mapping, Touch-friendly interface with drawbar views

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Log-in to your GSi account | $0.99 | one-time |
| Unlock All Pro Features | $99.99 | one-time |


## Frequently asked questions

### Is Harmonizr free?

Harmonizr costs $4.99, with no in-app purchases.

### Is VB3 free?

VB3 is free to download, with in-app purchases available.

### Which has better reviews, Harmonizr or VB3?

Harmonizr is rated higher. Harmonizr averages 4.2 out of 5 from 27 ratings, while VB3 averages 3.5 from 16 ratings.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*