# Harmonizer vs VocalRig Studio

The clearest difference is in-app purchases: Harmonizer at none against VocalRig Studio's 1. VocalRig Studio's advantage is update cadence (every 2 weeks vs every 2 months) and iOS requirement (15.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. VocalRig Studio sells 1 one-off in-app purchase. Harmonizer asks for nothing beyond the download.

Harmonizer ships an update every 2 months, VocalRig Studio every 2 weeks. Both last shipped on October 31, 2026.

## The numbers

| Metric | Harmonizer | VocalRig Studio |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.0 (1 ratings)](https://appshunter.io/ios/app/vocalrig-studio/id6811850283/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 20 MB | 11 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Peter Hafner](https://appshunter.io/developer/1625319412) | [Yael Nahar](https://appshunter.io/developer/6811850286) |

## What reviewers say

### Harmonizer

[App page](https://appshunter.io/ios/app/harmonizer-auv3/id6791999719)

**In-app purchases:** none


### VocalRig Studio

[App page](https://appshunter.io/ios/app/vocalrig-studio/id6811850283)

This app provides a comprehensive vocal processing chain for mobile devices. It offers real-time effects, pitch correction, and a doubler, allowing users to achieve studio-quality vocals on their iPhone or iPad. It can be used standalone or as an AUv3 plugin within other music production apps.

**Highlights:** Real-time vocal processing chain, AUv3 plugin for DAWs, Pitch correction with custom scales, Doubler for stacked vocals, Macro knobs for chain control, 60 genre-specific presets, Standalone operation

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VocalRig Studio Pro | $9.99 | one-time |


## Frequently asked questions

### Is Harmonizer free?

Harmonizer is free to download, with no in-app purchases.

### Is VocalRig Studio free?

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

### Do Harmonizer or VocalRig Studio have ads?

Neither Harmonizer nor VocalRig Studio shows ads.

### Which is updated more often, Harmonizer or VocalRig Studio?

Harmonizer ships an update every 2 months, and VocalRig Studio every 2 weeks. Most recently, Harmonizer was updated on October 31, 2026 and VocalRig Studio on October 31, 2026.

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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.*