# MeloVox vs Harmony Chack

The clearest difference is price: Harmony Chack at Free against MeloVox's $14.99. MeloVox's advantage is in-app purchases (none vs 1) and chart position (#193 vs unranked). On update cadence, ads and device support there is nothing between them.

Harmony Chack is free to download; MeloVox costs $14.99 up front. Harmony Chack sells 1 one-off in-app purchase. MeloVox asks for nothing beyond the download.

Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on October 27, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | MeloVox | Harmony Chack |
| --- | --- | --- |
| Price | $14.99 | **Free** |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/melovox-vocal-harmony/id6544800478/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | Fortnightly |
| Monetization | Paid | — |
| Best chart rank | **#193** | — |
| Size | 22 MB | 34 MB |
| Requires iOS | **13** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [4Pockets.com](https://appshunter.io/developer/370131860) | [Hironori Karube](https://appshunter.io/developer/1880243912) |

## What reviewers say

### MeloVox

[App page](https://appshunter.io/ios/app/melovox-vocal-harmony/id6544800478)

**Currently charting:** #193 Top Paid · Music (US App Store)

This app generates up to five simultaneous vocal harmonies with advanced formant preservation for natural-sounding results. It offers automatic harmony generation or precise MIDI control, along with built-in effects like a noise gate, doubler, EQ, and reverb.

**Highlights:** Up to 5 simultaneous harmonies, Formant preservation, Automatic harmony generation, MIDI control for harmonies, Built-in noise gate, Vocal doubler, EQ, and reverb, Preset manager and Set List

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

**In-app purchases:** none


### Harmony Chack

[App page](https://appshunter.io/ios/app/harmony-chack/id6803001408)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| プレミアム | $0.99 | one-time |


## Frequently asked questions

### Is MeloVox free?

MeloVox costs $14.99, with no in-app purchases.

### Is Harmony Chack free?

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

### Do MeloVox or Harmony Chack have ads?

Neither MeloVox nor Harmony Chack shows ads.

### Which is updated more often, MeloVox or Harmony Chack?

MeloVox ships an update fortnightly, and Harmony Chack fortnightly. Most recently, MeloVox was updated on October 27, 2026 and Harmony Chack on October 15, 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.*