# Charmii（チャーミー） vs iSoundYou

The clearest difference is rating: iSoundYou at 5.0 against Charmii（チャーミー）'s 3.9. Charmii（チャーミー）'s advantage is in-app purchases (none vs 2) and ads (none vs shown). On price and update cadence there is nothing between them.

Both are free to download. iSoundYou sells 2 one-off in-app purchases. Charmii（チャーミー） asks for nothing beyond the download.

iSoundYou holds the better App Store score, 5.0 against 3.9. That said, the two scores are not equally well evidenced: Charmii（チャーミー） has 7 ratings behind it against 1, so its average is the more settled of the two.

Charmii（チャーミー） ships an update every 6 days, iSoundYou every 3 days. Both last shipped on October 24, 2026.

## The numbers

| Metric | Charmii（チャーミー） | iSoundYou |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.9 (7 ratings)](https://appshunter.io/ios/app/charmii/id6466741003/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/isoundyou/id6755599896/reviews)** |
| Number of ratings | **7** | 1 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 6 days | **Every 3 days** |
| Monetization | Free | — |
| Size | 150 MB | 190 MB |
| Requires iOS | **14.0** | 18 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Hideki Fushiki](https://appshunter.io/developer/1476660356) | [Shum Wing Chiu](https://appshunter.io/developer/593940858) |

## What reviewers say

### Charmii（チャーミー）

[App page](https://appshunter.io/ios/app/charmii/id6466741003)

Easily add various effects and animate characters to your dance videos. Apply real-time effects, sync 3D characters to your movements, and customize backgrounds and music. Save and share your creations on social media.

**Highlights:** Real-time dance effect synthesis, 3D character animation synced to movement, VRoid Hub character integration, Video import and live camera effects, Customizable backgrounds and music, Direct social media sharing

**Features:** macOS Compatibility

**In-app purchases:** none


### iSoundYou

[App page](https://appshunter.io/ios/app/isoundyou/id6755599896)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| More Keycaps | Free | one-time |
| Sponsor Version | $0.99 | one-time |


## Frequently asked questions

### Is Charmii（チャーミー） free?

Charmii（チャーミー） is free to download, with no in-app purchases.

### Is iSoundYou free?

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

### Which has better reviews, Charmii（チャーミー） or iSoundYou?

iSoundYou is rated higher. Charmii（チャーミー） averages 3.9 out of 5 from 7 ratings, while iSoundYou averages 5.0 from 1 ratings.

### Do Charmii（チャーミー） or iSoundYou have ads?

iSoundYou shows ads; Charmii（チャーミー） does not.

### Which is updated more often, Charmii（チャーミー） or iSoundYou?

Charmii（チャーミー） ships an update every 6 days, and iSoundYou every 3 days. Most recently, Charmii（チャーミー） was updated on October 24, 2026 and iSoundYou on October 24, 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.*