# utaco(ウタコ) カラオケの曲探しアプリ vs うたキー | カラオケで自分のキーがすぐわかる

The clearest difference is update cadence: うたキー | カラオケで自分のキーがすぐわかる at every 3 days against utaco(ウタコ) カラオケの曲探しアプリ's every 3 weeks. utaco(ウタコ) カラオケの曲探しアプリ's advantage is iOS requirement (16.0 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. utaco(ウタコ) カラオケの曲探しアプリ sells 2 in-app purchases, starting at $1.99 per month and うたキー | カラオケで自分のキーがすぐわかる sells 3 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

utaco(ウタコ) カラオケの曲探しアプリ ships an update every 3 weeks, うたキー | カラオケで自分のキーがすぐわかる every 3 days. The most recent releases landed on October 27, 2026 and November 1, 2026 respectively.

## The numbers

| Metric | utaco(ウタコ) カラオケの曲探しアプリ | うたキー | カラオケで自分のキーがすぐわかる |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 3 days** |
| Monetization | — | Free with in-app purchases |
| Size | 70 MB | 33 MB |
| Requires iOS | **16.0** | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Tomohiro Matsuo](https://appshunter.io/developer/1544990050) | [deruku](https://appshunter.io/developer/6773620366) |

## What reviewers say

### utaco(ウタコ) カラオケの曲探しアプリ

[App page](https://appshunter.io/ios/app/utaco/id1612253701)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月間プレミアムパス | $1.99 | per month |
| 年間プレミアムパス | $14.99 | per year |


### うたキー | カラオケで自分のキーがすぐわかる

[App page](https://appshunter.io/ios/app/id6790232910)

Find the perfect vocal key for any song to sing karaoke comfortably. This app analyzes your voice and suggests optimal key adjustments for your favorite tracks, making singing easier and more enjoyable. Manage your song list and track your progress with personalized recommendations.

**Highlights:** Personalized key recommendations, Vocal range analysis, Song search by key and theme, Vocal performance tracking, Favorite song management, User-friendly interface

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| UtaKey PRO (Monthly) | $2.99 | per month |
| うたきー PRO（年額） | $22.99 | per year |
| 広告削除 | $9.99 | one-time |


## Frequently asked questions

### Is utaco(ウタコ) カラオケの曲探しアプリ free?

utaco(ウタコ) カラオケの曲探しアプリ is free to download, with in-app purchases available.

### Is うたキー | カラオケで自分のキーがすぐわかる free?

うたキー | カラオケで自分のキーがすぐわかる is free to download, with in-app purchases available.

### Do utaco(ウタコ) カラオケの曲探しアプリ or うたキー | カラオケで自分のキーがすぐわかる have ads?

Neither utaco(ウタコ) カラオケの曲探しアプリ nor うたキー | カラオケで自分のキーがすぐわかる shows ads.

### Which is updated more often, utaco(ウタコ) カラオケの曲探しアプリ or うたキー | カラオケで自分のキーがすぐわかる?

utaco(ウタコ) カラオケの曲探しアプリ ships an update every 3 weeks, and うたキー | カラオケで自分のキーがすぐわかる every 3 days. Most recently, utaco(ウタコ) カラオケの曲探しアプリ was updated on October 27, 2026 and うたキー | カラオケで自分のキーがすぐわかる on November 1, 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.*