# カラオケ大学 vs Jazz Practice Journal

The clearest difference is review sentiment: カラオケ大学 at 93% against Jazz Practice Journal's 0%. カラオケ大学 also leads on in-app purchases (none vs 1) and iOS requirement (10.0 vs 18.0). Jazz Practice Journal's advantage is update cadence (weekly vs every 3 weeks). On price, ads and device support there is nothing between them.

Both are free to download. Jazz Practice Journal sells 1 in-app purchase, starting at $3.99 per month. カラオケ大学 asks for nothing beyond the download.

カラオケ大学 ships an update every 3 weeks, Jazz Practice Journal weekly. The most recent releases landed on November 2, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | カラオケ大学 | Jazz Practice Journal |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/jazz-practice-journal/id6759104072/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | **93.3% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Weekly** |
| Monetization | — | Freemium |
| Size | 19 MB | 17 MB |
| Requires iOS | **10.0** | 18.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [AtoNO Records](https://appshunter.io/developer/1453645860) | [Toshihiro Suzuki](https://appshunter.io/developer/894595990) |

## What reviewers say

### カラオケ大学

[App page](https://appshunter.io/ios/app/id1453645861)

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

**In-app purchases:** none


### Jazz Practice Journal

[App page](https://appshunter.io/ios/app/jazz-practice-journal/id6759104072)

Log music practice sessions quickly, identify areas for improvement, and build motivation with streaks. Features include an AI coach, automatic routine generation, and multi-instrument support.

**Highlights:** Log practice sessions in 30 seconds, AI practice coach identifies blind spots, Automatic daily routine generation, Multi-instrument support with presets, Integrated metronome, tuner, and drone (Pro), Streak tracking for motivation, Weekly and monthly practice reviews

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro - monthly | $3.99 | per month |


## Frequently asked questions

### Is カラオケ大学 free?

カラオケ大学 is free to download, with no in-app purchases.

### Is Jazz Practice Journal free?

Jazz Practice Journal is free to download, with in-app purchases available.

### Do カラオケ大学 or Jazz Practice Journal have ads?

Neither カラオケ大学 nor Jazz Practice Journal shows ads.

### Which is updated more often, カラオケ大学 or Jazz Practice Journal?

カラオケ大学 ships an update every 3 weeks, and Jazz Practice Journal weekly. Most recently, カラオケ大学 was updated on November 2, 2026 and Jazz Practice Journal 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.*