# J.Sugarの音感トレーニング vs Quizzy Kids

The clearest difference is ads: J.Sugarの音感トレーニング at none against Quizzy Kids's shown. Quizzy Kids's advantage is update cadence (every 3 days vs every 9 days). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. J.Sugarの音感トレーニング sells 5 one-off in-app purchases and Quizzy Kids sells 3 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

J.Sugarの音感トレーニング ships an update every 9 days, Quizzy Kids every 3 days. The most recent releases landed on October 25, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | J.Sugarの音感トレーニング | Quizzy Kids |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 9 days | **Every 3 days** |
| Size | 6 MB | 34 MB |
| Requires iOS | **17.0** | 17.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [SATO JIN](https://appshunter.io/developer/6777597123) | [Mobimint](https://appshunter.io/developer/6802713170) |

## What reviewers say

### J.Sugarの音感トレーニング

[App page](https://appshunter.io/ios/app/jsugar/id6777597121)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1000コイン | $0.99 | one-time |
| 2000コイン | $1.99 | one-time |
| 5000コイン | $2.99 | one-time |
| Review Premium | $5.99 | one-time |
| 12000コイン | $5.99 | one-time |


### Quizzy Kids

[App page](https://appshunter.io/ios/app/quizzy-kids-learn-and-play/id6802713168)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Quizzy Kids Weekly | $2.99 | per 7 days |
| Quizzy Kids Monthly | $4.99 | per month |
| Quizzy Kids Yearly | $29.99 | per year |


## Frequently asked questions

### Is J.Sugarの音感トレーニング free?

J.Sugarの音感トレーニング is free to download, with in-app purchases available.

### Is Quizzy Kids free?

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

### Do J.Sugarの音感トレーニング or Quizzy Kids have ads?

Quizzy Kids shows ads; J.Sugarの音感トレーニング does not.

### Which is updated more often, J.Sugarの音感トレーニング or Quizzy Kids?

J.Sugarの音感トレーニング ships an update every 9 days, and Quizzy Kids every 3 days. Most recently, J.Sugarの音感トレーニング was updated on October 25, 2026 and Quizzy Kids 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.*