# J.Sugarの音感トレーニング vs こえずかん

The clearest difference is in-app purchases: こえずかん at none against J.Sugarの音感トレーニング's 5. J.Sugarの音感トレーニング's advantage is update cadence (every 9 days vs every 6 weeks) and iOS requirement (17.0 vs 26.0). On price, ads and device support 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. こえずかん asks for nothing beyond the download.

J.Sugarの音感トレーニング ships an update every 9 days, こえずかん every 6 weeks. 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 | こえずかん |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 6 weeks |
| Size | 6 MB | 4 MB |
| Requires iOS | **17.0** | 26.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [SATO JIN](https://appshunter.io/developer/6777597123) | [Masanori Shibasaki](https://appshunter.io/developer/6789731671) |

## 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 |


### こえずかん

[App page](https://appshunter.io/ios/app/id6794607146)

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

**In-app purchases:** none


## 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 こえずかん free?

こえずかん is free to download, with no in-app purchases.

### Do J.Sugarの音感トレーニング or こえずかん have ads?

Neither J.Sugarの音感トレーニング nor こえずかん shows ads.

### Which is updated more often, J.Sugarの音感トレーニング or こえずかん?

J.Sugarの音感トレーニング ships an update every 9 days, and こえずかん every 6 weeks. Most recently, J.Sugarの音感トレーニング was updated on October 25, 2026 and こえずかん 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.*