# ゼロ歳からの絶対音感トレーニング vs 和暦checker

The clearest difference is in-app purchases: ゼロ歳からの絶対音感トレーニング at none against 和暦checker's 1. ゼロ歳からの絶対音感トレーニング also leads on iOS requirement (14.0 vs 17.0). 和暦checker's advantage is update cadence (every 4 days vs every 2 weeks). On price, ads and device support there is nothing between them.

Both are free to download. 和暦checker sells 1 one-off in-app purchase. ゼロ歳からの絶対音感トレーニング asks for nothing beyond the download.

ゼロ歳からの絶対音感トレーニング ships an update every 2 weeks, 和暦checker every 4 days. The most recent releases landed on October 26, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | ゼロ歳からの絶対音感トレーニング | 和暦checker |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 2 weeks | **Every 4 days** |
| Size | 31 MB | 5 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Yasuhiro Suzuki](https://appshunter.io/developer/1338210842) | [Kosuke Mawatari](https://appshunter.io/developer/1489564137) |

## What reviewers say

### ゼロ歳からの絶対音感トレーニング

[App page](https://appshunter.io/ios/app/id1448625623)

**In-app purchases:** none


### 和暦checker

[App page](https://appshunter.io/ios/app/checker/id6821827275)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 広告を消す | $2.99 | one-time |


## Frequently asked questions

### Is ゼロ歳からの絶対音感トレーニング free?

ゼロ歳からの絶対音感トレーニング is free to download, with no in-app purchases.

### Is 和暦checker free?

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

### Do ゼロ歳からの絶対音感トレーニング or 和暦checker have ads?

Both ゼロ歳からの絶対音感トレーニング and 和暦checker show ads.

### Which is updated more often, ゼロ歳からの絶対音感トレーニング or 和暦checker?

ゼロ歳からの絶対音感トレーニング ships an update every 2 weeks, and 和暦checker every 4 days. Most recently, ゼロ歳からの絶対音感トレーニング was updated on October 26, 2026 and 和暦checker on November 6, 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.*