# ゼロ歳からの絶対音感トレーニング vs A単

The clearest difference is ads: A単 at none against ゼロ歳からの絶対音感トレーニング's shown. A単 also leads on iOS requirement (11.0 vs 14.0). ゼロ歳からの絶対音感トレーニング's advantage is update cadence (every 2 weeks vs every 12 months). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ゼロ歳からの絶対音感トレーニング ships an update every 2 weeks, A単 every 12 months. The most recent releases landed on September 6, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | ゼロ歳からの絶対音感トレーニング | A単 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 2 weeks** | Every 12 months |
| Size | 31 MB | 18 MB |
| Requires iOS | 14.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Yasuhiro Suzuki](https://appshunter.io/developer/1338210842) | [Jazz Soft, Inc.](https://appshunter.io/developer/1439040352) |

## 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


### A単

[App page](https://appshunter.io/ios/app/a/id1493717408)

**Features:** macOS Compatibility

**In-app purchases:** none


## 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 A単 free?

A単 is free to download, with no in-app purchases.

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

ゼロ歳からの絶対音感トレーニング shows ads; A単 does not.

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

ゼロ歳からの絶対音感トレーニング ships an update every 2 weeks, and A単 every 12 months. Most recently, ゼロ歳からの絶対音感トレーニング was updated on September 6, 2026 and A単 on September 20, 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.*