# ゼロ歳からの絶対音感トレーニング vs Primo

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 Primo's 10. Primo's advantage is ads (none vs shown) and iOS requirement (12.0 vs 14.0). On price, update cadence and device support there is nothing between them.

Both are free to download. Primo sells 9 in-app purchases, starting at $3.49 per month. 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, Primo monthly. The most recent releases landed on September 6, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | ゼロ歳からの絶対音感トレーニング | Primo |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 2 weeks** | Monthly |
| Monetization | — | Free with in-app purchases |
| Size | 31 MB | 258 MB |
| Requires iOS | 14.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Yasuhiro Suzuki](https://appshunter.io/developer/1338210842) | [INTERNATIONAL LABORATORY OF MUSIC EDUCATION](https://appshunter.io/developer/1493879437) |

## 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


### Primo

[App page](https://appshunter.io/ios/app/primo/id1493879438)

This app offers dailyソルフェージュ exercises to build fundamental music skills like reading sheet music, identifying pitches by ear, and understanding rhythm. It aims to make music education accessible and affordable for everyone, regardless of location or prior experience.

**Highlights:** Sheet music reading practice, Ear training exercises, Rhythm and timing drills, Sight-reading simulations, Music history and appreciation content, Specialized theory problem collections

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 読譜（どくふ） | $3.49 | per month |
| 初見（しょけん） | $3.49 | per month |
| リズム | $3.49 | per month |
| 聴音（ちょうおん） | $3.49 | per month |
| まとめ買い | $13.99 | per month |
| シュトラウス | $0.99 | one-time |
| 山田耕筰 | $0.99 | one-time |
| ドビュッシー | $0.99 | one-time |
| シベリウス | $0.99 | 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 Primo free?

Primo 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 Primo have ads?

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

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

ゼロ歳からの絶対音感トレーニング ships an update every 2 weeks, and Primo monthly. 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 Primo on June 1, 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.*