# LearnSousyo2 byNSDev vs 三毛猫

The clearest difference is update cadence: LearnSousyo2 byNSDev at every 5 months against 三毛猫's every 40 months. On price, ads, 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.

LearnSousyo2 byNSDev ships an update every 5 months, 三毛猫 every 40 months. The most recent releases landed on September 29, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | LearnSousyo2 byNSDev | 三毛猫 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 months** | Every 40 months |
| Size | 42 MB | 127 MB |
| Requires iOS | **12.0** | 13.2 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [NIHON SYSTEM DEVELOPER CORPORATION](https://appshunter.io/developer/1198103734) | [Kumiko Hirobe](https://appshunter.io/developer/642098115) |

## What reviewers say

### LearnSousyo2 byNSDev

[App page](https://appshunter.io/ios/app/learnsousyo2-bynsdev/id1255125108)

**Features:** macOS Compatibility

**In-app purchases:** none


### 三毛猫

[App page](https://appshunter.io/ios/app/id1330160701)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is LearnSousyo2 byNSDev free?

LearnSousyo2 byNSDev is free to download, with no in-app purchases.

### Is 三毛猫 free?

三毛猫 is free to download, with no in-app purchases.

### Do LearnSousyo2 byNSDev or 三毛猫 have ads?

Neither LearnSousyo2 byNSDev nor 三毛猫 shows ads.

### Which is updated more often, LearnSousyo2 byNSDev or 三毛猫?

LearnSousyo2 byNSDev ships an update every 5 months, and 三毛猫 every 40 months. Most recently, LearnSousyo2 byNSDev was updated on September 29, 2026 and 三毛猫 on October 14, 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.*