# LearnSousyo2 byNSDev vs Yoki

The clearest difference is ads: LearnSousyo2 byNSDev at none against Yoki's shown. LearnSousyo2 byNSDev also leads on iOS requirement (12.0 vs 15.6). Yoki's advantage is update cadence (every 9 days vs every 5 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.

LearnSousyo2 byNSDev ships an update every 5 months, Yoki every 9 days. The most recent releases landed on October 14, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | LearnSousyo2 byNSDev | Yoki |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 5 months | **Every 9 days** |
| Size | 42 MB | 28 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [NIHON SYSTEM DEVELOPER CORPORATION](https://appshunter.io/developer/1198103734) | [Hidenori Ishiii](https://appshunter.io/developer/1440959870) |

## What reviewers say

### LearnSousyo2 byNSDev

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Yoki

[App page](https://appshunter.io/ios/app/yoki-kana/id6751323760)

**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 Yoki free?

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

### Do LearnSousyo2 byNSDev or Yoki have ads?

Yoki shows ads; LearnSousyo2 byNSDev does not.

### Which is updated more often, LearnSousyo2 byNSDev or Yoki?

LearnSousyo2 byNSDev ships an update every 5 months, and Yoki every 9 days. Most recently, LearnSousyo2 byNSDev was updated on October 14, 2026 and Yoki on October 3, 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.*