# 全くダメな英語が1年で話せた! Kayoの秘密のノート動画編 vs CheckBoostAudio

The clearest difference is update cadence: CheckBoostAudio at every 3 days against 全くダメな英語が1年で話せた! Kayoの秘密のノート動画編's every 31 months. 全くダメな英語が1年で話せた! Kayoの秘密のノート動画編's advantage is iOS requirement (11.0 vs 13.0). 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.

全くダメな英語が1年で話せた! Kayoの秘密のノート動画編 ships an update every 31 months, CheckBoostAudio every 3 days. The most recent releases landed on October 20, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | 全くダメな英語が1年で話せた! Kayoの秘密のノート動画編 | CheckBoostAudio |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 31 months | **Every 3 days** |
| Size | 347 MB | 32 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [LNSOFT](https://appshunter.io/developer/1137904140) | [Masatomo Fukuda](https://appshunter.io/developer/1599921920) |

## What reviewers say

### 全くダメな英語が1年で話せた! Kayoの秘密のノート動画編

[App page](https://appshunter.io/ios/app/1-kayo/id1198007596)

**In-app purchases:** none


### CheckBoostAudio

[App page](https://appshunter.io/ios/app/checkboostaudio/id6740433605)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 全くダメな英語が1年で話せた! Kayoの秘密のノート動画編 free?

全くダメな英語が1年で話せた! Kayoの秘密のノート動画編 is free to download, with no in-app purchases.

### Is CheckBoostAudio free?

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

### Do 全くダメな英語が1年で話せた! Kayoの秘密のノート動画編 or CheckBoostAudio have ads?

Neither 全くダメな英語が1年で話せた! Kayoの秘密のノート動画編 nor CheckBoostAudio shows ads.

### Which is updated more often, 全くダメな英語が1年で話せた! Kayoの秘密のノート動画編 or CheckBoostAudio?

全くダメな英語が1年で話せた! Kayoの秘密のノート動画編 ships an update every 31 months, and CheckBoostAudio every 3 days. Most recently, 全くダメな英語が1年で話せた! Kayoの秘密のノート動画編 was updated on October 20, 2026 and CheckBoostAudio on October 17, 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.*