# 全くダメな英語が1年で話せた! Kayoの『秘密のノート』 vs フラッシュ英文法

The clearest difference is update cadence: フラッシュ英文法 at every 2 days against 全くダメな英語が1年で話せた! Kayoの『秘密のノート』's every 10 months. 全くダメな英語が1年で話せた! Kayoの『秘密のノート』's advantage is device support (3 vs 1) and iOS requirement (12.0 vs 17.0). On price, ads and in-app purchases 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』 ships an update every 10 months, フラッシュ英文法 every 2 days. The most recent releases landed on October 4, 2026 and October 9, 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』 | フラッシュ英文法 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 40.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 2 days** |
| Monetization | Free | — |
| Size | 565 MB | 37 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [LNSOFT](https://appshunter.io/developer/1137904140) | [Nakakuki Masaya](https://appshunter.io/developer/1610313307) |

## 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』

[App page](https://appshunter.io/ios/app/1-kayo/id1055650409)

Learn everyday English conversation through a gamified experience. This app brings a best-selling book's unique learning methods to your mobile device, featuring listening exercises and practical phrases used in real-life situations.

**Highlights:** Gamified learning of everyday English, Includes 65 lessons from the original book, Three question formats: True/False, Fill-in-the-blank, Rearrangement, Native speaker audio for pronunciation and intonation, Kayo's hints and explanations for each question, Progress tracking with crown rewards for lesson completion, Augmented reality listening feature for book owners

**In-app purchases:** none


### フラッシュ英文法

[App page](https://appshunter.io/ios/app/id6475672834)

**Features:** macOS Compatibility, Vision Pro support

**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』 free?

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

### Is フラッシュ英文法 free?

フラッシュ英文法 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』 or フラッシュ英文法 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』 nor フラッシュ英文法 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』 or フラッシュ英文法?

全くダメな英語が1年で話せた! Kayoの『秘密のノート』 ships an update every 10 months, and フラッシュ英文法 every 2 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』 was updated on October 4, 2026 and フラッシュ英文法 on October 9, 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.*