# AI Vocabulary Book (Multiling vs Flash!!：次世代の英単語帳アプリ

The clearest difference is in-app purchases: Flash!!：次世代の英単語帳アプリ at none against AI Vocabulary Book (Multiling's 1. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. AI Vocabulary Book (Multiling sells 1 in-app purchase, starting at $0.99 per month. Flash!!：次世代の英単語帳アプリ asks for nothing beyond the download.

AI Vocabulary Book (Multiling ships an update every 8 days, Flash!!：次世代の英単語帳アプリ weekly. The most recent releases landed on October 19, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | AI Vocabulary Book (Multiling | Flash!!：次世代の英単語帳アプリ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 8 days | **Weekly** |
| Size | 11 MB | 15 MB |
| Requires iOS | **16.0** | 17 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Kazuaki Takahashi](https://appshunter.io/developer/1691521543) | [itsuki hotta](https://appshunter.io/developer/1850269346) |

## What reviewers say

### AI Vocabulary Book (Multiling

[App page](https://appshunter.io/ios/app/ai-vocabulary-book-multiling/id6462388172)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AI Vocabulary Book PRO Edition | $0.99 | per month |


### Flash!!：次世代の英単語帳アプリ

[App page](https://appshunter.io/ios/app/flash/id6756925713)

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

**In-app purchases:** none


## Frequently asked questions

### Is AI Vocabulary Book (Multiling free?

AI Vocabulary Book (Multiling is free to download, with in-app purchases available.

### Is Flash!!：次世代の英単語帳アプリ free?

Flash!!：次世代の英単語帳アプリ is free to download, with no in-app purchases.

### Do AI Vocabulary Book (Multiling or Flash!!：次世代の英単語帳アプリ have ads?

Both AI Vocabulary Book (Multiling and Flash!!：次世代の英単語帳アプリ show ads.

### Which is updated more often, AI Vocabulary Book (Multiling or Flash!!：次世代の英単語帳アプリ?

AI Vocabulary Book (Multiling ships an update every 8 days, and Flash!!：次世代の英単語帳アプリ weekly. Most recently, AI Vocabulary Book (Multiling was updated on October 19, 2026 and Flash!!：次世代の英単語帳アプリ on October 5, 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.*