# 作れる単語帳 Folio vs AI出題

The clearest difference is in-app purchases: AI出題 at none against 作れる単語帳 Folio's 1. AI出題 also leads on update cadence (every 6 weeks vs every 8 months). 作れる単語帳 Folio's advantage is iOS requirement (14.0 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. 作れる単語帳 Folio sells 1 in-app purchase, starting at $1.99 per month. AI出題 asks for nothing beyond the download.

作れる単語帳 Folio ships an update every 8 months, AI出題 every 6 weeks. The most recent releases landed on March 10, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | 作れる単語帳 Folio | AI出題 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 8 months | **Every 6 weeks** |
| Size | 55 MB | 28 MB |
| Requires iOS | **14.0** | 18.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [yasuhiro kojima](https://appshunter.io/developer/1244729145) | [KENICHI YAMAMOTO](https://appshunter.io/developer/1335325739) |

## What reviewers say

### 作れる単語帳 Folio

[App page](https://appshunter.io/ios/app/folio/id6504839553)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| プレミアムプラン | $1.99 | per month |


### AI出題

[App page](https://appshunter.io/ios/app/ai-4/id6741074123)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 作れる単語帳 Folio free?

作れる単語帳 Folio is free to download, with in-app purchases available.

### Is AI出題 free?

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

### Do 作れる単語帳 Folio or AI出題 have ads?

Both 作れる単語帳 Folio and AI出題 show ads.

### Which is updated more often, 作れる単語帳 Folio or AI出題?

作れる単語帳 Folio ships an update every 8 months, and AI出題 every 6 weeks. Most recently, 作れる単語帳 Folio was updated on March 10, 2026 and AI出題 on September 16, 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.*