# 纳豆题库 vs 一番辞书

The clearest difference is in-app purchases: 纳豆题库 at none against 一番辞书's 5. 纳豆题库 also leads on iOS requirement (9.0 vs 15.0). 一番辞书's advantage is update cadence (every 11 days vs every 25 months). On price, ads and device support there is nothing between them.

Both are free to download. 一番辞书 sells 5 in-app purchases, starting at $0.99 per month. 纳豆题库 asks for nothing beyond the download.

纳豆题库 ships an update every 25 months, 一番辞书 every 11 days. The most recent releases landed on September 15, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | 纳豆题库 | 一番辞书 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.3 (28 ratings)](https://appshunter.io/ios/app/ain2/id6444074722/reviews)** |
| Number of ratings | — | **28** |
| Positive reviews | — | 78.6% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 25 months | **Every 11 days** |
| Monetization | — | Free with in-app purchases |
| Size | 47 MB | 128 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Zhengzhou Qingkong Cultural Communication Co.Ltd.](https://appshunter.io/developer/1564704370) | [汉军 赵](https://appshunter.io/developer/1613547562) |

## What reviewers say

### 纳豆题库

[App page](https://appshunter.io/ios/app/jlpt/id1495302393)

**Features:** macOS Compatibility

**In-app purchases:** none


### 一番辞书

[App page](https://appshunter.io/ios/app/ain2/id6444074722)

This app offers a professional Japanese dictionary with advanced features like OCR, handwriting input, and verb conjugation. It provides extensive vocabulary, offline access, and cloud synchronization for your saved words and notes.

**Highlights:** Chinese to Japanese translation, OCR and handwriting input, Offline and online dictionary access, Vocabulary and phrase collection, Verb conjugation and romaji lookup, iCloud cloud synchronization

**Features:** Family Sharing, Vision Pro support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 包月會員 | $0.99 | per month |
| 月度基础会员 | $0.99 | per month |
| 6個月期會員 | $3.99 | per 6 months |
| 一番辞书年会员 | $3.99 | per year |
| 终身会员 | $6.99 | one-time |


## Frequently asked questions

### Is 纳豆题库 free?

纳豆题库 is free to download, with no in-app purchases.

### Is 一番辞书 free?

一番辞书 is free to download, with in-app purchases available.

### Do 纳豆题库 or 一番辞书 have ads?

Neither 纳豆题库 nor 一番辞书 shows ads.

### Which is updated more often, 纳豆题库 or 一番辞书?

纳豆题库 ships an update every 25 months, and 一番辞书 every 11 days. Most recently, 纳豆题库 was updated on September 15, 2026 and 一番辞书 on September 26, 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.*