# 日语语法酷 vs 一番辞书

The clearest difference is in-app purchases: 日语语法酷 at none against 一番辞书's 4. 日语语法酷 also leads on iOS requirement (12.0 vs 15.0). 一番辞书's advantage is update cadence (every 11 days vs every 5 months) and rating (4.3 vs 4.0). On price, review sentiment, ads and monetization model there is nothing between them.

Both are free to download. 一番辞书 sells 4 in-app purchases, starting at $0.99 per month. 日语语法酷 asks for nothing beyond the download.

一番辞书 holds the better App Store score, 4.3 against 4.0. Both are backed by a comparable volume of ratings — 8 and 28 respectively. Written reviews point the same way: 71% of 日语语法酷's written reviews are positive against 79% of 一番辞书's.

日语语法酷 ships an update every 5 months, 一番辞书 every 11 days. The most recent releases landed on November 6, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | 日语语法酷 | 一番辞书 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (8 ratings)](https://appshunter.io/ios/app/id923670325/reviews) | **[4.3 (28 ratings)](https://appshunter.io/ios/app/ain2/id6444074722/reviews)** |
| Number of ratings | 8 | **28** |
| Positive reviews | 70.6% of reviews | **78.6% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 11 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 38 MB | 128 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [早道(大连)教育科技有限公司](https://appshunter.io/developer/883065289) | [汉军 赵](https://appshunter.io/developer/1613547562) |

## What reviewers say

### 日语语法酷

[App page](https://appshunter.io/ios/app/id923670325)

This app is a comprehensive Japanese grammar learning assistant. It provides detailed explanations, example sentences, and comparisons of similar grammar points to help learners overcome difficulties. Features include daily grammar cards, categorized lessons, quick search, and a practice test bank.

**Highlights:** Detailed grammar explanations, Example sentences and translations, Comparison of similar grammar, Daily grammar cards, Categorized grammar by level (N1-N5), Grammar search function, Grammar collection and review, Exam practice questions

**Features:** Vision Pro support

**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 (4)**

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


## Frequently asked questions

### Is 日语语法酷 free?

日语语法酷 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.

### Which has better reviews, 日语语法酷 or 一番辞书?

一番辞书 is rated higher. 日语语法酷 averages 4.0 out of 5 from 8 ratings, while 一番辞书 averages 4.3 from 28 ratings.

### Do 日语语法酷 or 一番辞书 have ads?

Neither 日语语法酷 nor 一番辞书 shows ads.

### Which is updated more often, 日语语法酷 or 一番辞书?

日语语法酷 ships an update every 5 months, and 一番辞书 every 11 days. Most recently, 日语语法酷 was updated on November 6, 2026 and 一番辞书 on November 7, 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.*