# Challenge with Erin vs 小学校の漢字 勉強

The clearest difference is in-app purchases: Challenge with Erin at none against 小学校の漢字 勉強's 8. Challenge with Erin also leads on ads (none vs shown). 小学校の漢字 勉強's advantage is review sentiment (91% vs 63%) and update cadence (monthly vs every 5 months). On price, rating, device support and iOS requirement there is nothing between them.

Both are free to download. 小学校の漢字 勉強 sells 8 one-off in-app purchases. Challenge with Erin asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.7 for Challenge with Erin against 4.8 for 小学校の漢字 勉強. That said, the two scores are not equally well evidenced: 小学校の漢字 勉強 has 154 ratings behind it against 16, so its average is the more settled of the two. Written reviews are what separate them: 63% of Challenge with Erin's written reviews are positive against 91% of 小学校の漢字 勉強's.

Challenge with Erin ships an update every 5 months, 小学校の漢字 勉強 monthly. The most recent releases landed on September 20, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | Challenge with Erin | 小学校の漢字 勉強 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (16 ratings)](https://appshunter.io/ios/app/challenge-with-erin/id1290748939/reviews) | **[4.8 (154 ratings)](https://appshunter.io/ios/app/id1519144792/reviews)** |
| Number of ratings | 16 | **154** |
| Positive reviews | 62.5% of reviews | **90.9% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 5 months | **Monthly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 290 MB | 230 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [The Japan Foundation Japanese-Language Institute, Kansai](https://appshunter.io/developer/1023654861) | [Kazue Kuga](https://appshunter.io/developer/1176540678) |

## What reviewers say

### Challenge with Erin

[App page](https://appshunter.io/ios/app/challenge-with-erin/id1290748939)

This app offers interactive lessons and quizzes to help users learn Japanese vocabulary, grammar, and culture. It features engaging games, manga-based dialogues, and cultural trivia to make studying enjoyable and effective. Track your progress, earn certificates, and compete with others on leaderboards.

**Highlights:** Interactive vocabulary games, Manga-based dialogue practice, Japanese culture quizzes, Progress tracking and points system, Weekly tests with certificates, Mini dictionary with Romanization

**Features:** Vision Pro support

**In-app purchases:** none


### 小学校の漢字 勉強

[App page](https://appshunter.io/ios/app/id1519144792)

This app helps elementary school students learn Kanji writing through interactive drills and fun quizzes. It focuses on stroke order and dynamic pen width for beautiful letter formation, aiding in reading comprehension and test preparation.

**Highlights:** Kanji writing practice, Stroke order guidance, Dynamic pen width, Interactive Kanji quizzes, Grade 1-6 Kanji coverage, Test preparation

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Additional Pack for 1st Grade | $2.99 | one-time |
| Additional Pack for 2nd Grade | $2.99 | one-time |
| Additional Pack for 3rd Grade | $2.99 | one-time |
| Additional Pack for 4th Grade | $2.99 | one-time |
| Additional Pack for 5th Grade | $2.99 | one-time |
| Additional Pack for 6th Grade | $2.99 | one-time |
| Additional Pack for All Grades | $11.99 | one-time |
| Additional Pack for All Grades | $17.99 | one-time |


## Frequently asked questions

### Is Challenge with Erin free?

Challenge with Erin is free to download, with no in-app purchases.

### Is 小学校の漢字 勉強 free?

小学校の漢字 勉強 is free to download, with in-app purchases available.

### Which has better reviews, Challenge with Erin or 小学校の漢字 勉強?

小学校の漢字 勉強 is rated higher. Challenge with Erin averages 4.7 out of 5 from 16 ratings, while 小学校の漢字 勉強 averages 4.8 from 154 ratings.

### Do Challenge with Erin or 小学校の漢字 勉強 have ads?

小学校の漢字 勉強 shows ads; Challenge with Erin does not.

### Which is updated more often, Challenge with Erin or 小学校の漢字 勉強?

Challenge with Erin ships an update every 5 months, and 小学校の漢字 勉強 monthly. Most recently, Challenge with Erin was updated on September 20, 2026 and 小学校の漢字 勉強 on September 27, 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.*