# Challenge with Erin vs Suku Plus ひらがなとカタカナ 幼児知育 あいうえお

The clearest difference is in-app purchases: Challenge with Erin at none against Suku Plus ひらがなとカタカナ 幼児知育 あいうえお's 1. Challenge with Erin also leads on iOS requirement (12.0 vs 15.0). Suku Plus ひらがなとカタカナ 幼児知育 あいうえお's advantage is update cadence (every 3 weeks vs every 5 months) and ratings volume (156 vs 16). On price, rating, review sentiment and ads there is nothing between them.

Both are free to download. Suku Plus ひらがなとカタカナ 幼児知育 あいうえお sells 1 in-app purchase, starting at $2.99 per month. 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 4.6 for Suku Plus ひらがなとカタカナ 幼児知育 あいうえお. That said, the two scores are not equally well evidenced: Suku Plus ひらがなとカタカナ 幼児知育 あいうえお has 156 ratings behind it against 16, so its average is the more settled of the two. Written reviews split almost evenly too, at 63% and 62% positive.

Challenge with Erin ships an update every 5 months, Suku Plus ひらがなとカタカナ 幼児知育 あいうえお every 3 weeks. The most recent releases landed on October 20, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Challenge with Erin | Suku Plus ひらがなとカタカナ 幼児知育 あいうえお |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (16 ratings)](https://appshunter.io/ios/app/challenge-with-erin/id1290748939/reviews)** | [4.6 (156 ratings)](https://appshunter.io/ios/app/suku-plus/id6443872229/reviews) |
| Number of ratings | 16 | **156** |
| Positive reviews | **62.5% of reviews** | 61.9% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 290 MB | 354 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [The Japan Foundation Japanese-Language Institute, Kansai](https://appshunter.io/developer/1023654861) | [PiyoLog Inc.](https://appshunter.io/developer/440099912) |

## 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


### Suku Plus ひらがなとカタカナ 幼児知育 あいうえお

[App page](https://appshunter.io/ios/app/suku-plus/id6443872229)

This educational app helps children aged 2-6 learn Japanese characters, numbers, and words through engaging games and tracing activities. It offers detailed difficulty settings and progress tracking for parents, with multiple user accounts supported.

**Highlights:** Learn hiragana and katakana, Number recognition and counting, Word and sentence practice, Tracing activities, Progress tracking for parents, Multiple user accounts

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| すくすくプラン | $2.99 | per month |


## Frequently asked questions

### Is Challenge with Erin free?

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

### Is Suku Plus ひらがなとカタカナ 幼児知育 あいうえお free?

Suku Plus ひらがなとカタカナ 幼児知育 あいうえお is free to download, with in-app purchases available.

### Which has better reviews, Challenge with Erin or Suku Plus ひらがなとカタカナ 幼児知育 あいうえお?

Challenge with Erin is rated higher. Challenge with Erin averages 4.7 out of 5 from 16 ratings, while Suku Plus ひらがなとカタカナ 幼児知育 あいうえお averages 4.6 from 156 ratings.

### Do Challenge with Erin or Suku Plus ひらがなとカタカナ 幼児知育 あいうえお have ads?

Neither Challenge with Erin nor Suku Plus ひらがなとカタカナ 幼児知育 あいうえお shows ads.

### Which is updated more often, Challenge with Erin or Suku Plus ひらがなとカタカナ 幼児知育 あいうえお?

Challenge with Erin ships an update every 5 months, and Suku Plus ひらがなとカタカナ 幼児知育 あいうえお every 3 weeks. Most recently, Challenge with Erin was updated on October 20, 2026 and Suku Plus ひらがなとカタカナ 幼児知育 あいうえお on October 24, 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.*