# Challenge with Erin vs Meraky Learn

The clearest difference is update cadence: Meraky Learn at every 5 weeks against Challenge with Erin's every 5 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Challenge with Erin ships an update every 5 months, Meraky Learn every 5 weeks. The most recent releases landed on October 20, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Challenge with Erin | Meraky Learn |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (16 ratings)](https://appshunter.io/ios/app/challenge-with-erin/id1290748939/reviews)** | — |
| Number of ratings | **16** | — |
| Positive reviews | 62.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 5 weeks** |
| Monetization | Free | — |
| Size | 290 MB | 17 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) | [Meraky Tech, Inc](https://appshunter.io/developer/1746296154) |

## 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


### Meraky Learn

[App page](https://appshunter.io/ios/app/meraky-learn/id6737919805)

**In-app purchases:** none


## Frequently asked questions

### Is Challenge with Erin free?

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

### Is Meraky Learn free?

Meraky Learn is free to download, with no in-app purchases.

### Do Challenge with Erin or Meraky Learn have ads?

Neither Challenge with Erin nor Meraky Learn shows ads.

### Which is updated more often, Challenge with Erin or Meraky Learn?

Challenge with Erin ships an update every 5 months, and Meraky Learn every 5 weeks. Most recently, Challenge with Erin was updated on October 20, 2026 and Meraky Learn on October 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.*