# Challenge with Erin vs Wise Learn

The clearest difference is update cadence: Wise Learn at every 2 months against Challenge with Erin's every 5 months. Wise Learn also leads on review sentiment (80% vs 63%). Challenge with Erin's advantage is iOS requirement (12.0 vs 15.1). On price, rating, ratings volume and ads there is nothing between them.

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

On the App Store both sit at effectively the same score — 4.7 for Challenge with Erin against 4.6 for Wise Learn. Both are backed by a comparable volume of ratings — 16 and 9 respectively. Written reviews are what separate them: 63% of Challenge with Erin's written reviews are positive against 80% of Wise Learn's.

Challenge with Erin ships an update every 5 months, Wise Learn every 2 months. The most recent releases landed on October 15, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Challenge with Erin | Wise Learn |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (16 ratings)](https://appshunter.io/ios/app/challenge-with-erin/id1290748939/reviews)** | [4.6 (9 ratings)](https://appshunter.io/ios/app/wise-learn-math-and-physics/id1476697580/reviews) |
| Number of ratings | **16** | 9 |
| Positive reviews | 62.5% of reviews | **80.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 290 MB | 39 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [The Japan Foundation Japanese-Language Institute, Kansai](https://appshunter.io/developer/1023654861) | [Saeid Talaei](https://appshunter.io/developer/1476697579) |

## 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


### Wise Learn

[App page](https://appshunter.io/ios/app/wise-learn-math-and-physics/id1476697580)

This free educational app connects students with physics teachers for interactive learning. It offers video and text tutorials, exercises with hints and answers, and allows teachers to create quizzes. Users can compete with others and access a variety of learning materials to master physics concepts.

**Highlights:** Connect with physics teachers, Video and text tutorials, Physics exercises with hints and answers, Create quizzes for students, Compete with other users, Micro-learning strategies

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

**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 Wise Learn free?

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

### Which has better reviews, Challenge with Erin or Wise Learn?

Challenge with Erin is rated higher. Challenge with Erin averages 4.7 out of 5 from 16 ratings, while Wise Learn averages 4.6 from 9 ratings.

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

Neither Challenge with Erin nor Wise Learn shows ads.

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

Challenge with Erin ships an update every 5 months, and Wise Learn every 2 months. Most recently, Challenge with Erin was updated on October 15, 2026 and Wise Learn on September 23, 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.*