# Challenge with Erin vs Speak Indo

The clearest difference is in-app purchases: Challenge with Erin at none against Speak Indo's 3. Challenge with Erin also leads on iOS requirement (12.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Speak Indo sells 3 in-app purchases, starting at $5.99 per month. Challenge with Erin asks for nothing beyond the download.

## The numbers

| Metric | Challenge with Erin | Speak Indo |
| --- | --- | --- |
| 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** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | — |
| Monetization | Free | — |
| Size | 290 MB | 21 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [The Japan Foundation Japanese-Language Institute, Kansai](https://appshunter.io/developer/1023654861) | [NICCOLO VALENTI](https://appshunter.io/developer/6792793900) |

## 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


### Speak Indo

[App page](https://appshunter.io/ios/app/speak-indo/id6797204573)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Speak Indo Pro Monthly | $5.99 | per month |
| Speak Indo Pro Yearly | $44.99 | per year |
| Speak Indo Lifetime | $89.00 | one-time |


## Frequently asked questions

### Is Challenge with Erin free?

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

### Is Speak Indo free?

Speak Indo is free to download, with in-app purchases available.

### Do Challenge with Erin or Speak Indo have ads?

Neither Challenge with Erin nor Speak Indo shows ads.

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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.*