# 世界を旅するAI英会話 vs CaptionTube

The clearest difference is in-app purchases: CaptionTube at none against 世界を旅するAI英会話's 2. CaptionTube also leads on ads (none vs shown) and update cadence (every 8 days vs monthly). On price, device support and iOS requirement there is nothing between them.

Both are free to download. 世界を旅するAI英会話 sells 2 in-app purchases, starting at $19.99 per month. CaptionTube asks for nothing beyond the download.

世界を旅するAI英会話 ships an update monthly, CaptionTube every 8 days. Both last shipped on October 24, 2026.

## The numbers

| Metric | 世界を旅するAI英会話 | CaptionTube |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ai/id6476081670/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Every 8 days** |
| Monetization | Free with in-app purchases | — |
| Size | 285 MB | 39 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [PlusOne, Inc. (U.S.)](https://appshunter.io/developer/1725760629) | [Hironobu Saito](https://appshunter.io/developer/1557456154) |

## What reviewers say

### 世界を旅するAI英会話

[App page](https://appshunter.io/ios/app/ai/id6476081670)

Practice English conversation anytime, anywhere with an AI tutor. Discuss global news, culture, and history with real-time feedback on grammar and weaknesses. Ideal for busy individuals seeking to improve fluency and vocabulary.

**Highlights:** AI-powered English conversation practice, Discuss global news and culture, Real-time grammar and weakness feedback, Customizable conversation levels, Dictionary and review features, Multiple AI tutor options

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $19.99 | per month |
| Annual Subscription | $199.99 | per year |


### CaptionTube

[App page](https://appshunter.io/ios/app/captiontube/id6754217528)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 世界を旅するAI英会話 free?

世界を旅するAI英会話 is free to download, with in-app purchases available.

### Is CaptionTube free?

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

### Do 世界を旅するAI英会話 or CaptionTube have ads?

世界を旅するAI英会話 shows ads; CaptionTube does not.

### Which is updated more often, 世界を旅するAI英会話 or CaptionTube?

世界を旅するAI英会話 ships an update monthly, and CaptionTube every 8 days. Most recently, 世界を旅するAI英会話 was updated on October 24, 2026 and CaptionTube 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.*