# InstaBiz Speaking Test vs 世界を旅するAI英会話

The clearest difference is in-app purchases: InstaBiz Speaking Test at none against 世界を旅するAI英会話's 2. InstaBiz Speaking Test also leads on ads (none vs shown). 世界を旅するAI英会話's advantage is iOS requirement (12.0 vs 16.0). On price, update cadence and device support 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. InstaBiz Speaking Test asks for nothing beyond the download.

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | InstaBiz Speaking Test | 世界を旅するAI英会話 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ai/id6476081670/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Monthly | Monthly |
| Monetization | — | Free with in-app purchases |
| Size | 60 MB | 285 MB |
| Requires iOS | 16.0 | **12.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [INTERLINE CORPORATION](https://appshunter.io/developer/1558633891) | [PlusOne, Inc. (U.S.)](https://appshunter.io/developer/1725760629) |

## What reviewers say

### InstaBiz Speaking Test

[App page](https://appshunter.io/ios/app/instabiz-speaking-test/id1513811084)

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

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is InstaBiz Speaking Test free?

InstaBiz Speaking Test is free to download, with no in-app purchases.

### 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.

### Do InstaBiz Speaking Test or 世界を旅するAI英会話 have ads?

世界を旅するAI英会話 shows ads; InstaBiz Speaking Test does not.

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

InstaBiz Speaking Test ships an update monthly, and 世界を旅するAI英会話 monthly. Most recently, InstaBiz Speaking Test was updated on October 29, 2026 and 世界を旅するAI英会話 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.*