# Curiosity Hub vs TOEIC AI Study

The clearest difference is in-app purchases: TOEIC AI Study at none against Curiosity Hub's 7. TOEIC AI Study also leads on update cadence (every 6 weeks vs every 64 months). Curiosity Hub's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Curiosity Hub sells 7 one-off in-app purchases. TOEIC AI Study asks for nothing beyond the download.

Curiosity Hub ships an update every 64 months, TOEIC AI Study every 6 weeks. The most recent releases landed on March 26, 2026 and August 22, 2026 respectively.

## The numbers

| Metric | Curiosity Hub | TOEIC AI Study |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 64 months | **Every 6 weeks** |
| Size | 47 MB | 43 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Beracah USA LLC](https://appshunter.io/developer/1023134470) | [PT APPKEY](https://appshunter.io/developer/1691980738) |

## What reviewers say

### Curiosity Hub

[App page](https://appshunter.io/ios/app/curiosity-hub/id1460997984)

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ads | $2.99 | one-time |
| Remove Ads - Why Question | $2.99 | one-time |
| Remove Ads - What Question | $2.99 | one-time |
| Remove Ads - Sci Tech | $2.99 | one-time |
| Remove Ads - How Question | $2.99 | one-time |
| Remove Ads - History Today | $2.99 | one-time |
| Remove Ads - Complete App | $9.99 | one-time |


### TOEIC AI Study

[App page](https://appshunter.io/ios/app/toeic-ai-study-smart-prep-app/id6744311278)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Curiosity Hub free?

Curiosity Hub is free to download, with in-app purchases available.

### Is TOEIC AI Study free?

TOEIC AI Study is free to download, with no in-app purchases.

### Do Curiosity Hub or TOEIC AI Study have ads?

TOEIC AI Study shows ads; Curiosity Hub does not.

### Which is updated more often, Curiosity Hub or TOEIC AI Study?

Curiosity Hub ships an update every 64 months, and TOEIC AI Study every 6 weeks. Most recently, Curiosity Hub was updated on March 26, 2026 and TOEIC AI Study on August 22, 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.*