# IISM World vs Captivate

The clearest difference is in-app purchases: IISM World at none against Captivate's 3. IISM World also leads on ads (none vs shown) and iOS requirement (13.4 vs 15.1). Captivate's advantage is update cadence (every 4 days vs every 3 months). On price and device support there is nothing between them.

Both are free to download. Captivate sells 3 in-app purchases, starting at $7.99 per 7 days. IISM World asks for nothing beyond the download.

IISM World ships an update every 3 months, Captivate every 4 days. The most recent releases landed on October 27, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | IISM World | Captivate |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Every 4 days** |
| Size | 55 MB | 67 MB |
| Requires iOS | **13.4** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Eduhub Education Private Limited](https://appshunter.io/developer/1723042565) | [Nanbis Inc.](https://appshunter.io/developer/1742439266) |

## What reviewers say

### IISM World

[App page](https://appshunter.io/ios/app/iism-world/id6475007498)

**Features:** macOS Compatibility

**In-app purchases:** none


### Captivate

[App page](https://appshunter.io/ios/app/captivate-run-claim-conquer/id6749895563)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Pro Subscription | $7.99 | per 7 days |
| Monthly Pro Subscription | $14.99 | per month |
| Yearly Pro Subscription | $49.99 | per year |


## Frequently asked questions

### Is IISM World free?

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

### Is Captivate free?

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

### Do IISM World or Captivate have ads?

Captivate shows ads; IISM World does not.

### Which is updated more often, IISM World or Captivate?

IISM World ships an update every 3 months, and Captivate every 4 days. Most recently, IISM World was updated on October 27, 2026 and Captivate on October 16, 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.*