# Cagedoku vs Mathopia

The clearest difference is in-app purchases: Cagedoku at none against Mathopia's 4. Mathopia's advantage is update cadence (weekly vs every 4 months) and iOS requirement (13.0 vs 15). On price, ads and device support there is nothing between them.

Both are free to download. Mathopia sells 4 one-off in-app purchases. Cagedoku asks for nothing beyond the download.

Cagedoku ships an update every 4 months, Mathopia weekly. The most recent releases landed on September 7, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Cagedoku | Mathopia |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Weekly** |
| Size | 67 MB | 51 MB |
| Requires iOS | 15 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Volkan TAY](https://appshunter.io/developer/1446787739) | [Huynh Nam](https://appshunter.io/developer/1841834677) |

## What reviewers say

### Cagedoku

[App page](https://appshunter.io/ios/app/cagedoku/id6752262792)

**Features:** macOS Compatibility

**In-app purchases:** none


### Mathopia

[App page](https://appshunter.io/ios/app/mathopia/id6752933659)

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 5k Gems | $2.99 | one-time |
| 15k Gems | $7.99 | one-time |
| 50k Gems | $23.99 | one-time |
| 100k Gems | $41.99 | one-time |


## Frequently asked questions

### Is Cagedoku free?

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

### Is Mathopia free?

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

### Do Cagedoku or Mathopia have ads?

Neither Cagedoku nor Mathopia shows ads.

### Which is updated more often, Cagedoku or Mathopia?

Cagedoku ships an update every 4 months, and Mathopia weekly. Most recently, Cagedoku was updated on September 7, 2026 and Mathopia on September 18, 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.*