# Math Defender vs Orb Loop

The clearest difference is ads: Orb Loop at none against Math Defender's shown. Math Defender's advantage is update cadence (weekly vs every 6 months) and iOS requirement (13.0 vs 16). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Math Defender ships an update weekly, Orb Loop every 6 months. The most recent releases landed on October 13, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Math Defender | Orb Loop |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Every 6 months |
| Size | 143 MB | 8 MB |
| Requires iOS | **13.0** | 16 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [LUN SHIH WANG](https://appshunter.io/developer/1853564316) | [威 刘](https://appshunter.io/developer/1562990881) |

## What reviewers say

### Math Defender

[App page](https://appshunter.io/ios/app/math-defender-magic-defense/id6758081512)

**Features:** macOS Compatibility

**In-app purchases:** none


### Orb Loop

[App page](https://appshunter.io/ios/app/orb-loop-cosmic-puzzle/id6760474887)

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

**In-app purchases:** none


## Frequently asked questions

### Is Math Defender free?

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

### Is Orb Loop free?

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

### Do Math Defender or Orb Loop have ads?

Math Defender shows ads; Orb Loop does not.

### Which is updated more often, Math Defender or Orb Loop?

Math Defender ships an update weekly, and Orb Loop every 6 months. Most recently, Math Defender was updated on October 13, 2026 and Orb Loop on October 28, 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.*