# attentio Content Filter vs MathMaster

The clearest difference is in-app purchases: MathMaster at none against attentio Content Filter's 1. MathMaster also leads on iOS requirement (14.0 vs 16.0). attentio Content Filter's advantage is ads (none vs shown). On price, update cadence and device support there is nothing between them.

Both are free to download. attentio Content Filter sells 1 in-app purchase, starting at $6.99 per month. MathMaster asks for nothing beyond the download.

attentio Content Filter ships an update every 3 months, MathMaster every 6 weeks. The most recent releases landed on September 30, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | attentio Content Filter | MathMaster |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Every 6 weeks** |
| Size | 23 MB | 40 MB |
| Requires iOS | 16.0 | **14.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [EasyQuant UG (haftungsbeschrnkt)](https://appshunter.io/developer/1633277242) | [mucahit tekbas](https://appshunter.io/developer/1896075975) |

## What reviewers say

### attentio Content Filter

[App page](https://appshunter.io/ios/app/attentio-content-filter/id6673885163)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monk Mode Monthly Subscription | $6.99 | per month |


### MathMaster

[App page](https://appshunter.io/ios/app/mathmaster-mental-math/id6765790723)

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

**In-app purchases:** none


## Frequently asked questions

### Is attentio Content Filter free?

attentio Content Filter is free to download, with in-app purchases available.

### Is MathMaster free?

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

### Do attentio Content Filter or MathMaster have ads?

MathMaster shows ads; attentio Content Filter does not.

### Which is updated more often, attentio Content Filter or MathMaster?

attentio Content Filter ships an update every 3 months, and MathMaster every 6 weeks. Most recently, attentio Content Filter was updated on September 30, 2026 and MathMaster on October 15, 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.*