# Mental Math vs Обеси се

The clearest difference is update cadence: Обеси се at every 4 days against Mental Math's every 6 weeks. Обеси се also leads on iOS requirement (12.0 vs 15.0). On price, ads, 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.

Mental Math ships an update every 6 weeks, Обеси се every 4 days. The most recent releases landed on November 4, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Mental Math | Обеси се |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 6 weeks | **Every 4 days** |
| Size | 132 MB | 34 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [JEU TECHNOLOGY (PRIVATE) LIMITED](https://appshunter.io/developer/1546624577) | [Dimitar Najdenov](https://appshunter.io/developer/1758107293) |

## What reviewers say

### Mental Math

[App page](https://appshunter.io/ios/app/mental-math-brain-puzzle/id6480279455)

**Features:** macOS Compatibility

**In-app purchases:** none


### Обеси се

[App page](https://appshunter.io/ios/app/id6554000103)

**In-app purchases:** none


## Frequently asked questions

### Is Mental Math free?

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

### Is Обеси се free?

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

### Do Mental Math or Обеси се have ads?

Both Mental Math and Обеси се show ads.

### Which is updated more often, Mental Math or Обеси се?

Mental Math ships an update every 6 weeks, and Обеси се every 4 days. Most recently, Mental Math was updated on November 4, 2026 and Обеси се on October 30, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*