# Mental Math vs Misión Código Rojo

The clearest difference is in-app purchases: Misión Código Rojo at none against Mental Math's 1. Misión Código Rojo also leads on iOS requirement (12.0 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Mental Math sells 1 one-off in-app purchase. Misión Código Rojo asks for nothing beyond the download.

Mental Math ships an update every 2 weeks, Misión Código Rojo weekly. The most recent releases landed on October 16, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Mental Math | Misión Código Rojo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/mental-math-fast-calculation/id1515025315/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 59 MB | 59 MB |
| Requires iOS | 17.0 | **12.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Oliver Glaettli](https://appshunter.io/developer/1515025314) | [TECHHEROX SLU](https://appshunter.io/developer/1445677004) |

## What reviewers say

### Mental Math

[App page](https://appshunter.io/ios/app/mental-math-fast-calculation/id1515025315)

Enhance your mental math abilities with this interactive app. It offers engaging gameplay and exercises, teaching calculation secrets and tricks to solve problems quickly. Track your progress and compete globally.

**Highlights:** Basic operations (+, -, x, /), Multiplication tables (1-20), Power calculation (1-100), Percentage challenges, Fast calculation tricks, Adjustable difficulty levels, Progress tracking

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Purchase Mental Calculation | $6.99 | one-time |


### Misión Código Rojo

[App page](https://appshunter.io/ios/app/mision-codigo-rojo/id1615807769)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Mental Math free?

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

### Is Misión Código Rojo free?

Misión Código Rojo is free to download, with no in-app purchases.

### Do Mental Math or Misión Código Rojo have ads?

Neither Mental Math nor Misión Código Rojo shows ads.

### Which is updated more often, Mental Math or Misión Código Rojo?

Mental Math ships an update every 2 weeks, and Misión Código Rojo weekly. Most recently, Mental Math was updated on October 16, 2026 and Misión Código Rojo on October 4, 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.*