# Mental Math vs MNI Immo

The clearest difference is in-app purchases: MNI Immo at none against Mental Math's 1. MNI Immo also leads on iOS requirement (12.0 vs 17.0). Mental Math's advantage is update cadence (every 10 days vs every 2 months). On price, ads and device support there is nothing between them.

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

Mental Math ships an update every 10 days, MNI Immo every 2 months. The most recent releases landed on September 24, 2026 and September 5, 2026 respectively.

## The numbers

| Metric | Mental Math | MNI Immo |
| --- | --- | --- |
| 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 10 days** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 59 MB | 36 MB |
| Requires iOS | 17.0 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 9+ | 17+ |
| Developer | [Oliver Glaettli](https://appshunter.io/developer/1515025314) | [Sebastien Tandou Pendaries](https://appshunter.io/developer/1844021706) |

## 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 | $5.99 | one-time |


### MNI Immo

[App page](https://appshunter.io/ios/app/mni-immo/id6753614621)

**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 MNI Immo free?

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

### Do Mental Math or MNI Immo have ads?

Neither Mental Math nor MNI Immo shows ads.

### Which is updated more often, Mental Math or MNI Immo?

Mental Math ships an update every 10 days, and MNI Immo every 2 months. Most recently, Mental Math was updated on September 24, 2026 and MNI Immo on September 5, 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.*