# Cases vs Mental Calculation

The clearest difference is price: Mental Calculation at Free against Cases's $2.99. Mental Calculation also leads on iOS requirement (11.4 vs 13.0). Cases's advantage is update cadence (every 7 months vs every 25 months). On ads, in-app purchases and device support there is nothing between them.

Mental Calculation is free to download; Cases costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Cases ships an update every 7 months, Mental Calculation every 25 months. The most recent releases landed on September 16, 2026 and June 7, 2026 respectively.

## The numbers

| Metric | Cases | Mental Calculation |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 7 months** | Every 25 months |
| Monetization | — | Free |
| Size | 11 MB | 7 MB |
| Requires iOS | 13.0 | **11.4** |
| Devices | iPad, Mac | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [CROMBEZ Emmanuel](https://appshunter.io/developer/375656695) | [Frederic Bronner](https://appshunter.io/developer/291929818) |

## What reviewers say

### Cases

[App page](https://appshunter.io/ios/app/cases/id567889172)

**In-app purchases:** none


### Mental Calculation

[App page](https://appshunter.io/ios/app/mental-calculation/id765124023)

This game helps you practice mental arithmetic skills throughout the year. It offers a fun and engaging way to improve your math abilities.

**Highlights:** Mental arithmetic practice, Year-round learning, Engaging gameplay, Improves math skills

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Cases free?

Cases costs $2.99, with no in-app purchases.

### Is Mental Calculation free?

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

### Do Cases or Mental Calculation have ads?

Neither Cases nor Mental Calculation shows ads.

### Which is updated more often, Cases or Mental Calculation?

Cases ships an update every 7 months, and Mental Calculation every 25 months. Most recently, Cases was updated on September 16, 2026 and Mental Calculation on June 7, 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.*