# Mental Dice vs FORCE CALCULATOR

The clearest difference is price: FORCE CALCULATOR at Free against Mental Dice's $3.99. FORCE CALCULATOR also leads on update cadence (every 2 weeks vs every 26 months). Mental Dice's advantage is in-app purchases (none vs 1) and iOS requirement (16.0 vs 18.0). On ads and device support there is nothing between them.

FORCE CALCULATOR is free to download; Mental Dice costs $3.99 up front. FORCE CALCULATOR sells 1 one-off in-app purchase. Mental Dice asks for nothing beyond the download.

Mental Dice ships an update every 26 months, FORCE CALCULATOR every 2 weeks. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Mental Dice | FORCE CALCULATOR |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/force-calculator-magic/id6806258142/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 26 months | **Every 2 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 1 MB | 2 MB |
| Requires iOS | **16.0** | 18.0 |
| Devices | iPhone | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [matsumoto yuuki](https://appshunter.io/developer/984437953) | [Akinori Kobayashi](https://appshunter.io/developer/6806258144) |

## What reviewers say

### Mental Dice

[App page](https://appshunter.io/ios/app/mental-dice/id1580340447)

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

**In-app purchases:** none


### FORCE CALCULATOR

[App page](https://appshunter.io/ios/app/force-calculator-magic/id6806258142)

This app functions as a standard calculator but includes secret tools for magicians to perform tricks. It offers a free version with basic calculator functions and a one-time purchase for advanced performance features, all while appearing as an ordinary calculator to an audience.

**Highlights:** Secret performance tools for magicians, Prediction and coincidence modes, Audience-participation features, Interactive tutorials, Multiple calculator styles, Calculation history

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro | $59.99 | one-time |


## Frequently asked questions

### Is Mental Dice free?

Mental Dice costs $3.99, with no in-app purchases.

### Is FORCE CALCULATOR free?

FORCE CALCULATOR is free to download, with in-app purchases available.

### Do Mental Dice or FORCE CALCULATOR have ads?

Neither Mental Dice nor FORCE CALCULATOR shows ads.

### Which is updated more often, Mental Dice or FORCE CALCULATOR?

Mental Dice ships an update every 26 months, and FORCE CALCULATOR every 2 weeks. Most recently, Mental Dice was updated on November 3, 2026 and FORCE CALCULATOR on October 31, 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.*