# Mental Math vs BrainTrainingCalculator

The clearest difference is iOS requirement: Mental Math at 13.0 against BrainTrainingCalculator's 15.5. On price, update cadence, ads and in-app purchases 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 days, BrainTrainingCalculator weekly. The most recent releases landed on November 3, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | Mental Math | BrainTrainingCalculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (4 ratings)](https://appshunter.io/ios/app/mental-math-boost-cal-skills/id1572014520/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Every 6 days** | Weekly |
| Monetization | Ad-supported | — |
| Size | 67 MB | 4 MB |
| Requires iOS | **13.0** | 15.5 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Yudai Kitano](https://appshunter.io/developer/1529380991) | [ryo muranaka](https://appshunter.io/developer/1606480078) |

## What reviewers say

### Mental Math

[App page](https://appshunter.io/ios/app/mental-math-boost-cal-skills/id1572014520)

Train your calculation skills with this app by solving math problems against the clock. Customize the time limit and number of questions for a personalized challenge. Review your results to track progress and improve your math abilities.

**Highlights:** Solve math problems against a time limit, Customize time limit and number of problems, Review calculation results, Simple and comfortable user interface, Gaming experience for spare time

**In-app purchases:** none


### BrainTrainingCalculator

[App page](https://appshunter.io/ios/app/braintrainingcalculatorsimple/id1644516996)

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

**In-app purchases:** none


## Frequently asked questions

### Is Mental Math free?

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

### Is BrainTrainingCalculator free?

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

### Do Mental Math or BrainTrainingCalculator have ads?

Both Mental Math and BrainTrainingCalculator show ads.

### Which is updated more often, Mental Math or BrainTrainingCalculator?

Mental Math ships an update every 6 days, and BrainTrainingCalculator weekly. Most recently, Mental Math was updated on November 3, 2026 and BrainTrainingCalculator on November 8, 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.*