# Mental Math vs BrainTrainingCalculator

The clearest difference is in-app purchases: BrainTrainingCalculator at none against Mental Math's 1. BrainTrainingCalculator also leads on iOS requirement (15.5 vs 17.0). Mental Math's advantage is ads (none vs shown). On price, update cadence and device support there is nothing between them.

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

Mental Math ships an update every 2 weeks, BrainTrainingCalculator weekly. The most recent releases landed on October 16, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Mental Math | BrainTrainingCalculator |
| --- | --- | --- |
| 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** | Yes |
| Update frequency | Every 2 weeks | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 59 MB | 5 MB |
| Requires iOS | 17.0 | **15.5** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 9+ | 4+ |
| Developer | [Oliver Glaettli](https://appshunter.io/developer/1515025314) | [ryo muranaka](https://appshunter.io/developer/1606480078) |

## 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 |


### BrainTrainingCalculator

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

**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 BrainTrainingCalculator free?

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

### Do Mental Math or BrainTrainingCalculator have ads?

BrainTrainingCalculator shows ads; Mental Math does not.

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

Mental Math ships an update every 2 weeks, and BrainTrainingCalculator weekly. Most recently, Mental Math was updated on October 16, 2026 and BrainTrainingCalculator on October 10, 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.*