# Mental Math vs Mental Math Interview Trainer

The clearest difference is in-app purchases: Mental Math Interview Trainer at none against Mental Math's 3. Mental Math Interview Trainer also leads on update cadence (every 2 days vs weekly). Mental Math's advantage is ads (none vs shown) and iOS requirement (18.0 vs 26.4). On price and device support there is nothing between them.

Both are free to download. Mental Math sells 3 in-app purchases, starting at $5.99 per month. Mental Math Interview Trainer asks for nothing beyond the download.

Mental Math ships an update weekly, Mental Math Interview Trainer every 2 days. The most recent releases landed on October 7, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Mental Math | Mental Math Interview Trainer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.5 (4 ratings)](https://appshunter.io/ios/app/mental-math-focus-trainer/id6757860865/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Weekly | **Every 2 days** |
| Monetization | Freemium | — |
| Size | 11 MB | 7 MB |
| Requires iOS | **18.0** | 26.4 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Denys Kotenko](https://appshunter.io/developer/1869320256) | [Ludovic Lepic](https://appshunter.io/developer/1892835258) |

## What reviewers say

### Mental Math

[App page](https://appshunter.io/ios/app/mental-math-focus-trainer/id6757860865)

Enhance concentration and mental speed with daily mental math exercises. This app offers a minimalist approach to brain training, helping you prepare for deep work, studying, or important meetings. Track your progress and customize sessions to improve focus and cognitive clarity.

**Highlights:** Performance testing, Mental math training (add, subtract, multiply, divide), Customizable exercises, Progress tracking, Minimalist design, Focus improvement

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly: Focus & Mental Math | $5.99 | per month |
| Pro Yearly: Focus & Mental Math | $24.99 | per year |
| Pro Lifetime: Focus & Mental Math | $49.99 | one-time |


### Mental Math Interview Trainer

[App page](https://appshunter.io/ios/app/mental-math-interview-trainer/id6762084410)

**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 Mental Math Interview Trainer free?

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

### Do Mental Math or Mental Math Interview Trainer have ads?

Mental Math Interview Trainer shows ads; Mental Math does not.

### Which is updated more often, Mental Math or Mental Math Interview Trainer?

Mental Math ships an update weekly, and Mental Math Interview Trainer every 2 days. Most recently, Mental Math was updated on October 7, 2026 and Mental Math Interview Trainer on October 2, 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.*