# Zrive vs Mental Math

The clearest difference is in-app purchases: Zrive at none against Mental Math's 3. Zrive also leads on iOS requirement (13.0 vs 18.0). Mental Math's advantage is update cadence (weekly vs every 2 months). On price, ads 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. Zrive asks for nothing beyond the download.

Zrive ships an update every 2 months, Mental Math weekly. The most recent releases landed on October 11, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Zrive | Mental Math |
| --- | --- | --- |
| 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 | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | — | Freemium |
| Size | 50 MB | 11 MB |
| Requires iOS | **13.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Zrive Education SL](https://appshunter.io/developer/1656580815) | [Denys Kotenko](https://appshunter.io/developer/1869320256) |

## What reviewers say

### Zrive

[App page](https://appshunter.io/ios/app/zrive/id6444744058)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Zrive free?

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

### Is Mental Math free?

Mental Math is free to download, with in-app purchases available.

### Do Zrive or Mental Math have ads?

Neither Zrive nor Mental Math shows ads.

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

Zrive ships an update every 2 months, and Mental Math weekly. Most recently, Zrive was updated on October 11, 2026 and Mental Math on October 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.*