# Arithmetic Train your Brain vs Zen Power Exam

The clearest difference is update cadence: Arithmetic Train your Brain at daily against Zen Power Exam's every 8 days. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Arithmetic Train your Brain ships an update daily, Zen Power Exam every 8 days. The most recent releases landed on October 10, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Arithmetic Train your Brain | Zen Power Exam |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/arithmetic-train-your-brain/id6451027097/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Daily** | Every 8 days |
| Monetization | Ad-supported | — |
| Size | 64 MB | 40 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [minoru yamazaki](https://appshunter.io/developer/1449437588) | [Katsuya Kawase](https://appshunter.io/developer/1749728640) |

## What reviewers say

### Arithmetic Train your Brain

[App page](https://appshunter.io/ios/app/arithmetic-train-your-brain/id6451027097)

Engage in daily brain training with arithmetic puzzles. Compete against your past performance to improve your calculation skills and stimulate your mind. Enjoy a progressive difficulty system and track your progress with a calendar feature.

**Highlights:** Daily brain training, Compete with past self, Progressive difficulty levels, Four arithmetic operations, Calendar progress tracking, Unlimited play

**Features:** macOS Compatibility

**In-app purchases:** none


### Zen Power Exam

[App page](https://appshunter.io/ios/app/zen-power-exam/id6504720230)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Arithmetic Train your Brain free?

Arithmetic Train your Brain is free to download, with no in-app purchases.

### Is Zen Power Exam free?

Zen Power Exam is free to download, with no in-app purchases.

### Do Arithmetic Train your Brain or Zen Power Exam have ads?

Both Arithmetic Train your Brain and Zen Power Exam show ads.

### Which is updated more often, Arithmetic Train your Brain or Zen Power Exam?

Arithmetic Train your Brain ships an update daily, and Zen Power Exam every 8 days. Most recently, Arithmetic Train your Brain was updated on October 10, 2026 and Zen Power Exam on October 4, 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.*