# Arithmetic Train your Brain vs Fifty

The clearest difference is in-app purchases: Arithmetic Train your Brain at none against Fifty's 1. Arithmetic Train your Brain also leads on update cadence (daily vs every 5 weeks) and iOS requirement (11.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. Fifty sells 1 one-off in-app purchase. Arithmetic Train your Brain asks for nothing beyond the download.

Arithmetic Train your Brain ships an update daily, Fifty every 5 weeks. The most recent releases landed on October 24, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Arithmetic Train your Brain | Fifty |
| --- | --- | --- |
| 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** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Daily** | Every 5 weeks |
| Monetization | Ad-supported | — |
| Size | 64 MB | 67 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [minoru yamazaki](https://appshunter.io/developer/1449437588) | [Byung Hun Lee](https://appshunter.io/developer/1873891172) |

## 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


### Fifty

[App page](https://appshunter.io/ios/app/fifty-speed-tap/id6758932089)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $2.99 | one-time |


## Frequently asked questions

### Is Arithmetic Train your Brain free?

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

### Is Fifty free?

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

### Do Arithmetic Train your Brain or Fifty have ads?

Both Arithmetic Train your Brain and Fifty show ads.

### Which is updated more often, Arithmetic Train your Brain or Fifty?

Arithmetic Train your Brain ships an update daily, and Fifty every 5 weeks. Most recently, Arithmetic Train your Brain was updated on October 24, 2026 and Fifty on October 15, 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.*