# ty vs Brain

The clearest difference is ads: Brain at none against ty's shown. Brain also leads on device support (3 vs 1). On price, update cadence, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. ty sells 1 one-off in-app purchase and Brain sells 8 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ty ships an update weekly, Brain every 8 days. The most recent releases landed on September 30, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | ty | Brain |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/ty-pi/id6466940570/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Every 8 days |
| Monetization | Free with in-app purchases | — |
| Size | 49 MB | 163 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Perspective, Inc.](https://appshunter.io/developer/1319164296) | [Sungkyu Gil](https://appshunter.io/developer/1875909091) |

## What reviewers say

### ty

[App page](https://appshunter.io/ios/app/ty-pi/id6466940570)

Explore the fascinating world of pi through a unique typing game. Test your speed and accuracy as you journey with the app's character. Discover an unusual phenomenon related to the digits of pi.

**Highlights:** Typing game mechanics, Pi exploration, Speed and accuracy test, Unique character journey, Fascinating digit phenomenon

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |


### Brain

[App page](https://appshunter.io/ios/app/brain-rush/id6758946157)

**Features:** Vision Pro support

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 연필 5자루 | $0.49 | one-time |
| 연습노트 10개 | $0.49 | one-time |
| 연필 20개 | $0.99 | one-time |
| 연필 20자루 | $1.99 | one-time |
| 광고 제거 | $1.99 | one-time |
| 닉네임 변경권 | $2.99 | one-time |
| 연습노트 100개 | $5.99 | one-time |
| 연필 100자루 | $9.99 | one-time |


## Frequently asked questions

### Is ty free?

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

### Is Brain free?

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

### Do ty or Brain have ads?

ty shows ads; Brain does not.

### Which is updated more often, ty or Brain?

ty ships an update weekly, and Brain every 8 days. Most recently, ty was updated on September 30, 2026 and Brain on September 13, 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.*