# Brain vs Sword Enhance

The clearest difference is in-app purchases: Sword Enhance at none against Brain's 8. Brain's advantage is update cadence (every 8 days vs every 3 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Brain sells 8 one-off in-app purchases. Sword Enhance asks for nothing beyond the download.

Brain ships an update every 8 days, Sword Enhance every 3 weeks. The most recent releases landed on October 25, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Brain | Sword Enhance |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 8 days** | Every 3 weeks |
| Monetization | — | Free |
| Size | 163 MB | 38 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sungkyu Gil](https://appshunter.io/developer/1875909091) | [RandomGG, Inc.](https://appshunter.io/developer/1881931008) |

## What reviewers say

### 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 |


### Sword Enhance

[App page](https://appshunter.io/ios/app/sword-enhance-upgrade-sim/id6762808725)

Forge and upgrade swords to create the ultimate weapon. Experience the thrill of success and failure with each enhancement attempt. Discover various sword designs and stunning visual effects as you progress.

**Highlights:** Sword enhancement simulation, Success and failure mechanics, Various sword designs, Stunning visual effects, Addictive gameplay, Simple controls

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

**In-app purchases:** none


## Frequently asked questions

### Is Brain free?

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

### Is Sword Enhance free?

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

### Do Brain or Sword Enhance have ads?

Neither Brain nor Sword Enhance shows ads.

### Which is updated more often, Brain or Sword Enhance?

Brain ships an update every 8 days, and Sword Enhance every 3 weeks. Most recently, Brain was updated on October 25, 2026 and Sword Enhance on October 14, 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.*