# BRAVER'S Σ vs REXER：Diagonal Strategy

The clearest difference is in-app purchases: REXER：Diagonal Strategy at none against BRAVER'S Σ's 7. REXER：Diagonal Strategy also leads on update cadence (daily vs weekly). BRAVER'S Σ's advantage is ads (none vs shown) and iOS requirement (13.0 vs 15.0). On price and device support there is nothing between them.

Both are free to download. BRAVER'S Σ sells 7 one-off in-app purchases. REXER：Diagonal Strategy asks for nothing beyond the download.

BRAVER'S Σ ships an update weekly, REXER：Diagonal Strategy daily. The most recent releases landed on October 11, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | BRAVER'S Σ | REXER：Diagonal Strategy |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Weekly | **Daily** |
| Size | 104 MB | 152 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Yuto Maeda](https://appshunter.io/developer/1684665160) | [Koji Murakami](https://appshunter.io/developer/962205061) |

## What reviewers say

### BRAVER'S Σ

[App page](https://appshunter.io/ios/app/bravers/id6759327617)

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 虹の石 10個 | $1.99 | one-time |
| 虹の石 50個 初回限定 | $2.99 | one-time |
| 虹の石 50個 | $5.99 | one-time |
| 虹の石 100個 | $9.99 | one-time |
| 虹の石 250個 | $19.99 | one-time |
| 虹の石 500個 | $29.99 | one-time |
| 虹の石 1200個 | $59.99 | one-time |


### REXER：Diagonal Strategy

[App page](https://appshunter.io/ios/app/rexerdiagonal-strategy/id6764506010)

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

**In-app purchases:** none


## Frequently asked questions

### Is BRAVER'S Σ free?

BRAVER'S Σ is free to download, with in-app purchases available.

### Is REXER：Diagonal Strategy free?

REXER：Diagonal Strategy is free to download, with no in-app purchases.

### Do BRAVER'S Σ or REXER：Diagonal Strategy have ads?

REXER：Diagonal Strategy shows ads; BRAVER'S Σ does not.

### Which is updated more often, BRAVER'S Σ or REXER：Diagonal Strategy?

BRAVER'S Σ ships an update weekly, and REXER：Diagonal Strategy daily. Most recently, BRAVER'S Σ was updated on October 11, 2026 and REXER：Diagonal Strategy on October 9, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*