# SlientWing vs Rook Brain

SlientWing and Rook Brain are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

SlientWing ships an update weekly, Rook Brain every 6 days. Both last shipped on October 12, 2026.

## The numbers

| Metric | SlientWing | Rook Brain |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Weekly | **Every 6 days** |
| Size | 49 MB | 44 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Rook Neuro Marketing Teknoloji Anonim Sirketi](https://appshunter.io/developer/1833815935) | [Ali Haydar Karakus](https://appshunter.io/developer/1818749536) |

## What reviewers say

### SlientWing

[App page](https://appshunter.io/ios/app/slientwing/id6747578980)

**In-app purchases:** none


### Rook Brain

[App page](https://appshunter.io/ios/app/rook-brain/id6747645861)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SlientWing free?

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

### Is Rook Brain free?

Rook Brain is free to download, with no in-app purchases.

### Do SlientWing or Rook Brain have ads?

Neither SlientWing nor Rook Brain shows ads.

### Which is updated more often, SlientWing or Rook Brain?

SlientWing ships an update weekly, and Rook Brain every 6 days. Most recently, SlientWing was updated on October 12, 2026 and Rook Brain on October 12, 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.*