# Brook.app — Cross-Platform Network Tool

> Cross-platform client-server network tool with optional paid features. (iPhone/iPad app by TxThinking, Inc..)

- Source: https://appshunter.io/ios/app/brookapp/id1216002642 (this page in markdown: same URL + `.md`)
- Developer: [TxThinking, Inc.](https://appshunter.io/developer/1634589596)
- Category: Developer Tools, Productivity
- Price: Free with in-app purchases
- Rating: 4.30/5 from 180 App Store ratings · 104 written reviews indexed
- Age rating: 17+
- Requires: iOS 15.0 · 176 MB
- Languages: American English, Chinese (Simplified, China)
- Released: 2017-03-20
- Data updated: 2026-08-29
- Monetization: freemium
- User reviews in markdown: https://appshunter.io/ios/app/brookapp/id1216002642/reviews.md

## What is Brook.app?

Brook

- Brook is a cross-platform network tool
- Brook is client-server software, you need to deploy the server: https://github.com/txthinking/brook

Brook Plus

- Brook Plus is a paid option that allows paying users access to more generous features, allowing us to continue to sustain the continuity of this project.
- The period of subscription is an about $29.99/year.
- Payment will be charged to iTunes Account at confirmation of purchase
- Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period
- Account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal
- You can manage subscription in App Store Setting.
- Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable

Standard Apple Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Terms of Service: https://www.txthinking.com/terms.html
Privacy Policy: https://www.txthinking.com/privacy.html

About Brook Plus

- Even with the free version of Brook, normal use is possible
- Brook Plus is a paid option that allows paying users access to more generous features, allowing us to continue to sustain the continuity of this project

## Key features

- Cross-platform network tool
- Client-server software
- Server deployment required
- Paid subscription for advanced features
- Supports project continuity

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Brook Plus | $39.99 | per year |
| Brook Plus | $1.99 | per month |


## Chart rankings

- #173 in Top Free · Developer Tools (US App Store)
- #35 in Top Grossing · Developer Tools (US App Store)

## What do users think of Brook.app?

Overall sentiment: positive

**Pros**

- 🚀 Perfect UDP support
- 🔒 Server information hiding capability
- 👍 Simple and intuitive interface
- 💪 Powerful network tool with extensive features
- 🌍 Cross-platform compatibility
- ⚡ Fast and efficient performance
- 🆓 Free and actively maintained
- 🔐 Stealth proxy capabilities
- 📱 Easy QR code scanning setup
- 🛡️ Better resistance to censorship than alternatives

**Cons**

- 🐛 Frequent disconnections and auto-disconnects
- ⏱️ App crashes and performance degradation
- 📵 iOS 12 compatibility issues
- 🔌 VPN background process termination
- ❌ Limited app support (Instagram, YouTube, WhatsApp, Telegram, Facebook)
- 💰 Subscription model for previously free features
- 🚫 Not a true global proxy
- ⚠️ Recent updates causing slowdowns
- 🔗 Difficulty maintaining stable connections
- 📲 Push notification blocking issues

**Commonly reported bugs**

- Frequent unexpected disconnections
- VPN process killed in background
- iOS 12.1 connection failures
- Connection button shows connected but not actually connected
- App crashes without warning
- Incompatibility with iOS versions below 10
- Whitelist mode auto-disconnect issues
- Push notifications not received while connected
- Safari works but Instagram/YouTube don't
- Slow performance after recent updates

**Most requested features**

- Server naming and alias functionality
- Auto-connect feature
- Global proxy toggle button
- Mac application version
- VPN support
- Background App Refresh support
- iOS 9 support
- Improved whitelist mode stability
- Better app-specific proxy support

## Recent user reviews (10 of 104)

All indexed reviews: https://appshunter.io/ios/app/brookapp/id1216002642/reviews.md

### 1/5 — ***attantion** hacking app

*2026-07-22, version 20260101*

Becareful

### 5/5 — 这么低调

*2026-02-26, version 20260101*

以前怎么没发现brook，服务端简单，客户端也简单，想强大可以直接用脚本，基本上啥都能干，界面又看起来很干净，咋这么低调呢

### 5/5 — 最好的代理

*2026-02-26, version 20260101*

刚安装后发现好像没什么、只是觉得使用很简单。没想到高级功能都在脚本里，几乎可以做到任何想做的，希望大神们能多分享点脚本。

### 5/5 — perfect udp support

*2025-12-11, version 20250808*

this is the only proxy perfect udp support.

### 5/5 — Nice network tool

*2025-09-14*

If you are a developer, you can do anything you want.

### 5/5 — Great update

*2025-08-20*

Nice, use brook link can hide server information.

### 5/5 — 最新版不错

*2025-08-11, version 20250808*

清爽了很多，看起来作者很喜欢黑白配，挺好，简洁又强大

### 5/5 — Extraordinary

*2025-06-14*

A extraordinary network app

### 5/5 — Better than Potasto

*2025-02-20*

The best

### 1/5 — Devs don't care

*2024-12-07*

It doesn't work on Mac anymore, but still the best application for IOS

## Frequently asked questions about Brook.app

### What is Brook.app?

Brook.app is a cross-platform network tool that operates on a client-server model. Users need to deploy the server component separately, which is available via a GitHub repository. The app allows for network connectivity and management across different platforms.

### What are the features of Brook Plus?

Brook Plus is a paid subscription that unlocks more generous features beyond the standard free version. These enhanced features help sustain the project's continuity. Specific details on these advanced features are not provided, but they are described as 'more generous'.

### How much does Brook Plus cost?

Brook Plus is available as a subscription for approximately $29.99 per year. Payment is charged to your iTunes Account upon purchase confirmation. The subscription automatically renews unless turned off at least 24 hours before the current period ends.

### Is Brook.app compatible with my device?

The application is described as 'cross-platform', indicating it is designed to work on multiple operating systems. However, specific compatibility details for different operating systems or device types are not detailed in the provided description. Server deployment is a requirement.

### Can I use Brook.app for free?

Yes, normal use of Brook is possible with the free version. Brook Plus is an optional paid upgrade that provides access to more features. The free version allows users to experience the core functionality of the network tool.

## Version history (last 5 releases)

### 20260101 — 2025-12-31

Optimized for iOS 26

### 20250808 — 2025-08-01

- Bug fixes and performance improvements

### 20250202 — 2025-01-23

- Optimized for iOS 18

### 20240606 — 2024-05-10

Toolbox:

- New: Test IPv4 UDP 
- New: Test IPv6 UDP

### 20240404 — 2024-03-06

Bug fixes and performance improvements.

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## More apps by TxThinking, Inc.

- [Shiliew](https://appshunter.io/ios/app/shiliew/id1217072703)
- [mitmproxy client by txthinking](https://appshunter.io/ios/app/mitmproxy-client-by-txthinking/id1528537342)
- [Nan - Packet Capture](https://appshunter.io/ios/app/nan-packet-capture/id1534485108)
- [菜根谭](https://appshunter.io/ios/app/id1565952174)
- [Server Dashboard](https://appshunter.io/ios/app/server-dashboard/id1571021877)

All apps by TxThinking, Inc.: https://appshunter.io/developer/1634589596

## Related topics

[brooks](https://appshunter.io/ios/topics/brooks) · [netextender](https://appshunter.io/ios/topics/netextender) · [sockswitch](https://appshunter.io/ios/topics/sockswitch) · [socks5 configurator](https://appshunter.io/ios/topics/socks5-configurator)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-29.*