Kuailian Accelerator — Smart acceleration engine that optimizes network paths in real-time, delivering faster, more stable, and more secure internet access. Covering 100+ countries and regions, trusted by hundreds of thousands of users worldwide.
Turning technical excellence into real value you need. Every connection is trustworthy.
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智能极速加速
Smart High-Speed Boost
智能加速引擎实时分析网络状态，自动优化数据传输路径，网页加载、视频缓冲速度大幅提升。
Smart acceleration engine analyzes network conditions in real-time, automatically optimizing data transmission paths for significantly faster web browsing and video streaming.
🔒
军事级隐私保护
Military-Grade Privacy
AES-256加密技术，无需注册即可使用，不收集任何个人信息，守护你的每一次连接。
AES-256 encryption technology. No registration required. We collect zero personal information — safeguarding every connection you make.
📶
超强稳定连接
Ultra-Stable Connection
深度优化网络协议，告别卡顿与掉线，在线会议、游戏对战全程稳定流畅。
Deeply optimized network protocols eliminate lag and disconnections, ensuring smooth online meetings and gaming sessions throughout.
🌍
全球海量节点
Global Server Network
遍布全球100+国家和地区的高速节点，智能匹配最优线路，随时随地畅连世界。
High-speed nodes across 100+ countries and regions, intelligently matching the optimal route so you can connect anywhere, anytime.
技术实力
Technology
自研内核，硬核技术背书
Proprietary Kernel, Hardcore Tech
从底层优化网络体验，每一项技术都为更好的连接而生。
Optimizing network experience from the ground up — every technology is built for better connections.
Powered by a self-developed high-performance kernel that optimizes network experience from the ground up, delivering faster connection speeds and more stable service. Say goodbye to bloated third-party kernels.
Intelligently analyzes network conditions, automatically matches the best node for each user, and adjusts optimization strategies in real-time — no manual operation needed. The AI engine learns continuously.
AES-256 military-grade encryption ensures all network operations are completed locally. Supports Windows, macOS, Android, iOS, Linux and more — one account for all your devices.
🛡️
下载安装
Download
随时随地，多端畅连
Connect Anywhere, On Any Device
选择你的设备平台，一键下载安装，即刻开启加速体验。
Select your device platform, download with one click, and start accelerating instantly.
"Super beginner-friendly, absolutely no buffering when watching videos. Switching regions is seamless. Already recommended to friends! Finally found a fast and reliable accelerator!"
—— App Store 用户
— App Store User
★★★★★
"这一个软件是我用过非常好的一个了，比以前用过的都要好，速度各方面也够快，以后只用这一个软件了。"
"This is one of the best apps I've ever used — better than any I've tried before. Speeds are excellent across the board. This will be my go-to from now on."
"Clean, tidy interface with zero annoying ads. Operation is incredibly simple — just tap the connect button and the system automatically selects the best node. Connected within 3 seconds."
—— Google Play 用户
— Google Play User
灵活套餐
Flexible Plans
选择最适合你的套餐
Choose Your Perfect Plan
新用户首次下载可获免费试用时长，先体验后付费。
New users get a free trial upon first download — experience before you pay.
Product Overview: Kuailian Accelerator is a professional-grade network optimization tool designed to enhance internet performance. Its smart acceleration engine optimizes network paths in real-time, delivering faster, more stable, and more secure connectivity — a comprehensive solution that goes far beyond simple proxying.
Smart Routing Activation: Upon tapping the connect button, Kuailian's AI engine analyzes the current network environment within milliseconds — assessing latency, bandwidth, jitter, and more — then selects the optimal route from a vast pool of nodes across 100+ countries.
Encrypted Data Transmission: Once the optimal path is chosen, AES-256 military-grade encryption encapsulates all data, ensuring no third party can intercept or tamper with your information. All encryption and decryption occurs locally on your device.
Continuous Dynamic Optimization: After the connection is established, the smart engine continuously monitors network conditions. If congestion or latency fluctuations are detected, the system seamlessly switches to a better route without any user-perceptible interruption.
Zero Registration: Kuailian is designed with a no-registration-required philosophy. You can access all features without providing a phone number, email, or any personally identifiable information — meaning there is simply no personal data to collect from the outset.
Local Encryption: All network optimization and encryption operations are performed locally on your device. Kuailian servers act solely as encrypted data relays and cannot decrypt or view your actual internet traffic, ensuring true end-to-end security.
AES-256 Standard: Kuailian employs the globally recognized AES-256 encryption algorithm — the same standard used by banks, governments, and military institutions. Brute-forcing this encryption would take billions of years, making your data virtually impenetrable.
No-Logs Policy: Kuailian strictly adheres to a no-logs policy. We do not record, store, or share your browsing history, connection timestamps, IP addresses, or any traceable personal information — a commitment enshrined in our Terms of Service.
Regular Security Audits: Kuailian periodically invites third-party security firms to conduct penetration tests and security audits, ensuring our privacy protection mechanisms remain industry-leading. Audit summaries are publicly accessible.
Windows: Supports Windows 10 and Windows 11. Visit the official download page, click "Download for Windows" to get the .exe installer, double-click and follow the installation wizard — the entire process takes about 1-2 minutes.
macOS: Supports macOS 12 and above. Download the .dmg package from the official website or go directly to the Mac App Store for a verified, secure installation.
Android: Supports Android 8.0 and above. Download the APK directly from the official website or search "Kuailian Accelerator" on Google Play Store. You may need to enable "Install from unknown sources."
iOS: Supports iOS 15 and above. Search "Kuailian Accelerator" on the Apple App Store — all listed versions have passed Apple's official security review.
Linux: Supports Ubuntu 20.04 and above, available in both .deb and .rpm formats. Install via your system package manager or command line. One account works seamlessly across all platforms.
Multi-Device Sync: One Kuailian account supports simultaneous use on multiple devices (the exact number depends on your plan), with a consistent, smooth experience across all platforms without the need for separate purchases.
Download & Install: First-time visitors to the Kuailian website or app store can download the version for their platform. Installation is quick and simple, requiring no personal information whatsoever.
Automatic Trial Activation: Upon first launch, the system automatically recognizes you as a new user and activates the free trial period — no manual claiming or redemption codes needed. The trial takes effect immediately.
One-Click Connection: Tap the central "Connect" button on the main interface. Kuailian's AI smart engine automatically analyzes network conditions and matches the best node, typically establishing a connection within 3 seconds so you can feel the acceleration instantly.
Choose a Plan After Trial: Once the free trial period ends, you can select the plan that best fits your needs based on your actual experience. Kuailian offers flexible weekly, monthly, quarterly, and annual plans — with the annual plan offering the lowest daily rate and best value.
Try Switching Nodes: Open the node list on the main interface and manually select a different region. Kuailian has a vast network of nodes across 100+ countries — different nodes have varying loads at different times, and switching often yields immediate speed improvements.
Check Local Network: Verify that your Wi-Fi or mobile data signal strength is normal. Try restarting your router or switching network environments (e.g., from Wi-Fi to mobile data) to rule out local network issues causing instability.
Update to the Latest Version: Check the official website or app store for updates. The Kuailian team continuously optimizes the engine algorithm and node allocation strategy — new versions typically include important performance enhancements and stability fixes.
Adjust Connection Protocol: In the app settings, try switching between different connection protocols (e.g., UDP/TCP). Different protocols perform differently under various network conditions — find the one best suited to your current environment.
Contact Online Support: If none of the above steps resolves the issue, reach out to Kuailian's technical support team via the in-app support portal or email. Describe your network environment, and a support specialist will provide personalized troubleshooting guidance.
In-App Live Chat: Open the Kuailian app, navigate to the "Settings" or "Help" page, and tap the "Online Support" button to start a real-time conversation with a support agent. This is the fastest support channel, with an average response time of under 3 minutes.
Email Support: Send an email to our official support mailbox (support@kuailian.com) with a detailed description of your issue, including your device model, OS version, and screenshots if applicable. Our support team will respond within 24 hours.
Help Center: Visit the Kuailian official website's Help Center to browse categorized usage guides, FAQs, and troubleshooting articles. Most common issues can be resolved through these self-service resources.
Social Media Channels: Follow Kuailian's official social media accounts for the latest product updates and promotional information. You can also reach out via direct message for support assistance.