KookVPN vs ExpressVPN

ExpressVPN's Lightway

Lightway is ExpressVPN's proprietary protocol, built on wolfSSL rather than OpenSSL. It is genuinely fast: connections establish in under 2 seconds, reconnection after sleep is nearly instant, and speed loss is typically 14-25% -- among the best for commercial VPNs. The protocol uses UDP by default with a TCP fallback, and the codebase has been open-source audited.

The problem in China is not speed -- it is detectability. Lightway has its own unique TLS fingerprint and handshake pattern. The GFW's deep packet inspection systems have catalogued this fingerprint. During normal periods, ExpressVPN often works fine in China. During sensitive periods -- NPC, Golden Week, June 4th -- the GFW tightens its filters and Lightway connections start failing. Users report 2-3 day outages during these crackdowns.

ExpressVPN also uses shared servers. When a Lightway server IP is detected and blocked, every user on that server loses access simultaneously. The app will switch servers automatically, but this causes interruptions mid-stream, mid-call, or mid-API-request.

KookVPN's VLESS+Reality

VLESS+Reality does not try to create a better VPN protocol. It tries to not look like a VPN protocol at all. Your connection appears to be standard HTTPS traffic to microsoft.com -- with matching TLS certificates, Server Name Indication, and handshake timing. The GFW sees what it expects to see when someone visits a Microsoft website.

This fundamental difference means VLESS+Reality does not rely on the GFW failing to detect it. It relies on the GFW being unable to distinguish it from legitimate traffic it must allow through. China cannot block connections to microsoft.com without disrupting its own corporate infrastructure. This is why VLESS+Reality maintained 100% uptime even during the March 2026 NPC.

The trade-off is clear: Lightway is faster to connect and works on every platform. VLESS+Reality is more reliably undetectable in China. For someone living in China, reliability during crackdowns is the metric that matters.

On paper, ExpressVPN is cheaper: $6.67/month on the annual plan vs KookVPN's $12.50/month on the 2-year plan. Monthly, KookVPN is $30 vs ExpressVPN's $12.95. The price difference is significant.

But price should be measured against the cost of failure. If you are an AI developer and your VPN disconnects during a Claude Code session, your Anthropic account could be permanently banned. If you are a remote worker and Zoom drops mid-presentation, that has a professional cost. If you are a business owner and Google Workspace is inaccessible for 3 days during NPC, that has a revenue cost.

ExpressVPN is a good deal for someone who needs occasional VPN access in China and has other countries as their primary use case. KookVPN is the right investment for someone whose livelihood depends on reliable, undetectable China access every single day.

Both services offer refund policies: ExpressVPN gives 30 days, KookVPN gives 7 days. ExpressVPN's longer window is a genuine advantage if you need more time to evaluate.