localtunnel is free and open source. SimpleTunnel builds on that foundation with TCP, UDP, multi-port, and reliable connections.
| Feature | SimpleTunnel | localtunnel |
|---|---|---|
| Price | Free / $10/mo Pro | Free |
| Multi-port Tunnels | Yes | No (one port per tunnel) |
| HTTP/HTTPS | Yes | Yes |
| TCP Tunnels | Yes | No |
| UDP Tunnels | Yes | No |
| WebSocket | Yes | Yes |
| Connection Reliability | High | Variable (shared infra) |
| Custom Subdomain | Yes (Pro) | Requested (not guaranteed) |
| Password Protection | Yes | No |
| Consent Page (Anti-phishing) | Anonymous only | Yes (all requests) |
localtunnel only supports HTTP/HTTPS. Need to expose a database, game server, or SSH? SimpleTunnel handles TCP and UDP natively.
simpletunnel --tcp --port 5432# PostgreSQL accessible remotely
With localtunnel, exposing frontend + API + database requires 3 separate tunnels and 3 URLs. SimpleTunnel does it in one.
simpletunnel --ports 3000,8080,5432
localtunnel's free infrastructure is shared and can be unstable under load. SimpleTunnel is designed for reliability with dedicated capacity.
localtunnel now requires users to click through a consent page on every visit (anti-phishing measure). SimpleTunnel only shows this for anonymous tunnels.
Get TCP, UDP, multi-port, and reliable connections. Try free first.