Compare software

Happ vs SimpleXray: catalog facts
Happ	SimpleXray
Free Free to download, with optional donations to the developer.	Free Free and open source under the MPL-2.0 licence.
Windows, macOS, Linux, Android, iOS	Android
Supports VLESS Reality, VMess, Trojan, Shadowsocks and SOCKS Rule-based routing between proxies	Runs the unmodified official Xray-core binary Core logic is isolated from the app layer for stability
A client only; you need proxy servers from elsewhere Source code not published	Android only Requires your own Xray server or provider configuration
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: MPL-2.0
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked October 2, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.