Compare software

Happ vs XrayFA: catalog facts
Happ	XrayFA
Free Free to download, with optional donations to the developer.	Free Free and open source under the Apache-2.0 licence.
Windows, macOS, Linux, Android, iOS	Android
Supports VLESS Reality, VMess, Trojan, Shadowsocks and SOCKS Rule-based routing between proxies	Supports VLESS, VMESS, Shadowsocks, Trojan, Hysteria2 and Reality Built on Xray-core
A client only; you need proxy servers from elsewhere Source code not published	Needs a server you run or subscribe to separately Android only
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: Apache-2.0
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Needs internet
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.