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XiVPN vs Happ: catalog facts
XiVPN	Happ
Free Free and open source under the GPL-3.0 licence.	Free Free to download, with optional donations to the developer.
Android	Windows, macOS, Linux, Android, iOS
Graphical setup for common Xray configurations Uses Android's built-in VPN feature, no root needed	Supports VLESS Reality, VMess, Trojan, Shadowsocks and SOCKS Rule-based routing between proxies
Requires your own Xray-compatible server Android only	A client only; you need proxy servers from elsewhere Source code not published
Downloadable app	Downloadable app
Open source	Closed source
License: GPL-3.0	License not stated
Not stated if an account is needed	Not stated if an account is needed
Needs internet	Not stated if it works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 1, 2026

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