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ShizuWall vs Athena: catalog facts
ShizuWall	Athena
Free Free and open source under the GPL-3.0 licence.	Free Free and open source under the GPL-3.0 license.
Android	Android
Per-app network blocking without occupying the VPN slot Works through Shizuku, local ADB or root	Works with root, Shizuku or VPN mode Per-app firewall rules
Requires Android 11 or later Needs Shizuku, ADB setup or root access to work	VPN mode occupies the Android VPN slot Project homepage currently returns an error
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0-only	License: GPL-3.0
No account 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 2, 2026	Official website Full listing and sources Checked October 2, 2026

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