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Outline Keeper vs Outline VPN: catalog facts
Outline Keeper	Outline VPN
Free Free and open source under the Apache 2.0 license.	Free The open-source software is free. Cloud hosting is paid separately.
Android	Windows, macOS, Linux, Android, iOS
Manages Outline servers from a phone Uses the official Outline Server Management API	Shadowsocks transport resists the blocking that stops ordinary VPNs Manager application makes server creation and key sharing simple
Only useful if you run Outline servers Not a VPN client itself	You pay for and run the server yourself Access keys are shared secrets; anyone with one has your server
Downloadable app	Downloadable app
Open source	Open source
License: Apache-2.0	License: Apache-2.0
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 September 22, 2026

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