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GoodbyeDPI vs Psiphon: catalog facts
GoodbyeDPI	Psiphon
Free Free and open source under the Apache 2.0 licence.	Freemium Free to connect, with an optional subscription or PsiCash for ad-free, faster connections.
Windows	Windows, Android, iOS
Works against both passive and active DPI Runs locally without a remote proxy or VPN server	Several blocking-resilient transports that keep working where standard VPNs fail Free to use with no payment needed
Windows only Requires administrator privileges	The free tier shows ads and runs at lower speeds Traffic passes through servers run by Psiphon
Downloadable app	Downloadable app
Open source	Open source
License: Apache-2.0	License not stated
No account needed	Not stated if an account is needed
Not stated if it works offline	Needs internet
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked September 23, 2026

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