strongSwan VPN Client
strongSwan VPN Client is a free, open-source privacy app for Android. An easy to use IKEv2/IPsec-based VPN client. It has 3,013 GitHub stars and is released under the GPL-2.0-or-later license, and you can install it from F-Droid.
github.com/strongswan/strongswan (opens in a new tab)
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About strongSwan VPN Client
Official Android port of the popular strongSwan VPN solution. # FEATURES AND LIMITATIONS # Uses the VpnService API featured by Android 4+. Devices by some manufacturers seem to lack support for this - strongSwan VPN Client won't work on these devices! Uses the IKEv2 key exchange protocol Uses IPsec for data traffic Full support for changed connectivity and mobility through MOBIKE (or reauthentication) Supports username/password EAP authentication (namely EAP-MSCHAPv2, EAP-MD5 and EAP-GTC) as well as RSA/ECDSA private key/certificate authentication to authenticate users, EAP-TLS with client certificates is also supported Combined RSA/ECDSA and EAP authentication is supported by using two…
Privacy and F-Droid
F-Droid builds strongSwan VPN Client from its published source code and flags anti-features such as ads, tracking or reliance on non-free services.
No anti-features flagged on the latest F-Droid build.
Screenshots
Screenshots from the app's F-Droid listing.
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Is strongSwan VPN Client free and open source?
Yes. strongSwan VPN Client's source code is public on GitHub under the GPL-2.0-or-later license, which is OSI-approved or FSF-free. F-Droid, which builds it from source, flags no anti-features such as ads or tracking on its latest build.
How do I install strongSwan VPN Client?
You can install strongSwan VPN Client from F-Droid (package org.strongswan.android); the links are on this page. Its GitHub repository also publishes releases (latest: 6.1.0).
Is strongSwan VPN Client still maintained?
The repository's most recent commit was on Oct 27, 2026. Its F-Droid listing was last updated on Nov 3, 2025. appsgit only lists apps whose repository had a commit in the last six months.