Calyx VPN
Calyx VPN is a privacy-first service from the Calyx Institute that does not ask you to create an account. It is often used when you want a quick OpenVPN connection with a strong focus on not keeping logs or adding tracking.
Service Country:United States
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Updated:December 22, 2025
Overview
Calyx VPN is built for people who want a simple setup and as little personal data shared as possible. You can connect without registration, which fits users who avoid sign-ups.
In day-to-day use, it is commonly left on for public Wi‑Fi, travel, and other untrusted networks. It is also used to get around blocks where VPN traffic is filtered.
The app focuses on OpenVPN and includes a kill switch, so traffic is less likely to slip out if the tunnel drops. Split tunneling is there for cases where you want some apps to use the VPN and others to stay direct.
Privacy is framed around no logs, no ads, and no tracking by the service itself. It also puts attention on DNS handling and leak protection, so name lookups stay inside the VPN connection.
Features
Network & Advanced Features
- Split TunnelingA versatile networking feature that lets you choose which specific apps use the VPN and which stay on your local internet connection. This allows you to secure your sensitive banking data while simultaneously streaming local content or gaming at maximum speeds.
- Obfuscation / Stealth ModeAdvanced technology that disguises VPN traffic as regular HTTPS web browsing to bypass deep packet inspection. This is the best way to use a VPN in highly censored countries like China or on restrictive networks like schools and workplaces.
Pricing & Payments
- Free
Privacy & Security
- Kill SwitchAn essential fail-safe that automatically disconnects your device from the internet if the VPN connection drops. This prevents your unencrypted data and real IP address from being exposed to the public web for even a single second.
- Open SourceThe software’s code is public and can be inspected by anyone for security flaws. This transparency ensures there are no hidden "backdoors" or malicious features.
- No registration requiredAllows you to use the service without providing an email address or personal details. It is the highest level of anonymity for a VPN user.
- No-Logs PolicyA strict privacy guarantee that the VPN provider does not track, record, or store any information about your online activities. This ensures that even if authorities request data, there is absolutely no browsing history or connection timestamps to provide. This is often mentioned in VPN provider's Term of Service.
- DNS Leak ProtectionThis security feature ensures all your website requests are routed through the VPN's private DNS servers rather than your ISP's. It prevents your browsing habits from being exposed, maintaining total online anonymity even if a connection error occurs.
VPN Protocols
- OpenVPNThe industry’s most trusted and versatile protocol, known for its incredible security and ability to bypass even the toughest firewalls. Because it is open-source, it is constantly being audited and improved by security experts worldwide.
Device & Platform Support
- Android
Calyx VPN Alternatives
Hide.me
Hide.me is built for people who want strong privacy controls without a noisy app experience. It keeps the focus on no-logs use, modern VPN protocols, and tools that help prevent leaks during everyday browsing.
Windscribe
Windscribe is used a lot as a mix of VPN app and browser extension, with a strong focus on blocking ads and trackers. It suits people who want privacy tools that work during normal browsing, not just when they remember to connect.
Unblock Websites
Unblock Websites is an Android app that mixes a lightweight browser with a built-in VPN-style proxy. People mainly use it to open blocked pages quickly without setting up a separate VPN app.
SaferVPN
SaferVPN is a simple VPN app built around quick connections and minimal setup. It suits people who want a straightforward way to use public Wi‑Fi and reach sites that may be blocked on a network.
Calyx VPN Reviews
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