Proton VPN comes from the team behind Proton Mail, and it shares the same privacy-first philosophy. Based in Switzerland, with fully open-source apps and regular independent audits, it is one of the most transparent VPNs available. It also offers something rare: a genuinely usable free plan with no data cap. In this review we explain where Proton VPN shines and where paid competitors still have the edge.
Proton VPN Score Breakdown
Proton VPN at a Glance
Privacy and Security
Swiss privacy law is among the strictest in the world, and Switzerland is outside the EU and the Five/Fourteen Eyes alliances. On top of that legal protection, Proton VPN’s no-logs policy is audited regularly by independent security firms, and the results are published publicly.
All Proton VPN apps are open source, so anyone can review the code. This level of transparency is unusual and gives security researchers a way to verify that the apps behave as promised.
Notable security features include:
- Secure Core – routes traffic through hardened servers in privacy-friendly countries (Switzerland, Iceland, Sweden) before it exits, protecting you even if an exit server is compromised.
- Stealth protocol – disguises VPN traffic to bypass censorship and VPN blocks.
- NetShield – DNS-level blocking of ads, trackers, and malware.
- Tor over VPN servers for accessing .onion sites.
- Permanent kill switch and DNS leak protection.
- Full-disk encrypted servers in Proton’s own infrastructure.
Speed and Performance
With WireGuard and Proton’s VPN Accelerator technology, which improves throughput on long-distance connections, Proton VPN delivers good speeds on most servers. It is fast enough for 4K streaming and large downloads. Secure Core connections are noticeably slower because traffic takes an extra hop, so it is best used when privacy matters more than speed.
Free-plan users share servers with many others and may see congestion during peak hours.
Streaming and Torrenting
Paid plans unlock streaming support for popular services such as Netflix, Disney+, Amazon Prime Video, and many regional platforms. P2P traffic is supported on a large number of servers, and Proton VPN is one of the few mainstream providers that offers port forwarding, which can improve torrent performance.
The free plan does not include streaming optimization or P2P support.
The Free Plan
Proton VPN Free is arguably the best free VPN available. Unlike most free services, it has no data limit, shows no ads, and does not sell user data. The limitations are reasonable: one device at a time, servers in 10 countries chosen automatically, no streaming or P2P, and lower priority during busy periods. For basic privacy on public Wi-Fi it is an excellent starting point.
Apps and Ease of Use
Proton VPN has native apps for Windows, macOS, Linux, Android, iOS, Android TV, Apple TV, and Chromebook, plus browser extensions. The interface is clean and offers a good balance between simplicity and advanced options. Split tunneling is available on Windows, macOS, and Android, and profiles let you save favorite connection settings.
Pricing
Proton VPN’s paid plans include VPN Plus and the Proton Unlimited bundle, which adds Proton Mail, Drive, Calendar, and Pass. Long-term plans are much cheaper per month than monthly billing, but Proton VPN is generally priced above budget rivals like Surfshark. A 30-day money-back guarantee applies, with pro-rated refunds. See the official website for current pricing.
2-year plans, USD prices shown on protonvpn.com in October 2026. Renewal prices may differ.
Check the latest Proton VPN deal →
Pros and Cons
👍 Pros
- ✔Swiss jurisdiction with strong privacy laws
- ✔Open-source apps and regularly audited no-logs policy
- ✔Best free VPN plan available, with unlimited data
- ✔Secure Core multi-hop and Stealth protocol for censorship circumvention
- ✔Port forwarding for P2P users
- ✔Good speeds with WireGuard and VPN Accelerator
- ✔Integrates with the Proton privacy ecosystem
👎 Cons
- ✖Paid plans cost more than some competitors
- ✖Secure Core noticeably reduces speed
- ✖Free plan has limited locations and no streaming or P2P
- ✖Fewer extra features (e.g., no smart DNS for TVs) than some rivals
- ✖Refunds are pro-rated rather than full
Who Is Proton VPN Best For?
Proton VPN is the best match for privacy-focused users: journalists, activists, researchers, and anyone who wants to verify rather than simply trust their VPN provider. Users in censored regions benefit from the Stealth protocol and Secure Core. It is also an excellent option for people who already use Proton Mail or Proton Pass, since the Proton Unlimited bundle combines everything in one subscription. And for anyone on a zero budget, the free plan provides real protection without data caps or ads.
If your main goal is cheap streaming on many devices, or you want smart DNS for a smart TV, other providers such as Surfshark or NordVPN may be more practical.
Frequently Asked Questions
Is Proton VPN Free really free?
Yes. The free plan has no data limits and no ads, and Proton does not sell user data. It is funded by paying subscribers. The trade-offs are limited server choice, one device, and no streaming or P2P.
What is Secure Core?
Secure Core routes your traffic through specially protected servers in privacy-friendly countries before it reaches the exit server. Even if an exit server were monitored, your real IP address would remain hidden.
Is Proton VPN good for torrenting?
Paid plans support P2P on many servers and include port forwarding, which can improve download speeds and connectivity for torrent clients.
Why does Swiss jurisdiction matter?
Switzerland has strong privacy laws and is not part of the Five, Nine, or Fourteen Eyes intelligence alliances, making it harder for foreign governments to compel data disclosure.
How Proton VPN Compares
NordVPN and Surfshark offer more convenience features such as smart DNS and broader extra toolkits, while ExpressVPN provides the simplest apps and best router support. CyberGhost is friendlier for streaming novices. None of them, however, match Proton VPN’s combination of Swiss jurisdiction, open-source apps, Secure Core, and a genuinely usable free plan.
Verdict
Proton VPN is the top choice for users who put privacy and transparency first. Swiss jurisdiction, open-source apps, regular audits, and Secure Core make it extremely trustworthy, and the free plan is the best way to try a quality VPN without paying. It is not the cheapest premium option, and some convenience features are missing, but for journalists, activists, and anyone who wants a VPN they can genuinely verify, Proton VPN is hard to beat.
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