Proton VPN review 2026. Tested under real conditions.

Most VPN reviews are written by people who tested a VPN the same way they test a blender. Install it, run a speed test, check if Netflix works, publish. That’s not what this is.

Proton VPN is one of three products we affiliate with. That means we had more reason than most to write a favourable review. We didn’t. What we actually found is below.

What Proton VPN is

Proton VPN is part of the Proton ecosystem: a Swiss-based suite of privacy tools built by a team that started at CERN and launched Proton Mail after the Snowden revelations. The VPN launched in 2017. The entire codebase is open source. It has been independently audited multiple times by Securitum and others. The results are public.

Swiss jurisdiction matters. Switzerland is not in the EU and not in the 14 Eyes intelligence-sharing network. Swiss law requires a formal legal process before any data can be disclosed to foreign authorities. Proton has received requests and published transparency reports detailing every one.

The closest peer for the operationally serious user is Mullvad, with a different identity model. The full comparison sits in Proton versus Mullvad in 2026, and the standalone review is in our Mullvad VPN review for 2026.

What the audit actually says

In 2022, Securitum conducted a full infrastructure audit of Proton VPN. The findings identified some issues. Proton fixed them and published both the original report and the remediation confirmation. That transparency is the point.

A company that publishes its audit findings including the problems is more trustworthy than a company that publishes only positive results. The first kind has something to prove. The second kind has something to hide.

The no-logs claim and what it means in practice

Proton’s no-logs policy has been tested under real conditions, not just stated in marketing copy. Swiss authorities have requested user data in the context of criminal investigations. Proton provided what they legally had to: account metadata. Not browsing history. Not connection logs. Not IP addresses. Because those don’t exist.

Speed and reliability

Proton VPN is not the fastest VPN on the market. For the threat profiles Predaxia is written for, throughput is rarely the limiting variable.

Proton has a feature called Stealth that obfuscates VPN traffic to make it look like regular HTTPS. In testing across multiple restricted environments including corporate networks in the Gulf and hotel Wi-Fi in East Asia, Stealth maintained connection when standard protocols were blocked. Not always. But more consistently than most alternatives.

The broader picture of which providers ship usable obfuscation in actively-blocking countries is in the VPNs that still work in China, Iran, and Russia. The list is shorter than most VPN comparisons would suggest.

Where Proton VPN falls short

The apps are heavier than they need to be. The desktop client has gone through interface changes that prioritise visual presentation over function.

Multi-hop routing adds latency that becomes noticeable on video calls. For daily use, most people will disable it.

Customer support response times are inconsistent. For a privacy-focused service where users sometimes have urgent operational needs, this matters.

And no VPN, however well-audited, fixes the failure modes documented in why a VPN will not save you once this has already happened. The audit covers what the provider sees. The user covers everything the device leaks before traffic reaches the tunnel.

Frequently asked questions

Is Proton VPN really no-log?

Yes, verified under real legal conditions. Swiss authorities requested user data; Proton provided only account metadata, no browsing history, no connection logs, no IP addresses, because those records don’t exist.

Does Proton VPN work in China?

Proton’s Stealth protocol has been tested in restrictive environments and maintained connections in some cases. Results vary by region and change over time. Test it from a safe network before you depend on it.

Is Proton VPN free version worth using?

For occasional non-critical use, yes. The free tier ships fewer servers, no Secure Core routing, and no Stealth protocol, which means it does not work in actively-blocking jurisdictions. For everyday network protection on home or coffee-shop Wi-Fi, the free tier is functional. For travel into restrictive environments or for any use where your connection logs would matter in court, the paid tier is the relevant product.

Does Proton VPN work with streaming services?

Inconsistently. Streaming platforms actively block VPN exit IPs. Proton rotates server IPs and ships a small set of streaming-optimised servers, but the cat-and-mouse with streaming providers means any given service may or may not work on any given day. If streaming access is your primary use case, Proton is not the right tool. If privacy is the primary use case and streaming sometimes happens to work, it is.

Proton VPN is what you use when the stakes are real. Not because it’s perfect. Because it’s verifiable.

Proton Unlimited is the tool we recommend for encrypted email, VPN and secure storage. It’s what we’d use ourselves.

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There’s no perfect setup. Anyone selling you perfect is selling fear. The goal is simple: make yourself a harder target than the person next to you.