Psiphon (often misspelled “Pısıphon”, “Pisiphon” or “Psi phone”) is one of the most widely used tools for getting around internet censorship. When governments block social media or news sites, Psiphon downloads often spike into the millions.

But Psiphon isn’t a typical privacy VPN, and that difference matters. In this guide I’ll explain what Psiphon is, how it works, what’s free, and when I’d recommend it versus a standard VPN.

What is Psiphon?

Psiphon is a free, open-source censorship circumvention tool. It started as a project at the Citizen Lab, University of Toronto, launched in 2006. Psiphon Inc., an independent Canadian company, has developed it since 2007.

Its job is simple: help people reach websites and apps that are blocked where they live, such as news sites, messaging apps or social media.

Correction: an older version of this page wrongly described Psiphon as malware. It isn’t. Psiphon is legitimate, open-source software. Just make sure you download it only from the official website or official app stores.

How does Psiphon work?

Psiphon connects your device to its network of thousands of servers using a mix of technologies:

  • VPN, SSH and HTTP proxy connections to tunnel your traffic out of the censored network
  • Obfuscation, which disguises the traffic so it’s harder for censors to detect and block
  • Automatic switching between servers and methods, so if one route is blocked, it tries another

That’s why Psiphon often keeps working when ordinary VPNs are blocked. It’s designed to be hard to stop, not to be the fastest or most private option.

Psiphon free vs paid

FreePaid (subscription or SpeedBoost)
Data limitNoneNone
SpeedLimited (about 2 Mbps)Faster
AdsYesNo
PlatformsAndroid, iOS, Windows, macOSSame

TechRadar’s review (updated 2025) lists paid options from about $2.99 per week, $10 per month or $72 per year, plus a “PsiCash/SpeedBoost” credit system. Prices may vary by country and app store.

Is Psiphon safe?

Safe to install? Yes, from the official sources. It’s open source, and it has had independent security audits.

Private? Only partly. This is the key point:

  • Psiphon encrypts your connection so local networks and censors can’t easily see what you’re doing.
  • But it’s not an anonymity tool, and it isn’t a “no-logs” VPN. TechRadar notes Psiphon keeps some service metadata (such as connection times, device and bandwidth information, and sometimes visited domains).
  • Reviewers also found it lacks a kill switch, so traffic can leak if the connection drops.

My advice: use Psiphon to reach blocked content. If your main goal is privacy (for example on public Wi-Fi), a reputable paid VPN with an audited no-logs policy is a better fit. If you’re a journalist or activist facing serious risks, look for specialist digital-security guidance, because no single app protects you on its own.

Who should use Psiphon?

  • People in countries with heavy internet censorship, especially during shutdowns or protests
  • Travellers visiting places where common apps are blocked
  • Anyone who needs a free fallback when a regular VPN can’t connect

It’s less suitable for streaming, gaming or large downloads, because the free version is slow.

How to download and use Psiphon

  1. Go to the official Psiphon website (psiphon.ca) or the Google Play Store / Apple App Store.
  2. Install the app. No account is needed for the free version.
  3. Open the app and tap Start. Psiphon picks a connection method automatically.
  4. Once connected, use your browser or apps as normal.
  5. To stop, open the app and tap Stop.

If Psiphon’s own website is blocked where you are, use the official app store listing, and avoid download links shared by unknown sites or people.

In most countries, yes. But some countries restrict or ban unapproved VPNs and circumvention tools. Check the law where you are, and think carefully about your personal risk.

Psiphon alternatives

  • Tor Browser: strong anonymity, slower, free
  • A reputable paid VPN: better speed and privacy for everyday use
  • Lantern: another free censorship circumvention app

If you want to understand the difference between proxies and VPNs, see my guide on what type of proxy you need. For more privacy tips on your phone, read 5 essential steps to secure your Android smartphone.

Frequently asked questions

Is Psiphon a VPN? It uses VPN technology, but it’s best described as a censorship circumvention tool. It combines VPN, SSH and proxy methods.

Is Psiphon free? Yes, with no data limit. The free version is slower and shows ads.

Does Psiphon hide my identity? Not fully. It encrypts your connection but isn’t designed for anonymity, and it keeps some metadata.

Is Psiphon a virus? No. It’s open-source software. Only download it from official sources to avoid fake copies.

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