Get online from networks that block VPNs.
Your connection carries a real website's handshake, so the network you're on sees an ordinary visit to a university site. When a way in is blocked, the app tries the others by itself.
The app connects on Automatic: the usual way first, and if that doesn't connect, it tests the others at once. To choose one yourself, open Your route in the app and press Edit route. Each way in has its own colour on the line.
- AutomaticWhichever connects, Reality first
- Port 443Reality, falling back to port 8443
- CloudflareThrough Cloudflare, a little slower
- HysteriaOver UDP, quick on lossy connections
- Scrambled HysteriaHysteria with every packet scrambled; needs UDP
- HybridReality and Hysteria at once, switching by itself
- Hybridised stealthIn through Sydney, out through Tokyo
From the outside
An encrypted TLS 1.3 connection on port 443 to an ordinary website. The certificate it gets back is that website's real one.
What actually happens
The server recognises your key in that handshake and carries your traffic. Anyone else who connects to it is passed through to the real website.
Through Cloudflare, the network sees an ordinary HTTPS connection to Cloudflare, which serves a large share of the web, and never sees our server's address. The privacy policy says what Cloudflare can see.
Download the app and press Test this network. It tries every way in from where you are and tells you if isotunnel gets through. No key or payment needed.
Version 0.2.7 for Windows 10 and 11, and macOS 11 or later.
Most PCs need the first one. Windows on ARM is for Snapdragon laptops, such as the Surface Laptop 7. Windows may say the publisher is unknown: choose More info, then Run anyway.
Checkout is by Stripe. Your access key appears on the next page as soon as the payment goes through.
Already have a key, or lost it? Renew or manage
What do you log?
Not the sites you visit, and no logs of your IP address. To run your account we keep your plan, its expiry and how much data you've used. The privacy policy lists everything.
Will it work where I am?
Download the app and press Test this network on the sign-in screen before you buy. It tries every way in from your own network and tells you if isotunnel works there.
Mac or phone?
Windows and Mac now (installing on a Mac). There's no phone app yet.
Will it be fast for me?
It's quickest near a server: Sydney for Australia and New Zealand, Tokyo for Japan. Choose the nearest one with Change location in the app.
Does it cover every app?
Browsers and most apps by default. Turn on full device mode in Settings and every app goes through it, games included. It asks for administrator permission when you connect.
What if I use up my data?
The VPN pauses until your allowance refills next month, or pay for another month for a fresh allowance straight away. The app shows how much you've used.
What if I lose my key?
If the app is still signed in, open Account and press Show next to Access key: you can copy it there. If not, open "Already have a key, or lost it?" in the box where you buy, enter the email you paid with, and we'll send the key there. (Only that address gets it, and only if a card payment used it.) If that doesn't work, email support@isotunnel.com with when you paid. We never see your card number, so we can't look you up by card. Keep your key somewhere safe, like a password manager.
What if it can't connect?
Turn on troubleshooting mode in Settings and send us the report it makes. The sites you visit and your key are left out of it.
What if the app crashes while I'm connected?
Your original settings are put back straight away. The one exception is on purpose: in full device mode with the kill switch on, the internet stays blocked until isotunnel reconnects.
- Protocols
- VLESS with XTLS Reality, XHTTP through Cloudflare, and Hysteria 2
- Servers
- Sydney, Australia and Tokyo, Japan
- Works on
- Windows 10 and 11, including Windows on ARM; macOS 11 or later
- Covers
- Browsers and most apps, or every app in full device mode
- Options
- Kill switch, ad and tracker blocking, split tunneling for chosen sites and apps
- Languages
- English, 简体中文, Русский
- Your key
- Kept in Windows Credential Manager on Windows
- If it crashes
- Your proxy settings are put back straight away
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- Version 0.2.7: Automatic location now picks the fastest city. The app times each server when you connect and starts with the quickest.
- Version 0.2.6: the app signs in through a new server address. Nothing changes for you.
- Lost your key? Open "Already have a key, or lost it?" on this page and we'll email it to the address you paid with.
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- Version 0.2.5: see and copy your access key in Account.
- Change location now opens right on the Connect screen.
- The network test shows each way's colour again, and the Chinese and Russian text is improved.
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- Version 0.2.4: fixes the internet not working after disconnecting on some PCs.
- Choose your location right in Edit route, connected or not. A chosen city is now the only one used.
- Super stealth is now called Scrambled Hysteria, as it needs a network that allows UDP. Editor options open and close smoothly.
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- Version 0.2.3: four more ways in, under Edit route: Hysteria, quick on bad networks; Super stealth; Hybrid, which keeps two connections open and switches between them; and Hybridised stealth, in through one server and out through another.
- Tokyo, Japan is now a location, next to Sydney.
- The taskbar icon is now the line mark from the title bar, and opening an option in Edit route no longer makes the window jump.
Earlier versions
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- Version 0.2.1: a new look. Your connection is drawn as a line, coloured by how you're connected, with your whole route and its settings in one place.
- Test your network from Settings, choose a location on its own screen, and troubleshoot in a plain terminal window.
- Fixes a split tunneling setting that could send traffic outside the VPN, and many smaller things.
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- Version 0.2.0, the first public release.
- A route through Cloudflare, a second disguise, and all routes tried at once when the usual one doesn't connect. Connect through: Automatic, Direct or Cloudflare.
- Full device mode for every app, with a kill switch. Split tunneling for chosen sites and apps.
- Ad and tracker blocking, auto-reconnect, and connect when isotunnel starts.
- Windows on ARM. Chinese and Russian. Automatic updates.
- A troubleshooting mode with live speeds, checks and a report to send for help.
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- New interface. Sign-in is remembered in Windows Credential Manager.
- Account screen with data used and renewal date.
- First working build: connects through the Sydney server and puts your proxy settings back after a crash.