Using one subscription across phone, laptop and tablet

A single subscription URL works on any number of devices. How to move it safely, and why sharing config files instead is a bad idea.

Multi-deviceMay 11, 20262 min read

A subscription URL is not tied to one machine. The same link can go into your laptop, phone and tablet, each refreshing independently. Knowing that saves a lot of duplicated effort.

How a subscription works

It is just a web address that returns a list of servers. The client does three things: request the URL, parse the response, replace its own list.

SubscriptionURLreturns a serverlisteach fetchesEvery deviceparses and storeslocallyindependentLocal settingsports and routingdiffer
Each device fetches independently

So multi-device use is native: add the URL once per device. When servers change, each device picks it up on its next refresh.

Getting the URL onto a phone

MethodHowSafety
QR codeGenerate a QR on the computer, scan it with the phoneNever leaves your devices — safest
Local network transferAny LAN file/text transfer toolStays inside your network
Password managerStore it as a secure note, synced across devicesEncrypted at rest
Message yourselfChat app, saved messages⚠️ Passes through a server — avoid
EmailSend to your own address⚠️ Stored in plaintext in your mailbox — avoid

Why not share the config file?

  • Port conflicts — different machines have different ports in use.
  • Routing rules do not transfer — process rules from a desktop are meaningless on a phone.
  • Platform differences — TUN and system proxy work completely differently per OS.
  • Incompatible formats — desktop and mobile clients do not share a config structure.

Share the subscription, keep configuration local. Servers stay in sync while each device keeps its own settings.

How many devices can use one subscription?

  • Concurrent connection limits — many plans cap simultaneous devices at three or so; extra connections displace older ones or fail.
  • Refresh rate limits — hammering the subscription endpoint can get you throttled.

A sensible division of labour

DeviceSuggested setupWhy
Main computerFull routing rules plus per-app routingMost complex use — worth configuring carefully
PhonePer-app routing, banking apps excludedSaves quota and avoids fraud locks
TabletSimple global, toggled on demandUsed rarely; complexity is not worth it
TV / consoleVia a computer on the LAN, or configured directlyLimited configuration capability on device

There is no need to make every device identical — they are used differently, so they should be configured differently.