Set up Side A Remote
Answer your Mac’s Claude Code and Codex sessions from your iPhone.
Side A on macOS 14 or later. Side A Remote on iOS 26 or later.
Pair your iPhone
- In Side A on your Mac, open Settings › Remote.
- Turn on Side A Remote and click Pair iPhone… If macOS asks about incoming connections, click Allow.
- On your iPhone, open Side A Remote, tap Pair with Your Mac and scan the code.
- Check both show the same 6-digit code, then click Pair on your Mac.
- Optional: run /hooks once in Codex, and turn on Keep this Mac awake in Settings › Remote.
Where it connects
Choose in Settings › Remote › Connection on your Mac.
- Tailscale
- Sign in to the same Tailscale account on both.
- Also on this Wi-Fi
- When both are on the same Wi-Fi.
- Reach this Mac from anywhere
- Through our relay, encrypted end to end.
If it doesn’t connect
- Can’t reach your Mac. It may be asleep or Side A is closed
- Wake the Mac and open Side A. Away from your Wi-Fi, turn on Tailscale on both, or Reach this Mac from anywhere.
- Tailscale is off on this iPhone
- Open Tailscale on your iPhone and turn it on.
- This iPhone was removed from your Mac
- Pair again from Settings › Remote on your Mac.
- Your Mac has a new security key, so this iPhone has to pair again
- Tap Pair Again and scan the new code on your Mac.
- Update Side A on your Mac
- Choose Check for Updates… in Side A’s menu.
- Update Side A Remote to use it with your Mac
- Update the app from TestFlight or the App Store.
Still stuck? Run Settings › Test Connection in the app.
Privacy
Encrypted end to end. No account, no analytics. Privacy policy
Help
Write to support@getsidea.com or open an issue on GitHub.