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Notifications and push

Notifications come in two halves:

  • The inbox is complete. It keeps every notification for 90 days, on every device.
  • Push is best effort, per device. A missed push is still in your inbox.

Turn push on or off

Choose Account → Devices & notifications. Each device you've signed in on is listed: turn push on for this one, rename it, or remove it. Signing out of a device stops its pushes.

Platform Push
iPhone, iPad, Mac Apple Push Notification service
Android Firebase Cloud Messaging
Web Web Push. On iPhone and iPad, only when the web app is added to the Home Screen.
Windows, Linux No push service: the app checks every minute while it's running and shows a local notification

Security alerts

Alerts beginning Security (a new sign-in, a password change, two-factor turned off) always come from Substratal itself. On iPhone and iPad they're time-sensitive, so they get through Focus modes. If you don't recognize one, open it and choose Secure my account.

Pushes never change anything

A notification never grants or removes access by itself. Tapping one opens the related screen, and everything there is fetched fresh.

Screens in this guide

NTF-01 · Inbox NTF-02 · Notification NTF-03 · Devices & notifications NTF-04 · Turn on notifications NTF-05 · User — Notifications & devices NTF-06 · Send notification APL-07 · Push credentials

Last updated 2026-10-23 · Built 2026-10-25 from a9ef3be · API 1.0.0-draft.13 · Substratal-Version: 1