Singlebox
Costco

Singlebox + Costco

Manage multiple Costco accounts and all of your other web service, email and messaging accounts in one place with Singlebox.

Get Singlebox for Free

Available for macOS, Windows and Linux.

Singlebox is a desktop app for Mac and PC to manage multiple Costco accounts and all of your other web service, email and messaging accounts in one place.

  1. Install and launch Singlebox app.
  2. Click + button to add new service.
  3. Search for "Costco".
  4. Click "Add" to add Costco account.