To download the app on iOS visit http://go.trycaviar.com/ca in your mobile browser. To download on Android simply search "Courier Prime" in the Play Store.
NOTE: The Courier App has a gray icon, the Customer App is orange!
Additional installation instructions:
For iOS devices:
First click on the Courier app to see the "Untrusted Developer" message. Then do the following:
Tap Settings > General > Profiles or Profiles & Device Management. A profile for "Caviar Inc." will be listed under the "Enterprise App" heading. Click on the profile and you're done!
For Android devices:
Tap Settings > Apps > Caviar > Permissions > Check all boxes. You're done!