New Safari browser comes with a way to prevent cross-site tracking. Unfortunately, this also prevents login for apps which are using Shopify Embed Kits. To login to app, simply follow the instructions:
Mac
- In the Safari App on your Mac, choose Safari > Preferences, then click Privacy.
- Uncheck “Prevent cross-site tracking”.
iPhone
- Tap Settings
- Tap Safari
- Uncheck “Prevent cross-site tracking”.