TimeBlocks supports synchronization with Apple's iCloud Calendar.
In TimeBlocks app, proceed accordingly;
- Click on profile in the top left corner
- Side Menu - Connections
- Select iCloud Calendar
- Select Connect
- Enter your Apple-ID and app-specific password, sign in (Note: How to set app-specific password)
After the connection has completed, your iCloud Calendar events will appear in TimeBlocks. The synchronization is bi-directional connection.