If you use non-Mac computers or non-iOS mobile devices ... lDrive is another online backup service. However, it differs from both Backblaze and Carbonite in a number of ways.

Duplicati, a free download on both macOS and Windows, puts encrypted backups of all your important files into the cloud ...

We found this to be a hugely customizable service for Windows, Mac, and Linux with a pain ... securely continuous and scheduled backups with both online and local destinations.