Yes they are. In fact they are so private that you can’t even share them with someone else, which is a major failing in my opinion and one of the reasons I still keep using Google Keep.
Want to learn more about Google Keep and how you can use it in your small business? Check out my articles here (it’s being written in chapters because at some stage I plan to make a book out of it)
If you’re interested in some of the things you can do with Google Tasks as a small business owner then check out a couple of my articles: Getting Started with Google Tasks and Doing More with Google Tasks
Are Google Keep Notes available offline?
My Google Calendar mobile app does not sync with my desktop Google Calendar
What’s the difference between Google Keep and Google Tasks?
What is a ‘workspace’ in Google Drive?
How to create a Google Calendar event from Gmail
How To Create a Google Calendar Event Template