I think easier to use may translate as more familiar. It may be that one month is not long enough to change the habit of a lifetime. I would suggest getting to

I think easier to use may translate as more familiar. It may be that one month is not long enough to change the habit of a lifetime. I would suggest getting to the bottom of your frustrations. For example I still use Windows (as well as Ubuntu) as I miss Microsoft Office on Linux. Identifying the pain points may help with the decision making process.