I'm in the process of trying to scale my fee-only/advice-only planning practice. With enough clients that I'm reaching significant overload, I'm looking into Canadian planning software that I can use for my clients - but not necessarily with my clients.
If you use the professional version, you create and control the files and your clients do not have any access.
The collaborative version has more CRM functionality, such as exportable client lists, but not to the extent of exchanging information with billing and other CRM systems. For the collaborative, you can turn off the social media and referral components.