Pre-sales questions

Is there no way to communicate with anyone about a pre-sales question on pricing?

What is your question?
web support…
https://support.ccleaner.com/s/contact-form?language=en_US&form=general
email is…
support@ccleaner.com

I had sent an email on Feb. 24:

I installed the trial version and it prompts me to upgrade to Pro for CA$19.08/yr yet the price on the website is CA$56.44/year
Why the price difference?
Are the features different?