Latest questions about "costs"

If I download and I want to cancel during the trial period, I will not incur any costs?

Is Switch Audio File Converter free? I may need up to 10 downloads on 10 separate computers converting some files to a MP3. If you offer a group package and it is not free can you email me a quote?

I'm from India. I'm searching for a software that can calculate all the material quantities required or the costs involved for a construction plan.