Yes, after signing up you will get a Free plan which allows you to monitor up to 2 pages, twice per day.
Page is a single URL which you want to monitor; each page may also include page area and keywords filters.
It is the limit of how frequently we'll check the selected page for changes.
Sure, you can either select a period (for example from 8:00 AM to 6:00 PM) or exact time of checks (i.e., check on 10:30 AM and 2:00 PM).
If you downgrade your plan, you'll stay on your current plan until the end of billing period. If you upgrade your plan, you'll be upgraded immediately, with proration of unused days on current period.
Contact us at firstname.lastname@example.org or using live chat to discuss it.