Here is the pricing page:
https://www.wikipro.us/pricing/
It has four plan: basic, standard, pro and enterprise.
Each plan has unlimited number of customers. But they have different features and team user limit.
There is no contract to sign. You can choose a monthly or yearly plan. To save money, sign up a yearly plan to get a dicscount.
You can upgrade or downgrade your pricing plan any time.
We believe WikiPro software can help you to retain and add customers for your business.