It’s a technique that is almost as old as the hills, but offering a free trial helped Shopify hack its way to 150,000 users.

The company offers small businesses the chances to set up online stores. For a small company that has yet to put its toe in the e-commerce waters, spending upfront with a web designer on an online store might look risky. Shopify allowed its users to prove the value of the proposition by giving them 14 days free usage. Very common trick to turn your user into a customer offer him a free trial:

Check for example Sheetsu Pricing Model as an example:

https://sheetsu.com/pricing

Other examples:
https://instapage.com/blog/free-trial-landing-page-examples