Migration tool by LitExtension allows user to migrate database (product, category, order, customer, password, SEO URL, custom field, tax, review) from Shopify cart to Prestashop. Shopping cart migration is designed for non-tech person, so take it easy!
Migration tool: http://litextension....prestashop.html
Tutorial: http://litextension....igration-guide/
Video: https://youtu.be/orj6ZH2Cv3k