These are top and recommended hide price extension for Magento 1 & 2.

1, Hide Price by Landofcoder
If you are looking for a quick and easy way to reach your customers, Hide Price extension in Magento 2 is a perfect choice. With this tool, it requires customers to log in or register an account to view the price of the product on the site. This is an indirect way to approach and promote products to customers
Link: https://landofcoder.com/magento-2-hide-price.html

2. Hide Price by Bsscommerce
This tool allows hiding prices of products if users do not register or login account on the website. With this useful feature, customers will stay on your site longer to find the price of the product, which increases the time on-site and improves the user's buying experience.
Link: https://bsscommerce.com/magento-2-hide-price-extension.html

3. Hide Price by Cart2quote

With Hide Price extension Magento 2, you can easily manage the display of prices of products on the website. In addition, it also makes it convenient for you to reach your customers and improve the user's buying experience.
Link: https://www.cart2quote.com/magento-2-not2order.html