The "Review form available only for buyers" extension will disable the comment form on the product page for guests and registered customers who have not purchased that product.
You can write your custom message to buyers and non-buyers in the extension settings. These messages have multi-language capabilities.
Visitors will see the appropriate message when they view a product.

Live Demo
Visit the demo product, you will find that there is no permission to submit comments for you.
Then login with the following details and re-visit this product, this time you will be allowed to send comments.
user: demo@demo.demo
password: 123456789


Module settings



Purchased product



Product not purchased

No core files are changed or replaced.

Both vQMOD and OCMOD are available!

Install Instructions - OCMOD
- Login to your website OpenCart admin panel
- Go to Extensions > Extension installer and upload digitcart_buyer_review_{your_oc_version}.ocmod.zip
- Go to Extensions > Modifications and click Refresh
- Go to Admin -> Extension -> Module -> Digitcart - Review form available only for buyers -> Install -> Configure it

Install instructions - VQMOD
- If you don't have vQmod, you must download and install it from : https://github.com/vqmod/vqmod/releases/tag/v2.6.1-opencart
- copy the upload folder that comes inside the module and paste all the folders inside it( e.g. admin,catalog) to your opencart root
- Go to Admin -> Extension -> Module -> Digitcart - Review form available only for buyers -> Install -> Configure it