download free from our store link
UPDATE: new version available for opencart 3.x download from our store
https://market.authenticitservices.com/product-views-counter-on-product-page
This VQMOD will add a text on product page which will show the number of time/times the page is seen by users.

Example link: http://www.sastewala.in visit any product page.

Tested On Opencart 2.1.0.1 , 2.2.0.0
supports opencart 2.x

let me know if you face any issue or bug.

Instructions
First You will need VQMOD enable on your Opencart Store
Then just place the extracted XML file under root/VQMOD/xml/ folder
clear cache
Finish