This is a tech review post about the CashKaro app, which allows users to earn percentage-based cashback every time they make online purchases via the app on any of its client websites or apps. As of today, it partners with more than 1,500 e-commerce players and retailers with an online presence. This includes popular websites and e-commerce giants such as Amazon, Flipkart, Myntra, Nykaa, Ajio, Pharmeasy, Firstcry, Netmeds, Zandu, Minimalist, Mamaearth, MakeMyTrip, Goibibo, Croma, Reliance Digital, JioMart, and many others.