If you're looking for a different Karma alternative, Beni is worth a look. Beni is an AI-powered shopping assistant that specializes in secondhand items from more than 40 resale sites. It offers a browser extension and mobile app to help you compare prices and find deals on used products. Features include favorites and alerts, size profile editing, and support for more than 2,000 retail sites, and it generates revenue through affiliate marketing.
Another contender is SayF, a mobile extension that uses AI to automatically apply the best deals, coupons and discounts from more than 1000 brands, including big e-commerce sites like Amazon and brick-and-mortar stores. SayF is geared for heavy shoppers who buy from multiple brands, consolidating the best deals in one place and saving you time and money. You can try the service by downloading the app.