Smartphone applications are famous for tracking your shopping habits and pushing targeted advertisements onto your screen. However, these digital platforms also contain a hidden treasure trove of completely free items and complimentary product trials. Supermarket chains quietly load these freebies into their applications to reward loyalty and introduce new brands to the consumer market. Finding these hidden rewards requires looking beyond the basic weekly circular and exploring specific sections of the digital interface. Let me uncover seven fantastic free samples and freebies currently hiding inside your grocery app.