Best Cash Back App & Browser Extension Shop, share, and earn up to 30% cash back with Chirpyest! You can also create affiliate links from 800+ stores or curate your own storefront and earn more by sharing finds. Chirpyest has 67 cashback stores and has an average rating of 10 out of 10 based on 2 reviews. 21 out of 67 stores (about 31%) have the highest cashback rates in the market.