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In this research, we compared the phenotypical characters, total anthocyanins content, total phenols content, and antioxidant activity of red-fleshed apple cultivars 'XJ4', 'QN-5', 'DH' and 'HX1' at three fruit developmental stages. A further flavonoids metabolites study was conducted in 'XJ4' and 'DH'. We found broader variation of total anthocyanins content in the peel of the four cultivars, which might result in larger differences of free radicals scavenging rate. The most significant difference in fruit phenotype, anthocyanins conte