There are significant differences in appearance, taste and nutritional content between Jina fruit and apples.

1. Appearance: The peel of Jina fruit is thin and the bottom is golden yellow and shiny, while the color of ordinary apples is relatively dull.

2. Taste: The flesh of Jina fruit tends to be yellow in color with orange-red stripes, while the flesh of ordinary apples is darker in color. The flesh of the Jina fruit is crisper and more juicy than that of ordinary apples.

3. Nutrients: Jina fruit is rich in vitamin C, pectin, potassium, etc., among which the pectin and potassium content ranks first among fruits, while ordinary apples have the highest carotene, mineral content, etc. higher.

To sum up, there are differences between Jina fruit and apples. Consumers can choose different fruits according to their own tastes and needs.