Kiwis are sweet, refreshing fruits with a nice tartness that complements their sweetness. The riper the fruit is, the sweeter and less tart it tends to be. The taste of kiwi fruit can be compared to pineapple for its bright, acidic quality and tropical kick. Kiwifruit is also known for its intriguing appearance and taste. With a fuzzy brown exterior and glistening, bright green flesh, kiwi is juicy and refreshing with a sweet and tarty taste.