Of course, they won’t be exactly the same as grape juice
This is because of the presence of alcohol
But they’re closer to a grape juice flavor than wines produced to taste like wine.
How similar the flavor is depends on what kind of grape juice you’re comparing.
Grape juice wines often try to mimic the reddish-purple grape juice made from Concord grapes.
This process is quite different from white grape juice popularized by Welch’s and made from Niagara grapes.
Want to learn more about wines that taste like grape juice?