Will TikTok Shop be bigger than Amazon for viral products?

Probably not overall in the near term—but TikTok Shop can absolutely be bigger than Amazon for certain viral, impulse-buy products during the discovery phase.

Best way to think about it:

• TikTok Shop is stronger for creating demand: beauty, fashion accessories, gadgets, home finds, novelty gifts, creator-led products, and trend-driven impulse buys.
• Amazon is stronger for capturing demand: shoppers who already know what they want, compare reviews, expect fast delivery, and want a broad trusted marketplace.
• For viral products, TikTok may become the first place people discover and buy, while Amazon remains where many shoppers validate, compare, reorder, or buy from a familiar checkout flow.

So the likely outcome is not “TikTok Shop replaces Amazon.” It is more likely: TikTok Shop becomes a major viral-product sales channel, especially for creator-driven categories, while Amazon remains the default broad e-commerce platform.

If you sell viral products, the practical move is to use both: launch and test creative on TikTok Shop, then protect Amazon listings for search demand, reviews, repeat buyers, and shoppers who do not buy inside social apps.