
Block Four shares the same category data model as Block Three, but uses a subtler card highlight for Pro and a standard background on the mobile tab bar. It is useful when the comparison should feel calmer while keeping the same decision logic.
Use this comparator when a product page needs a clear decision frame: plan tiers, product alternatives, or capability differences. The implementation is React with Tailwind CSS, and the interactive variants rely on client-side state for mobile plan selection.
The demo data should be treated as scaffolding. Replace repeated labels, sample plan names, placeholder prices, and generic descriptions with accurate product facts before presenting the comparison to customers.
It can serve either role. The source compares plan availability and feature values, so it fits pricing, plan comparison, or competitor comparison pages.
The interactive versions use shadcn Button and Tooltip primitives, with Tailwind CSS handling the table layout and highlights.
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