When is Context API enough?
For relatively static or low-frequency data: themes, user info, auth status, and localization. Data that changes rarely and is read by many components is a perfect fit for Context, with no extra library.
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More FAQs in Redux vs Context API: When to Use Which in React
Use Context for low-frequency, widely-read data like themes, auth, and localization. Use Redux for complex, high-frequency state with many interactions, async logic, and a need for debugging tools. Reach for Redux only when Context is insufficient.
Context causes all consumers to re-render when the value changes, even if they only need part of it. Redux is optimized so only components selecting changed slices re-render. This matters at scale with frequent updates.
When your app has complex, high-frequency state with many interacting pieces, frequent updates, async logic, and a need for debugging tools like time-travel. If Context is causing unnecessary re-renders or becoming unmanageable, Redux is the right choice.
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