zustandvsmobx
Zustand is minimal, explicit, hooks-first. MobX is observable, automatically reactive, more "magic." Zustand wins on simplicity; MobX wins on complex deeply-nested state.
zustand
github.com/pmndrs/zustand#2 in the React survey. Tiny, no boilerplate, hook-based. Replaced Redux for most teams. Stays out of your way until you genuinely need it.
Full review →mobx
github.com/mobxjs/mobxObservable-based reactive state. Different mental model than Zustand/Jotai — closer to Vue's reactivity. Still active but losing ground to simpler stores in 2026.
Full review →Which should you pick?
Pick zustand if…
You have global client state (auth, UI flags, undo history) and useContext is creaking.
Skip zustand if…
You only have server state — TanStack Query covers it.
Pick mobx if…
Your team comes from Vue/Angular and wants familiar reactive patterns.
Skip mobx if…
You are React-first — Zustand fits the ecosystem better.
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