MobX vs Redux Toolkit
Which should you use? A side-by-side look at what each one does, who it suits, what it costs, how hard it is to set up, and where each falls short.
Open source · MIT
A JavaScript library that tracks state changes automatically and updates the parts of your UI that depend on t
Open source · MIT
Official toolset that makes writing Redux state logic simpler and less error-prone.
The short answer
Choose MobX if you need…
- Frontend developers building React apps with complex or frequently changing state
- Teams who want state logic kept outside UI components so it is easier to test
- Developers who prefer plain JavaScript assignment over action-dispatch boilerplate
- TypeScript projects that want typed reactive state
Choose Redux Toolkit if you need…
- Developers already using or learning Redux for app state
- Teams that want the officially recommended Redux setup
- TypeScript projects that need typed state logic
Side-by-side
| MobX | Redux Toolkit | |
|---|---|---|
| Type | Library | Library |
| Price | Free and open source | Free and open source |
| Licence | MIT | MIT |
| GitHub stars | 28.2k | 11.2k |
| Setup difficulty | Intermediate | Intermediate |
| How you get it | Install with a package manager | Install with a package manager |
| Main language | TypeScript | TypeScript |
| Last code update | 5 days ago | 4 days ago |
What each one is
MobX
MobX is a JavaScript and TypeScript library for managing application state. You mark data as observable, and it automatically records which parts of your code read that data, so only the dependent computations or UI components re-run when a value changes. The README says it is used with React through the mobx-react-lite package and that it is not tied to any UI framework.
Redux Toolkit
Redux Toolkit is the official, opinionated set of tools for building Redux state management in JavaScript and TypeScript apps. Its description calls it batteries-included, meaning it bundles common Redux needs into one package. Developers use it to write less boilerplate code when managing shared application state.
Best for
MobX
- Frontend developers building React apps with complex or frequently changing state
- Teams who want state logic kept outside UI components so it is easier to test
- Developers who prefer plain JavaScript assignment over action-dispatch boilerplate
- TypeScript projects that want typed reactive state
Redux Toolkit
- Developers already using or learning Redux for app state
- Teams that want the officially recommended Redux setup
- TypeScript projects that need typed state logic
Strengths
MobX
- Updates are tracked automatically at runtime, so developers do not write manual memoization or selectors according to the README
- State can be changed with normal JavaScript assignment
- Independent of any UI framework, which makes state code portable and testable
Redux Toolkit
- Official project maintained alongside Redux itself
- Reduces repetitive Redux boilerplate
- Open-source under the MIT license with 11,235 stars and recent activity
Not ideal for
MobX
- Beginners who want a minimal first project, since the reactivity model takes time to learn
- Projects with very simple state that a plain useState hook or a few variables already handle
- Teams that want a framework-specific, opinionated structure, because the README describes MobX as unopinionated
Redux Toolkit
- Projects with very simple state needs, where Redux itself may be more machinery than required
- Non-developers, since it is a code library rather than an end-user tool
- Anyone needing details the README does not cover, since the provided README text was truncated and empty
Trade-offs
MobX
- The automatic tracking model is a concept new users must learn before it feels natural
- The README excerpt is truncated, so details on advanced APIs and edge cases are not verified here
- Its value depends on how much state complexity the project has; simple apps may not need it
Redux Toolkit
- The README text provided was truncated, so detailed features could not be verified here
- Adds a dependency on Redux concepts that new developers must learn first
- Best value depends on whether an app actually needs global state management
Getting started
Redux Toolkit
Install with npm
npm install @reduxjs/toolkitFrequently asked questions
What is the difference between MobX and Redux Toolkit?
MobX: A JavaScript library that tracks state changes automatically and updates the parts of your UI that depend on t. Redux Toolkit: Official toolset that makes writing Redux state logic simpler and less error-prone. MobX suits frontend developers building react apps with complex or frequently changing state, while Redux Toolkit suits developers already using or learning redux for app state.
Are MobX and Redux Toolkit free?
MobX: Free and open source. Redux Toolkit: Free and open source.
Is MobX or Redux Toolkit more popular?
MobX has more GitHub stars (28.2k) than Redux Toolkit (11.2k). Popularity isn't the same as fit — check which one matches your use case above.
What are other alternatives to MobX and Redux Toolkit?
Other options people compare them with include Redux, Zustand, Jotai.
Keep comparing
Built from our catalogue entries for both products: open-source details come from each project's README (AI-assisted, refreshed weekly) and GitHub data; AI-tool details are editorial. Spotted something wrong? Let us know from either product's page.