MERN and MEAN stacks are very popular and widely used for web application development. But to use them effectively you need to know the difference between the two. MEAN uses Angular, and MERN uses React JS for the UI. MEAN is used at the enterprise level. On the other hand, the MERN is opted for when applications are smaller.

Both are great for creating dynamic, scalable, and highly efficient applications; however, how would you decide which fits best among your needs? You need to understand a few key factors along with the features of each stack to determine the right solution. Let’s look at the difference between MEAN and MERN to help you pick the right framework for your project.

What is MERN?

MERN is a composition of four open-source technologies: MongoDB, Express.js, React, and Node.js. Like MEAN, MERN uses JavaScript as the main programming language that’s why it’s popular among web and application developers. The reasons for its popularity are simplicity, flexibility and the ability to meet the requirements of modern applications. Let’s see some of the features of MERN to understand better.

Features of MERN

Here are the reasons why many dedicated full-stack developers prefer the MERN stack:

• Reliable Document Database

Applications that need you to update data frequently work great with MongoDB. The flexible data modelling and efficient indexing features offered by MongoDB allow developers to work with complex data scenarios. Express.js has a lot of powerful tools and middleware on offer that make the server-side logic handling a piece of cake and simplify the web app development process.

• JavaScript Runtime Environment

Node allows developers to write server side logic in JavaScript. The main advantage of this is that developers don’t need to use different languages for front-end and back-end development. React is for when you need to build or develop component based UI. You can use its virtual DOM to improve your rendering and make your applications faster.

• Open Source and Cost-Effective

The open-source parts of the MERN stack reduce costs and increase creativity since there’s a whole community behind it. It is popular; hence, many available resources, such as tutorials and documentation, make MERN easy for beginners to learn and flexible for experienced developers.

What is MEAN?

MEAN stack is also a popular combination that includes MongoDB, Express.js, Angular and Node.js. Like MERN, MEAN uses JavaScript throughout the stack, so there is great interaction between front-end and back-end technologies. This is particularly noted for structured, scalable codebases and enterprise-grade applications. You can hire MEAN stack developers for your projects if you need to speed up your operations.

Features of MEAN

Let us see what makes MEAN so special and why it is preferred by developers worldwide:

• Reliable Document Database

MongoDB empowers MEAN with high-speed data storage. It’s just perfect for managing dynamic and evolving datasets. Say goodbye to rigid schemas and hello to seamless scalability! Express.js makes backend development a breeze, handling server-side logic as easy as possible. It’s lightweight, fast, and gets the job done—with elegance.

• JavaScript Runtime Environment

Node.js bridges the gap between front-end and back-end with a single language: JavaScript. No more juggling of languages; it’s all in one, efficient, and blazing fast. Build smarter, code faster, and deploy easier. The core of MEAN is Angular, which comes with a powerful MVC framework for building dynamic apps. Its foundation in TypeScript makes it easier to handle your code and makes it more productive to work with. It is where structure meets scalability.

• Open Source and Cost-Effective

MEAN is open-source, and anybody can access it for development. Some developers also praise its cost-effectiveness. It’s like having a goldmine of resources without breaking the bank. MEAN’s mature community is a treasure trove of resources and expertise. Whether it’s troubleshooting or learning new tricks, you’re never alone. The collective wisdom here ensures you’re always in good hands.

Key Differences between MEAN and MERN

The biggest difference between MEAN and MERN stacks is the front-end framework. MEAN uses Angular, while MERN uses React. Angular is a huge framework for developers to use when designing web applications, and React is a library for building user interfaces. However, it is not limited to this: it is a powerful tool for building complex applications. Tools like React Router and state management libraries such as Redux have made this much easier. Let’s understand the key differences between MERN and MEAN:

• Structure and Flexibility

Angular provides a very formal and inbuilt tools framework, especially for large applications that need homogenous code bases. React provides an architecture that is based on components. So, when you use React, you have more flexibility in UI creation, and it will be easier for you to reuse or make UI components from scratch.

• Learning Curve

Angular has a complex learning curve because it is a complete framework and requires TypeScript knowledge. This is because it is not solely due to TypeScript; the complexity arises from its architecture and concepts like dependency injection, observables, and modules. React also has a learning curve, but its simpler API is much easier for developers familiar with JavaScript. However, similar to Angular, mastering Angular concepts like JSX, hooks, and state management can also present challenges.

• Performance

React’s virtual DOM makes updates and renderings quicker, hence giving the MERN stack an upper hand in apps that require frequent UI changes. On the other hand, Angular has also improved its performance with features like Ahead-of-Time (AOT) compilation and change detection strategies. Angular has two way data-binding feature that makes the synchronization of models and views much easier. Still, dedicated full-stack developers find it to be slow sometimes, mainly for highly dynamic applications.

• Community Support

Angular and React both have a good community, so you’ll have more support from other dedicated full-stack developers when you need it. React’s community has grown rapidly, is highly active, and has large libraries and integrations built on top of it.

MEAN vs. MERN: Feature Comparison

Let’s look at some of the differences between these two in a comparison table to help you understand better:

MEAN vs. MERN: Which One to Choose?

It all comes down to what your project needs and what level of expertise your development team has. Both are good, and this depends on what your project needs, how your team works and how experienced they are. Both stacks can be used effectively for various application sizes depending on specific project requirements and team expertise.

The MEAN stack is typically favoured for backend-intensive applications that must scale up big enterprise deployments. Contrarily, the MERN stack suits light, high-performance applications with dynamic user interfaces.

MEAN can be effective if you have experience with Angular or TypeScript. On the other hand, MERN is the natural choice for teams that feel comfortable with JavaScript and React.

Both are modern web development frameworks and have strong ecosystems, but the maturity of Angular gives it better support for complex use cases. At the same time, the dynamic growth of React provides access to innovative features and tools.

When to Choose MEAN:

• Your team is comfortable with TypeScript and Angular’s structured framework.
• You need a powerful and no-fuss framework that easily integrates with other tools and is consistent and scalable.

When to Choose MERN:

• Your team prefers React’s flexibility and component-based architecture.
• You’re focused on cross-platform development and a faster learning curve.

The Bottom Line

MEAN will probably be better for a team that likes an opinionated framework like Angular in a structured environment. On the other hand, MERN would likely be more appealing to teams with members who cherish flexibility and minimalism. Whatever framework you choose, it will all come down to how good or how skilled your full stack developers are.

Hire full stack developers who are proficient in either MEAN or MERN, and you are good to go. Looking to hire MEAN stack developers or MERN stack developers? With our AI-powered talent cloud, you can connect with dedicated full-stack developers and close your open positions in just 2-3 days! So, don’t wait! Visit our website to learn more!

FAQs

1. What are the advantages of hiring MEAN stack developers?

MEAN stack developers are good at creating structured, scalable applications using Angular. Their expertise ensures consistency and productivity, especially for large-scale projects that require a strong framework.

2. Why should I hire MERN stack developers for cross-platform development?

MERN stack developers use the component-based architecture of React to build highly interactive and dynamic user interfaces. Their skills are particularly useful for projects that require fast development and efficient rendering.

3. Can I switch between MEAN and MERN during development?

You can definitely switch mid-project or mid-development between MEAN and MERN. But it will take serious restructuring, mostly for the front end. We suggest selecting the right stack right at the beginning to avoid these problems.