Django vs Flask: Which is the Best Python Framework?

By | March 26, 2022
Django vs Flask

For web development with Python, we use its web frameworks. If you are into web development and want to write secure and robust back-end scripts, then Python is for you. Python is one of the most popular programming languages, and with its powerful web frameworks, you can increase your productivity in web development.

Although there are many best Python web frameworks, right now, Django and Flask are leading the market. With one of these two frameworks and Python’s clean, readable, and flexible code, you can build a dynamic web application rapidly and easy.

While both of these frameworks are quite popular among Python developers, some differences exist in their implementation and features. Often, a Python beginner who has just completed the basics has to face the dilemma of choosing between Flask and Django. If you are thinking of learning a Python web framework in 2022 and are still confused between Flask and Django, you are reading the right article.

Here in this article, we have provided a detailed Django vs Flask comparison. It will help you to choose the framework most suitable for your Python project. Before jumping to the crux of the article, which is “Django vs Flask: A Head-to-Head Comparison,” let’s have a look at the brief introduction of the top-ranking Python web frameworks.

What is Flask?

Flask is an open-source Python micro web framework. Micro framework means it does not come with all the dependencies, which makes it less powerful than a full-stack framework, but also lightweight, straightforward, and more flexible. Flask has more than 52K stars on GitHub, which makes it the second most popular Python web framework on the repository.

Flask is a minimalistic web framework that do not require specific Python libraries and tools. Nonetheless, you can add extensions and third-party libraries to extend its capabilities. There are a galore of tools and libraries that help in adding new features and components to the Flask framework.

Some Important Features of Flask

  • It comes with a development server and debugger.
  • It supports Unit Testing.
  • Flask can handle RESTful requests and APIs.
  • It uses Jinja Templating to insert content in HTML, CSS, and JavaScript templates.
  • It also supports secure cookies and is highly compatible with Google App Engine.
  • Flask is easy to learn and has a straightforward syntax, making it a beginner-friendly Python web framework.
  • Although it does not come with many inbuilt features, Python extensions can enhance its functionalities.

What is Django?

Django is an open-source, full-stack Python web framework. It has more than 53K stars on GitHub, which makes it the Python web framework with the most stars and the most popular Python framework on the online repository.

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It is a fully-featured Python web framework that can be used for any type of web project, big or small. Django follows the MTV (Model Template View) architecture, and it works on the DRY (Don’t Repeat Yourself) principle.

With Django, you can primarily focus on creating your webapp without worrying about the complexities of general web development. Django is a “Batteries Included” web framework because it comes with built-in components, such as an admin panel, authentication, login, logout, sessions, and messages so that you do not have to write all the code from scratch.

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Some Important Features of Django

  • It follows the MTV architecture, which is similar to MVC (Model View Controller).
  • It comes with an Object Relational Mapper (ORM) that manages the model’s data for you.
  • The popular Python framework also includes a standalone web-server and debugger.
  • It comes with all the necessary packages.
  • It includes form serialization and validation.
  • Django comes with many inbuilt middleware classes and security validations.
  • It includes tools for generating sitemaps, and it is also immune to malicious web attacks like SQL injection, cross-site scripting, and cross-site request forgery.

Django vs Flask: A Detailed Comparison

1. Type of Framework

Django is a full-stack framework while Flask is a micro web framework.

  • Django is a monolithic framework. This means all the Django developers have to follow the strict Django rules and patterns if they want to create an application using Django.
  • This makes Django less flexible, and on the other, it is a pulse point for the industry use of Django.
  • As Django development is the same for all the web-application, it is easier for developers to maintain and read the Django code.

On the other hand, Flask is a Diversified Python Framework. It is more flexible than Django, and the same Flask application can be built using different extensions and tools.

2. Framework Architecture

Flask follows the MVC architecture whereas Django follows the MTV architecture.

3. Database Support

Django comes with Django ORM (Object-Relational Mapper), and it is compatible with all the popular SQL DBMS such as MySQL, PostgreSQL, SQLite, etc.

Flask does not come with a built-in ORM; however, you can install the SQLAlchemy for the database connectivity.

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4. Flexibility

  • Django is a fully-featured framework, so you have to abide by its rules and patterns.
  • Although Django provides all the essential features you need, you won’t have much control over your web-application flow.

Flask does not come with many dependencies. Here you will have full control over your web application development.

5. Learning Curve

  • Django follows strict patterns and rules. That’s why Django has a steep learning curve. And it is also not a beginner-friendly web-framework.
  • Even To build a simple hello world application, you have to go through many modules.

Flask is lightweight, so does its learning curve. It is very easy to learn, and unlike Django, to build a simple hello world application, you do not need to create multiple modules. In Flask, it can be done with a single Python file within 3 to 4 lines of code.

6. Built-in Features

Django is a Batteries-Included framework, which means it comes with many built-in components. Django comes with its own built-in admin panel with an Authentication system.

Flask is a minimalistic framework; it does not include as many features as Django. If you want an admin panel and authentication system, you have to build it from scratch or install extensions and libraries.

7. Uses

Django is generally used for building full-scale and robust web applications.

Flask is generally used to build small and single-page web-applications.

8. Template Engine

Django uses Django Template Language (DTL) as a template engine to generate HTML for the web-page.

Flask uses Jinja2, which is similar to Django (DTL).

9. ORM Support

Django uses an inbuilt Django Object Relations Mapping tool to interact with Relational Modal Database.

For Flask, we can use the SQLAlchemy as an ORM tool.

10. Admin Panel

Django comes with a powerful and interactive built-in admin panel. And from the admin panel, you can manage the models and Users for your web-application.

There is no admin panel in Flask.

11. Performance

Django slightly lacks in performance as compared to Flask. It contains so many modules and classes, which also affect its performance.

Flask performance is better than Django. The performance criteria do not affect either of the frameworks’ popularity because the frameworks’ performance gap is negligible.

12. Community Support

Django has huge community support. So does Flask. Both frameworks are popular amongst python developers, and both have huge community support.

Django vs Flask: A Head-to-Head Comparison Table

Django

Flask

Framework Type
Django is a full-stack web framework. Also, it is a monolithic framework that decreases its flexibility. It is a micro framework. Being a diversified framework makes Flask more flexible.
Framework Architecture
It follows the MTV architecture. Flask follows the MVC architecture.
Database support
Django comes with Django ORM, and it is compatible with popular relational database management systems, such as MySQL and PostgreSQL. Flask does not have a built-in ORM.
Flexibility
With Django, you won’t have much control over the flow of your web application. Flask offers you full control over your web application development.
Learning Curve
Django has a steep learning curve. Learning Flask is easy.
Built-in features
It is a Batteries Included framework, which means it comes with many built-in components. It does not include as many features as Django.
Uses
Django is generally used for building full-scale and robust web applications. Flask is mainly used to build small and SPAs.
Template Engine
Django uses Django Template Language (DTL) as a template engine to generate HTML for the webpage. Flask uses Jinja2.
Admin Panel
It comes with a powerful and interactive built-in admin panel. It does not come with an admin panel.
Performance
Django slightly lags behind Flask in performance as it contains many modules and classes. Flask delivers a better performance than Django.
Community Support
Django has huge community support. Flask also has a huge community but not as big as that of Django community.

Flask or Django? Which Python Framework to Choose in 2022?

If you have just completed your Python basic and thinking of choosing a web-framework. We suggest you check out these Python projects before moving to web-development with Python.

Now let’s discuss which Python framework a beginner should learn Flask or Django? The straightforward answer to the question is to Learn Flask first, get acquainted with the framework’s working, then move to Django.

Why Flask first, not Django? If you have no prior experience with web-development and web-frameworks, then Django can easily overwhelm you. On the other Flask is an easy framework, and it will help you explore the domain of web-development and teach you how all the tools and libraries work along.

Conclusion

Both Django vs Flask can be used to build similar applications. But Django is more suitable for industries. And there are more jobs as a Django Developer as compared to the Flask Developer.

Both the Python web-frameworks (Django vs flask) have their use cases. Where Django is used to build high-scalable web-applications and Flask is used for small and fast applications. With Django, you would not have full control over the building block of your web application. On the other hand, you can design and developer your own application with your own rules with Flask.

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