Pirates use Flask, the Navy uses Django

Update: Tony Narlock created an amazingly comprehensive comparison of Django vs Flask.

If you're testing out a new idea or getting a product going, you have to choose a web stack to build it on. For Python devs, Flask and Django are the two most popular web framework options. I have experience with both and have chosen one or the other for my myriad of projects and companies. My current product, WakaTime is built with Flask and this choice has helped us achieve our goals of building an API heavy product which enables 27,000+ developers to use and extend.

Having experienced the benefits of choosing the right framework, I created a worksheet to help other devs decide. You can go through it and get a "result" of the best framework to use.

Django vs Flask worksheet

Additionally, if you are interested, here are some comparison points for both Django and Flask.

Differences between Django and Flask

Django is older and larger, but Flask has a more active community according to GitHub.

Django

  • Born in 2005
  • Larger community
  • 13,820 stars
  • 607 watchers

Flask

  • Born in 2010
  • Newer, active community
  • 13,489 stars
  • 1,036 watchers

Landscape

Many companies use Django and Flask because they save time building the product in the beginning and can scale to handle millions of users as their webites grow.

Performance

Flask serves JSON responses slightly faster than Django.

Django vs Flask Performance


However, they are both insignificant when compared to frameworks in other languages. The reason to use Django or Flask is to increase dev performance, build faster, and have a "fast enough" framework.

Django vs Flask Performance Insignificant


In conclusion, the reason to use Django or Flask is to save dev time and build faster. You should use your best judgment and this worksheet when deciding which framework is best suited for your use case.

I would also be happy to chat and help you decide between Django or Flask. Just leave a comment here with your question or jump on the #wakatime channel on irc.freenode.net.

P.S. Pirates use Flask, the Navy uses Django. WakaTime is a pirate ;)

Update: Emilien Klein found an interesting open-source comparison of Flask and Django.

Update 2: There is a new tool to visually compare open-source projects: Flask vs Django

Update 3: Tony Narlock created an amazingly comprehensive comparison of Django vs Flask.

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WakaTime measures coding time for programmers using open-source plugins for your text editor. You automatically get insights about your programming. Try it out, it's free!

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