StackShareStackShare
Follow on
StackShare

Discover and share technology stacks from companies around the world.

Follow on

© 2025 StackShare. All rights reserved.

Product

  • Stacks
  • Tools
  • Feed

Company

  • About
  • Contact

Legal

  • Privacy Policy
  • Terms of Service
  1. Stackups
  2. Application & Data
  3. Frameworks
  4. Frameworks
  5. Flask vs Spring

Flask vs Spring

OverviewDecisionsComparisonAlternatives

Overview

Spring
Spring
Stacks3.9K
Followers4.8K
Votes1.1K
GitHub Stars59.1K
Forks38.8K
Flask
Flask
Stacks19.3K
Followers16.2K
Votes60

Flask vs Spring: What are the differences?

Flask vs Spring

Introduction

Flask and Spring are both popular web development frameworks that provide support for building web applications. However, there are several key differences between these two frameworks in terms of their architecture, development approach, and usage.

  1. Structure: Flask is a micro-framework, while Spring is a full-fledged framework. Flask allows developers to have more flexibility in terms of choosing components and libraries to build their application. On the other hand, Spring comes with a predefined structure and conventions, providing a more opinionated approach to web development.

  2. Language: Flask is primarily used with Python, while Spring is commonly used with Java. Python is known for its simplicity and readability, making Flask a popular choice for small to medium-sized projects. Java, on the other hand, is a more versatile and widely used language, making Spring a preferred framework for large-scale enterprise-level applications.

  3. Development Philosophy: Flask follows the "Do-it-yourself" philosophy, where developers have more control over the development process. It allows developers to choose and integrate various components as per their requirements. Spring, on the other hand, follows the "Convention over Configuration" philosophy, providing a set of predefined configurations and conventions to simplify development. This can speed up development but may limit flexibility.

  4. Community and Ecosystem: Flask has a smaller community compared to Spring, but it is highly active and growing rapidly. Flask has a wide range of third-party extensions and libraries, making it easy to find solutions for specific needs. Spring, on the other hand, has a larger and more mature community with extensive documentation and support. It also offers a comprehensive ecosystem of tools and frameworks.

  5. Learning Curve: Flask has a relatively low learning curve due to its simplicity and minimalistic approach. It is easy to get started with Flask and build a basic application quickly. Spring, on the other hand, has a steeper learning curve due to its extensive features and complexity. It requires a more thorough understanding of Java and the Spring framework.

  6. Suitability: Flask is well-suited for small to medium-sized applications, prototyping, and rapid development. It is ideal for projects that require flexibility and customized solutions. Spring, on the other hand, is better suited for large-scale enterprise-level applications with complex requirements. It provides extensive support for security, scalability, and integration with other enterprise systems.

In summary, Flask and Spring differ in terms of their structure, language, development philosophy, community support, learning curve, and suitability for different project sizes. Flask offers more flexibility and simplicity, while Spring provides a comprehensive framework with extensive enterprise-level features.

Share your Stack

Help developers discover the tools you use. Get visibility for your team's tech choices and contribute to the community's knowledge.

View Docs
CLI (Node.js)
or
Manual

Advice on Spring, Flask

Tushar
Tushar

Jan 7, 2021

Needs adviceonSpringSpringSpring BootSpring BootDjangoDjango

Is learning Spring and Spring Boot for web apps back-end development is still relevant in 2021? Feel free to share your views with comparison to Django/Node.js/ ExpressJS or other frameworks.

Please share some good beginner resources to start learning about spring/spring boot framework to build the web apps.

827k views827k
Comments
Kristan Eres
Kristan Eres

Senior Solutions Analyst

Jul 30, 2020

Needs adviceonDjangoDjangoPythonPythonFlaskFlask

My journey to developing REST APIs started with Flask Restful, and I've found it to be enough for the needs of my project back then. Now that I've started investing more time on personal projects, I've yet to decide if I should move to use Django for writing REST APIs. I often see job posts looking for Python+Django developers, but it's usually for full-stack developers. I'm primarily interested in Data Engineering, so most of my web projects are back end.

Should I continue with what I know (Flask) or move on to Django?

392k views392k
Comments
Anonymous
Anonymous

Dec 15, 2020

Needs adviceonSpringSpringJavaJavaNode.jsNode.js

I am provided with the opportunity to learn one of these technologies during my training. I have prior experience with Spring and found it tough and still haven't figured out when to use what annotations among the thousands of annotations provided. On the other hand, I am very proficient in Java data structures and algorithms (custom comparators, etc.)

I have used Node.js and found it interesting, but I am wondering If I am taking the risk of choosing a framework that has a comparatively lesser scope in the future. One advantage I see with the node.js is the number of tutorials available and the ease with which I can code.

Please recommend which path to take. Is Spring learnable, or should I spend my energy on learning Node.js instead?

290k views290k
Comments

Detailed Comparison

Spring
Spring
Flask
Flask

A key element of Spring is infrastructural support at the application level: Spring focuses on the "plumbing" of enterprise applications so that teams can focus on application-level business logic, without unnecessary ties to specific deployment environments.

Flask is intended for getting started very quickly and was developed with best intentions in mind.

Statistics
GitHub Stars
59.1K
GitHub Stars
-
GitHub Forks
38.8K
GitHub Forks
-
Stacks
3.9K
Stacks
19.3K
Followers
4.8K
Followers
16.2K
Votes
1.1K
Votes
60
Pros & Cons
Pros
  • 230
    Java
  • 157
    Open source
  • 136
    Great community
  • 123
    Very powerful
  • 114
    Enterprise
Cons
  • 15
    Draws you into its own ecosystem and bloat
  • 4
    Poor documentation
  • 3
    Verbose configuration
  • 3
    Java
  • 2
    Java is more verbose language in compare to python
Pros
  • 10
    For it flexibility
  • 9
    Flexibilty and easy to use
  • 7
    User friendly
  • 6
    Secured
  • 5
    Unopinionated
Cons
  • 10
    Not JS
  • 7
    Context
  • 5
    Not fast
  • 1
    Don't has many module as in spring
Integrations
Java
Java
No integrations available

What are some alternatives to Spring, Flask?

Node.js

Node.js

Node.js uses an event-driven, non-blocking I/O model that makes it lightweight and efficient, perfect for data-intensive real-time applications that run across distributed devices.

Rails

Rails

Rails is a web-application framework that includes everything needed to create database-backed web applications according to the Model-View-Controller (MVC) pattern.

Django

Django

Django is a high-level Python Web framework that encourages rapid development and clean, pragmatic design.

Laravel

Laravel

It is a web application framework with expressive, elegant syntax. It attempts to take the pain out of development by easing common tasks used in the majority of web projects, such as authentication, routing, sessions, and caching.

.NET

.NET

.NET is a general purpose development platform. With .NET, you can use multiple languages, editors, and libraries to build native applications for web, mobile, desktop, gaming, and IoT for Windows, macOS, Linux, Android, and more.

ASP.NET Core

ASP.NET Core

A free and open-source web framework, and higher performance than ASP.NET, developed by Microsoft and the community. It is a modular framework that runs on both the full .NET Framework, on Windows, and the cross-platform .NET Core.

ExpressJS

ExpressJS

Express is a minimal and flexible node.js web application framework, providing a robust set of features for building single and multi-page, and hybrid web applications.

Symfony

Symfony

It is written with speed and flexibility in mind. It allows developers to build better and easy to maintain websites with PHP..

Spring Boot

Spring Boot

Spring Boot makes it easy to create stand-alone, production-grade Spring based Applications that you can "just run". We take an opinionated view of the Spring platform and third-party libraries so you can get started with minimum fuss. Most Spring Boot applications need very little Spring configuration.

Android SDK

Android SDK

Android provides a rich application framework that allows you to build innovative apps and games for mobile devices in a Java language environment.

Related Comparisons

Bootstrap
Materialize

Bootstrap vs Materialize

Laravel
Django

Django vs Laravel vs Node.js

Bootstrap
Foundation

Bootstrap vs Foundation vs Material UI

Node.js
Spring Boot

Node.js vs Spring-Boot

Liquibase
Flyway

Flyway vs Liquibase