
Flask
ExpressJS
Django
Yii Framework
Bottle
Ruby on Rails
Laravel
FastAPI is an Open Source, modern, fast (high-performance), web framework for building APIs with Python 3.6+ based on standard Python type hints.

React Native
Ionic Framework
Apache Cordova
Xamarin
NativeScript
Ionic
Quasar Framework
Build beautiful native apps in record time 🚀

Which is more popular?
Flutter might be a bit more popular than FastAPI. We know about 373 links to it since March 2021 and only 316 links to FastAPI.
Website, pricing, platforms and company facts side by side.
|
|
|
|
|---|---|---|
| Website | fastapi.tiangolo.com | flutter.dev |
| Pricing | ||
| Company | Startup from Colombia | — |
| Listed in |
What each product offers, as listed by its team.


Possible disadvantages
Possible disadvantages
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
FastAPI from the ground up
More videos
beginning of flutter youtube channel
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using FastAPI and Flutter. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


When our backend team needs to build services for data parsing, aggregators, or high-load APIs, FastAPI is our absolute go-to choice. It completely lives up to its name-development speed is outstanding. The...
FastAPI, as the name hints, is a swift mover. Built on Starlette, it’s all about speed and performance with Python. Crafting API masterpieces at the speed of light, now that’s something.
Since its release in 2018, it has rapidly gained popularity due to its great performance and simplicity. In fact, according to PyPi Stats, FastAPI has over 9 million monthly downloads, surpassing even full-stack...
With Flutter 2’s release in 2021, developers now have full support to construct intuitive Windows apps, marking another milestone in Flutter’s inclusive cross-platform vision.
So, above are some of the Flutter alternatives you can consider for your upcoming projects. To make the right selection, you should analyze the characteristics of your applications, which will help you make the most...
Qt’s native capabilities contribute to its good app performance and size. Compared to Flutter, Flutter apps tend to be larger than native apps. However, the framework’s features and language are designed to boost...
Recommendations tracked on public social media and blogs since March 2021.


Under the hood it's Flutter on the client and FastAPI with PostgreSQL on the server. WebSockets for realtime, WebRTC for calls, object storage for media, and small services for speech and translation. Android, iOS, Windows and Linux. The... - Source: dev.to / about 22 hours ago
Using FastAPI, FastStream, and dishka lets us follow Clean Architecture principles and almost avoid leaky abstractions. The prototype also used Pydantic and SQLAlchemy. I do not focus on them because these technologies are already... - Source: dev.to / 9 days ago
If your FastAPI app talks to a database through SQLAlchemy, chances are high you will meet it sooner or later. Not on your machine, of course. It shows up in production, after a few quiet hours, under load. And the reflex is always the... - Source: dev.to / 15 days ago
Under the hood it's Flutter on the client and FastAPI with PostgreSQL on the server. WebSockets for realtime, WebRTC for calls, object storage for media, and small services for speech and translation. Android, iOS, Windows and Linux. The... - Source: dev.to / about 22 hours ago
Let start another chapter of this journey with Dart by creating a mobile application with Flutter. For this post, a really simple application will be created called sandbox. Instead of adding some interactive part, like sending/receiving... - Source: dev.to / 6 months ago
Built with Flutter + flutter_gemma 0.15.1 + Whisper.cpp + sqflite. Targets 4–6 GB RAM Android phones like the Tecno Spark 10 and Infinix Hot 30 — the phones African kids actually share with their families. - Source: dev.to / 5 months ago
When comparing FastAPI and Flutter, you can also consider the following products.

a microframework for Python based on Werkzeug, Jinja 2 and good intentions.
Compare Flask to FastAPI or Flutter:

A framework for building native apps with React
Compare React Native to FastAPI or Flutter:

Sinatra inspired web development framework for node.js -- insanely fast, flexible, and simple
Compare ExpressJS to FastAPI or Flutter:

A front-end SDK to develop applications with HTML5 , CSS3 and JavaScript.
Compare Ionic Framework to FastAPI or Flutter:


Platform for building native mobile applications using HTML, CSS and JavaScript
Compare Apache Cordova to FastAPI or Flutter: