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Dash vs Streamlit: What are the differences?
Key Differences Between Dash and Streamlit
Dash and Streamlit are both popular frameworks for building interactive web applications with Python. While they share some similarities, there are several key differences between the two.
Development Approach: Dash follows a declarative approach to building applications, where the layout and components are defined using Python code. This makes it flexible and allows for more customization. On the other hand, Streamlit follows an imperative approach, where the application is created by writing scripts that are executed sequentially. This makes it easier and quicker to create applications but offers less flexibility.
Design and Styling: Dash allows for more advanced design and styling options. With Dash, developers can fully customize the appearance of their applications using CSS and HTML. Streamlit, on the other hand, has a simpler and more streamlined design approach, with limited options for customization.
Data Sharing and Collaboration: Dash provides a built-in mechanism for sharing and deploying applications, called Dash Enterprise. It allows for easy deployment to the web with automatic scaling and offers collaboration features like version control. Streamlit, on the other hand, is primarily focused on local development, although it does allow for sharing applications via Streamlit Sharing, which is a free hosting service.
Performance: Dash applications tend to be faster and more efficient compared to Streamlit applications. This is because Dash leverages React.js for rendering the user interface, which enables efficient updates and responsive behavior. Streamlit, on the other hand, uses the Python ecosystem for rendering, which can be slower in some cases.
Data Visualization: Dash provides a wide range of interactive data visualization options through its integration with Plotly. This allows for the creation of sophisticated charts, graphs, and other visualizations. Streamlit also supports data visualization but is more focused on providing simple and quick visualization options.
Community and Ecosystem: Dash has a larger and more mature community compared to Streamlit. This means there are more resources, tutorials, and community support available for Dash users. Streamlit, on the other hand, is a newer framework and is rapidly growing in popularity, but its community and ecosystem are not as extensive as Dash's.
In summary, Dash and Streamlit have different approaches to development, design, data sharing, performance, data visualization, and community support. The choice between the two frameworks depends on the specific requirements of the project and the preferences of the developer.
Pros of Dash
- Dozens of API docs and Cheat-Sheets17
- Great for offline use12
- Works with Alfred8
- Excellent documentation8
- Quick API search8
- Fast5
- Good integration with Xcode and AppCode3
- Great for mobile dev work2
Pros of Streamlit
- Fast development11
- Fast development and apprenticeship1