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CustomTkinter VS wxPython

Compare CustomTkinter VS wxPython and see what are their differences

CustomTkinter logo CustomTkinter

CustomTkinter is a python desktop UI-library based on Tkinter, which provides modern looking and fully customizable widgets.

wxPython logo wxPython

wxPython is a GUI toolkit for the Python programming language.
  • CustomTkinter Landing page
    Landing page //
    2026-07-16
  • wxPython Landing page
    Landing page //
    2021-10-18

CustomTkinter features and specs

  • Modern UI Appearance
    CustomTkinter provides a modern, flat, and visually appealing look for Tkinter applications, with rounded corners, better color schemes, and improved widget styling compared to standard Tkinter.
  • Easy Transition from Tkinter
    Since it's built on top of Tkinter and uses similar syntax and widget names, developers familiar with Tkinter can easily transition to CustomTkinter without a steep learning curve.
  • Built-in Dark and Light Mode
    CustomTkinter supports automatic and manual switching between dark and light appearance modes, making it easy to create apps that adapt to system themes or user preferences.
  • Customizable Themes
    The library allows for extensive customization through theme files (JSON), enabling developers to create and apply custom color schemes and styles across their entire application.
  • Cross-Platform Compatibility
    CustomTkinter works across Windows, macOS, and Linux, providing a consistent look and feel across different operating systems, which is an improvement over native Tkinter's platform-dependent appearance.

Possible disadvantages of CustomTkinter

  • Limited Widget Set
    Compared to more mature GUI frameworks like PyQt or Kivy, CustomTkinter offers a smaller set of widgets, which may require additional custom development for complex applications.
  • Performance Overhead
    The additional styling and rendering logic on top of Tkinter can introduce slight performance overhead, especially in applications with many widgets or frequent UI updates.
  • Dependency on Tkinter Limitations
    Since it's built on Tkinter, CustomTkinter inherits some of Tkinter's inherent limitations, such as less flexible layout management and fewer built-in animations compared to modern frameworks.
  • Smaller Community and Ecosystem
    As a relatively newer library, CustomTkinter has a smaller community, fewer third-party extensions, and less extensive documentation compared to more established GUI frameworks.
  • Occasional Bugs and Inconsistencies
    Being under active development, users may encounter occasional bugs, inconsistent behavior across platforms, or breaking changes between version updates that require code adjustments.

wxPython features and specs

  • Cross-platform Compatibility
    wxPython is built on the wxWidgets C++ library, which supports multiple platforms, allowing developers to create applications that run on Windows, macOS, and Linux with minimal changes to the codebase.
  • Native Look and Feel
    Applications built with wxPython use native UI elements provided by the operating system, resulting in a more consistent and authentic look and feel across different platforms.
  • Rich Set of Widgets
    wxPython offers a wide range of widgets and controls, enabling developers to build complex and feature-rich GUIs with various functionalities and levels of customization.
  • Strong Community Support
    wxPython has been around for a long time and has accumulated a robust community. This support provides ample resources, tutorials, and examples that can assist developers in utilizing the library effectively.
  • Continuing Development
    wxPython continues to be actively developed and maintained, ensuring that it receives regular updates, bug fixes, and improvements to keep it viable for modern applications.

Possible disadvantages of wxPython

  • Steeper Learning Curve
    For beginners, wxPython can be more challenging to learn compared to other Python GUI libraries because of its comprehensive and sometimes complex API.
  • Larger Application Size
    Applications built with wxPython tend to have larger file sizes compared to those made with some other GUI libraries, potentially impacting distribution and storage demands.
  • Limited Mobile Support
    While wxPython excels in desktop application development, it offers limited support for mobile platforms, making it less suitable for developers looking to target mobile devices.
  • Dependency Overhead
    wxPython introduces additional dependencies that need to be managed, which can be cumbersome for developers aiming for lightweight applications or those trying to reduce build complexity.
  • Platform-specific Bugs
    Due to its reliance on native components, wxPython applications might encounter platform-specific bugs or inconsistencies that require platform-specific workarounds or additional testing.

Analysis of CustomTkinter

Overall verdict

  • CustomTkinter is a solid choice for Python developers who want to build modern-looking desktop GUIs without leaving the familiar Tkinter ecosystem. It provides a good balance between ease of use and visual polish, making it especially attractive for smaller to medium-sized projects.

Why this product is good

  • Built on top of standard Tkinter, so it's easy to learn if you already know Tkinter
  • Provides modern, flat-styled widgets with rounded corners and better default aesthetics than vanilla Tkinter
  • Supports light and dark mode theming out of the box, including system theme detection
  • Cross-platform support for Windows, macOS, and Linux
  • Actively maintained with regular updates and a growing community
  • Free and open-source with a permissive license
  • Good documentation and examples to help beginners get started quickly
  • Customizable color themes and widget appearance without needing CSS-like styling

Recommended for

  • Python developers who want a quick way to modernize Tkinter-based UIs
  • Hobbyists and students building desktop apps for personal or academic projects
  • Small business or indie developers creating internal tools or utilities
  • Developers who prefer lightweight GUI frameworks over heavier alternatives like PyQt or Kivy
  • Projects that need dark mode support without complex theming systems
  • Anyone already familiar with Tkinter looking for an easy upgrade path

CustomTkinter videos

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wxPython videos

Python Top 3 GUI Frameworks In 2019 (PyQt5, wxPython, TKinter)

More videos:

  • Review - Starting on a GUI: WXpython vs Kivy #MP55
  • Tutorial - How To Create Panel In wxPython GUI Programming #2

Category Popularity

0-100% (relative to CustomTkinter and wxPython)
Rapid Application Development
IDE
100 100%
0% 0
Developer Tools
0 0%
100% 100
Development Tools
33 33%
67% 67

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Reviews

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wxPython Reviews

Which Python GUI library should you use? Comparing the Python GUI libraries available in 2023
WxPython is under active development and is also currently being reimplemented from scratch under the name 'WxPython Phoenix'. The team behind WxWidgets is also responsible for WxPython, which was initially released in 1998.
10 Best Python Libraries for GUI
Nearing the end of our list is Wax, which is the wrapper for wxPython. Offering the same functionality as wxPython, Wax stands out thanks to it being far more user-friendly. Wax is also implemented as an extension module for Python, and it supports the development of cross-platform applications.
Source: www.unite.ai
Top 10 Python GUI Frameworks for Developers
wxPython is essentially a Python extension module that acts as a wrapper for the wxWidgets API. wxPython allows Python developers to create native user interfaces that add zero additional overhead to the application. The cross-platform capabilities of wxPython allow deployment to platforms like Windows, Mac OS, Linux, and Unix-based systems with little to no modifications.

What are some alternatives?

When comparing CustomTkinter and wxPython, you can also consider the following products

PyQt - Riverbank | Software | PyQt | What is PyQt?

Kivy - Open source Python framework for rapid development of applications that make use of innovative user interfaces, such as multi-touch apps. Installation on WindowsInstallation on Windows. Installation; What are wheels .

Qt - Powerful, flexible and easy to use, Qt will help you not only meet your tight deadline, but also reduce the maintainable code by an astonishing percentage.

GTK - GTK+ is a multi-platform toolkit for creating graphical user interfaces.

Tkinter - Tkinter is a Python wrapper for Tcl/Tk that offers classes to create various graphical user interfaces.

wxWidgets - wxWidgets: Cross-Platform GUI Library