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CustomTkinter VS wxWidgets

Compare CustomTkinter VS wxWidgets and see what are their differences

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Contents:
  1. ยป Base Details
  2. ยป Videos
  3. ยป Reviews
  4. ยป Alternatives

CustomTkinter logo CustomTkinter

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

wxWidgets logo wxWidgets

wxWidgets: Cross-Platform GUI Library
  • CustomTkinter Landing page
    Landing page //
    2026-07-16
  • wxWidgets Landing page
    Landing page //
    2022-07-21

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.

wxWidgets features and specs

  • Cross-Platform
    wxWidgets allows developers to create applications that run on different platforms such as Windows, macOS, Linux, and more, without changing the codebase.
  • Native Look and Feel
    It provides a native look and feel on each platform by using the native GUI components, making applications appear more integrated with the host OS.
  • Wide Range of Widgets
    wxWidgets offers a rich set of widgets and controls, supporting complex interfaces and various types of user interactions.
  • Extensive Documentation
    The library is well-documented, with numerous tutorials, guides, and an active community to help developers troubleshoot and expand their understanding.
  • Open Source
    Being open source, wxWidgets provides the flexibility to customize and modify the library to better fit specific needs without licensing costs.

Possible disadvantages of wxWidgets

  • Steep Learning Curve
    Due to its extensive features and the complexity of configuring UI components, new users may find it challenging to learn and utilize effectively.
  • Large Binary Size
    Applications built with wxWidgets can become quite large, which might be a drawback for developers focusing on lightweight applications.
  • Platform-Specific Bugs
    Since wxWidgets aims to provide native components for each platform, sometimes this leads to platform-specific bugs that can complicate cross-platform consistency.
  • Limited Modern Features
    While wxWidgets is robust, it might lack some of the modern, cutting-edge features found in newer libraries and frameworks in terms of design and ease of use.
  • Dependency Management
    Managing dependencies for different platforms can be cumbersome, requiring additional effort in the build and deployment processes.

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

Analysis of wxWidgets

Overall verdict

  • wxWidgets is a solid choice for developers who need a reliable, cross-platform GUI library with a native look and behavior. Its open-source nature and mature backing make it especially appealing for projects requiring wide platform compatibility.

Why this product is good

  • Platform Independence: wxWidgets allows you to create applications that can run on multiple platforms, such as Windows, macOS, and Linux, without changing the underlying code.
  • Open Source: As an open-source library, wxWidgets is free to use and has a large community supporting it, providing extensive documentation and forums for assistance.
  • Comprehensive Feature Set: wxWidgets provides a wide range of controls and tools that enable developers to build feature-rich applications.
  • Native Look and Feel: The library utilizes the native API of the host system, which means applications built with wxWidgets often look and behave like native applications.
  • Mature and Well-Tested: Having been around for many years, wxWidgets is a mature framework with well-tested tools and a history of stability and reliability.

Recommended for

  • Developers building cross-platform desktop applications.
  • Projects that require native look and feel on different operating systems.
  • Open-source enthusiasts or developers who prefer using community-supported frameworks.
  • Teams seeking a mature and well-documented GUI solution.

CustomTkinter videos

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wxWidgets videos

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Cross Platform Graphical User Interfaces in C++

More videos:

  • Demo - More Cross Platform Graphical User Interfaces in C++: Custom Controls

Category Popularity

0-100% (relative to CustomTkinter and wxWidgets)

CustomTkinter

wxWidgets

Rapid Application Development
19 19%
Rapid Application Development
81% 81
Development Tools
10 10%
Development Tools
90% 90
IDE
100 100%
IDE
0% 0
Developer Tools
0 0%
Developer Tools
100% 100

User comments

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Social recommendations and mentions

Based on our record, wxWidgets seems to be more popular. It has been mentiond 14 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

CustomTkinter mentions (0)

We have not tracked any mentions of CustomTkinter yet. Tracking of CustomTkinter recommendations started around Jul 2026.

wxWidgets mentions (14)

  • Linux Applications Programming by Example: The Fundamental APIs (2nd Edition)
    Linux is rarely a porting issue for C++ or python: https://wxwidgets.org/ Static linking libraries for MacOS or Windows is contaminated by GPL/LGPL code, and this why wxwidgets excludes the disclosure requirement. Also, if you are looking for a VueJS cross-platform GUI framework for most Desktop and Mobile platforms (MacOS hardware and developer account is a requirement): https://github.com/quasarframework/quasar... - Source: Hacker News / 4 months ago
  • PureBasic: The Quiet Survivor
    Some other options. https://github.com/andlabs/libui > Simple and portable (but not inflexible) GUI library in C that uses the native GUI technologies of each platform it supports. Missing a lot of desktop features and abandoned. https://wxwidgets.org/ > wxWidgets is a C++ library that lets developers create applications for Windows, macOS, Linux and other platforms with a single code base.... - Source: Hacker News / 5 months ago
  • Bonsai: A 3D Voxel Engine, from scratch
    That is a fact, and why https://wxwidgets.org/ had to have a more open license to cross-port programs from/to other platforms (especially Android and windows often needed Static builds just for practical reasons.) Additionally, a public-domain/CC0 license can run up against some organizations policies. It is better to release under several licenses to reach as many users as possible. Personally prefer Apache... - Source: Hacker News / 7 months ago
  • Implementation of a Java Processor on a FPGA
    I have done native cross-platform projects in https://wxwidgets.org/ and https://quasar.dev/ . Fine for basic interfaces, but static linking on Win64 gets dicey with lgpl libraries etc. YMMV. - Source: Hacker News / 8 months ago
  • YAD: Is a simple tool for developing Graphical User Interfaces
    > Are we missing somethng? wxWidgets?[1] [1]: https://wxwidgets.org/. - Source: Hacker News / about 1 year ago
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What are some alternatives?

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

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

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

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.

WompMobile - WompMobile offers tow kind of functions โ€“ first creating new mobile apps and secondly converting the websites into mobile applications.

PyGObject - PyGObject is a python extension module that allows Python programs to easily interface and make use of libraries using the GObject type system.

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