Software Alternatives, Accelerators & Startups

CustomTkinter VS Electron

Compare CustomTkinter VS Electron 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.

Electron logo Electron

Build cross platform desktop apps with web technologies
  • CustomTkinter Landing page
    Landing page //
    2026-07-16
  • Electron Landing page
    Landing page //
    2023-02-01

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.

Electron features and specs

  • Cross-Platform Compatibility
    Electron allows developers to create applications that run on Windows, macOS, and Linux using a single codebase, making it easier to reach a broader audience.
  • Web Technologies
    Developers can utilize HTML, CSS, and JavaScript (including popular frameworks like React, Angular, and Vue) to build Electron apps, enabling a more accessible development process for web developers.
  • Rich Ecosystem
    Electron benefits from the vast ecosystem of Node.js, granting access to a multitude of packages and modules, and simplifying the inclusion of various functionalities in applications.
  • Auto-Update Mechanism
    Electron has built-in support for auto-updating applications, which saves developers time and effort in managing updates and improves the user experience by keeping the application up-to-date seamlessly.
  • Active Community
    An active community and extensive documentation provide a wealth of resources for developers, from tutorials to plugins, making it easier to find support and improve productivity.

Possible disadvantages of Electron

  • Large File Size
    Because Electron packages both the application code and a version of Chromium, applications tend to be significantly larger in file size compared to native counterparts.
  • High Memory Consumption
    Electron apps can consume more memory because each window runs its instance of Chromium, which can lead to inefficient resource usage, especially on systems with limited memory.
  • Performance
    Due to its reliance on web technologies and Chromium, Electron applications may not perform as well as optimally coded native apps, particularly in resource-intensive scenarios.
  • Security Concerns
    Electron's use of web technologies and features like Node.js integration increases the attack surface, requiring careful handling of security practices to prevent vulnerabilities such as injection attacks.
  • Complexity in Debugging
    Debugging Electron applications can be more complex due to the blend of backend (Node.js) and frontend (browser-like) code, requiring developers to be proficient in multiple debugging tools and techniques.

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 Electron

Overall verdict

  • Electron is generally considered a good choice for creating cross-platform desktop applications, especially when rapid development and leveraging web technologies are priorities. However, it may not be suitable for applications where performance and resource efficiency are critical, as Electron apps tend to be resource-heavy compared to native applications.

Why this product is good

  • Electron is a popular framework that allows developers to build cross-platform desktop applications using web technologies like HTML, CSS, and JavaScript. One of its main advantages is that it enables the use of existing web development skills to create apps for Windows, macOS, and Linux. Electron also benefits from a large community and a rich ecosystem of tools and libraries, making development quicker and more flexible.

Recommended for

    Electron is recommended for developers or teams that already have experience with web technologies and need to create desktop applications quickly across multiple platforms. It's especially useful for applications that require a high degree of flexibility and customization in the UI, or for products that benefit from sharing a codebase with a web application. Startups and small to medium-sized businesses that prioritize development speed and cost efficiency may find Electron particularly attractive.

CustomTkinter videos

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Electron videos

๐Ÿ’ป Why You Should Build Desktop Software With Electron

More videos:

  • Review - What is Electron: The Hard Parts Made Easy
  • Review - Electron Matrix Review Video

Category Popularity

0-100% (relative to CustomTkinter and Electron)
Rapid Application Development
Development Tools
6 6%
94% 94
IDE
100 100%
0% 0
Developer Tools
0 0%
100% 100

User comments

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Reviews

These are some of the external sources and on-site user reviews we've used to compare CustomTkinter and Electron

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Electron Reviews

Electron.js Alternatives For Cross-Platform Development
All of this changed when Electron.js came into the picture. The framework allowed developers to create a unique cross-platform desktop application without any hurdles. However, it uses up quite a bit of resource making it harder for developers to create lightweight applications. With this blog, we will look into suitable alternatives for Electron.js.
Source: www.atatus.com
12 Best Frameworks and Toolkits to Build Desktop Applications
If you are looking for an alternative to the Electronjs desktop application development framework, Neutralinojs is a viable option. A few applications may become bulky with Electron, but Neutralinojs can help avoid such problems.
Source: geekflare.com
10 Best Tools to Develop Cross-Platform Desktop Appsย 
Electron.js is compatible with a variety of frameworks, libraries, access to hardware-level APIs and chromium engine, and Node.js support. Electron Fiddle feature is great for experimentation as it allows developers to play around with concepts and templates. Simplification is at the center of Electron because developers donโ€™t have to spend unnecessary time on the packaging,...
Electron Alternatives๏นฃ5 Best JavaScript Frameworks for Desktop Apps
If youโ€™re a JavaScript developer, youโ€™re going to need to learn a few relatively simple things on how Electron works and itโ€™s API. You will most probably be able to set up your first Electron desktop application in just a few days.
Source: brainhub.eu
Frameworks & Tools to Develop Cross-Platform Desktop Apps โ€“ Best of
Enyo is an open-source JavaScript framework, like Electron, that allows developers to create native-quality apps for desktop, mobile, and TV. Enyo can run across all the relatively modern and standard web-based environments. Itโ€™s battle-tested and comes with a beautiful cross-platform UI toolkit for creating rich user interfaces.

Social recommendations and mentions

Based on our record, Electron 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.

Electron mentions (14)

  • Design Systems with Web Components
    So we talked a lot about the Atomic Design Principle, but you could just use that in any system and start creating. You could have Angular components, React Components, and Vue Components. But if you notice these don't easily work Everwhere. So the solution is to use Web Components because the modern browser can already understand these, and any Front-End framework can then utilize these components. You can use... - Source: dev.to / over 2 years ago
  • Building Apps with Tauri and Elixir
    For the longest time, building desktop apps was a daunting task to web developers. That is, until technologies like Electron made creating these apps more approachable to a wider audience. Today, weโ€™ve got a wide array of native applications built with solutions like Electron, Tauri, Capacitor, and many more. While these are great solutions, sometimes configuration can be tricky and the applications we create can... - Source: dev.to / over 2 years ago
  • SvelteKit + Electron: Create your desktop web app
    I make a new Adapter for SvelteKit apps that prerenders your entire site as a collection of static files for use with Electron. - Source: dev.to / over 3 years ago
  • Electron: Build Desktop Applications Using Plain Javascript
    Electron is a cross-platform shell โ€” a user interface for accessing operating system services both via command line (CLI) and graphical user interface (GUI). - Source: dev.to / over 3 years ago
  • Circuit To Turn On Desktop PC
    Electron (https://electronjs.org/) is a framework for developing cross-platform desktop applications using JavaScript, HTML, and CSS. This is the technology behind many popular apps like Slack, Discord and Visual Studio Code. Join for discussions around Electron! Source: over 3 years ago
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What are some alternatives?

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

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

Flutter - Build beautiful native apps in record time ๐Ÿš€

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.

React Native - A framework for building native apps with React

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