CustomTkinter vs wxPython

Side-by-side — pricing, strengths, tradeoffs, and fit.

CustomTkinter

Modern and customizable Python UI library based on Tkinter.

wxPython

Blending of wxWidgets C++ class library with Python for GUI development.

At a glance

Open SourceFree Tier
● Established·From $0
Open SourceFree Tier
· Not enough data·From $0

Overview

One-liner

Modern and customizable Python UI library based on Tkinter.

One-liner

Blending of wxWidgets C++ class library with Python for GUI development.

Maturity

Established

Maturity

Not enough data

Open source

✓ Yes

Open source

✓ Yes

Pricing

Free tier

✓ Available

Open source — free to use

Free tier

✓ Available

Open source — free to use

Starts at

$0

Starts at

$0

Model

Flat rate

Model

Flat rate

Enterprise

✕ None

Enterprise

✕ None

Best for

✓ Best for

Python developers who need to create modern-looking UIs quickly and easily
Projects requiring a balance between customization and ease-of-use in GUI development
Developers looking for an alternative to more complex UI frameworks like PyQt or Kivy

✓ Best for

Developers building cross-platform GUI applications who prefer Python over other languages.
Teams needing a comprehensive set of widgets and controls for desktop application development.

Not ideal for

✕ Not for

Projects that require highly specialized UI components not covered by CustomTkinter's library
Teams needing real-time collaboration features within the UI framework itself

✕ Not for

Projects requiring real-time data streaming or complex web services.
Applications that require high-performance graphics rendering beyond standard UI elements.

Strengths

↑ Strengths

Modern and customizable UI components
Enhanced visual design compared to traditional Tkinter
Easy integration with existing Python applications
Active community support and frequent updates

↑ Strengths

Cross-platform GUI development for Windows, macOS, and Linux.
Comprehensive set of widgets and controls.
Event-driven programming model.
Supports Python 3.x.

Weaknesses

↓ Weaknesses

Limited cross-platform consistency in appearance and behavior
Performance issues with complex UIs
Small community and slower development pace compared to mature frameworks
Documentation lacks depth for advanced use cases

↓ Weaknesses

Steep learning curve for non-Python developers
Outdated documentation and examples
Performance issues on large-scale applications
Limited customization options for modern UIs
Full CustomTkinter profile →Full wxPython profile →