When comparing Tkinter vs Dear PyGui, the Slant community recommends Tkinter for most people. In the question“What are the best Python GUI frameworks/toolkits?” Tkinter is ranked 3rd while Dear PyGui is ranked 5th.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Free for commercial use
Pro Included in the standard Python library
You probably already have it, since it's included in the standard Python distributions.
Pro Easy to learn and get productive with
TkInter is a small library with a gentle learning curve compared to what’s out there. It has a straightforward API and is often the go-to choice for building quick GUIs for Python scripts.
Pro Building executables is less complicated
Compared to other GUI libraries, building executables for TkInter applications are simpler because TkInter is included in Python and has no other dependencies. This results in less complicated packaging requirements and smaller binary size.
Pro Fast
Pro Easy to use
Pro Multi-purpose
Even while it's in beta, there's a ton of stuff that can be done with this framework.
Pro Helpful and responsive community
Pro Great performance
It's fast and responsive due to being written in C++, using the GPU and it is asynchronous by default.
Pro Smooth and easy to scale with a project
Pro Permissive MIT license
Pro Pythonic API
Despite originating from C/C++, DPG is the most Pythonic framework out there.
Pro Open source
Pro No GUI lag
GUI and Python API run at separate thread automatically!
Cons
Con No advanced widgets
TkInter does not come with advanced widgets out of the box (e.g. date picker).
Con Not good looking
You need a lot of code to make it look good.
Con No reliable UI builder available
There is no tool in the same league as Qt Designer (PyQt) for TkInter.