Tkinter has been Python's go-to GUI toolkit since the 90s. It's free, it comes with Python, and it works. But "works" and "modern" aren't the same thing.
This comparison looks honestly at both options—because sometimes Tkinter is the right choice, and sometimes you need more.
Quick Comparison
| Feature | Tkinter | Bravura SDK |
|---|---|---|
| Price | Free (bundled) | From $49.99/mo or $1,999.99 lifetime |
| Modern Styling | Manual, limited | Built-in themes + customizable |
| Dark Mode | DIY implementation | One-line toggle |
| GPU Acceleration | No | Yes (Professional+ tiers) |
| Learning Curve | Low | Low-Medium |
| Community Size | Massive | Growing |
| Commercial Use | No restrictions | License required |
When Tkinter Is the Right Choice
Don't pay for what you don't need. Tkinter makes sense when:
- Internal tools: Apps used by you or your team, where aesthetics don't matter
- Quick prototypes: Testing ideas before committing to a framework
- Learning: Understanding GUI fundamentals without cost barriers
- Simple utilities: File converters, batch processors, configuration tools
- Budget is zero: Obvious but valid—no budget means no alternatives
Honest Assessment
If your app will only ever be used internally, and appearance doesn't affect adoption, Tkinter is genuinely fine. Don't let marketing convince you otherwise.
When You Need Something More
Tkinter shows its age when:
- Users expect modern design: Native Tkinter looks like 2005. Users notice.
- You're selling software: Professional appearance affects perceived value.
- Performance matters: Data visualization, real-time displays, animations.
- Dark mode is expected: Implementing it properly in Tkinter is painful.
- You need custom components: Tkinter's widget set is limited.
Code Comparison: A Simple Window
Tkinter
import tkinter as tk
from tkinter import ttk
root = tk.Tk()
root.title("My Application")
root.geometry("800x600")
# Styling is manual and verbose
style = ttk.Style()
style.configure("TButton", padding=10, font=('Segoe UI', 10))
frame = ttk.Frame(root, padding=20)
frame.pack(fill='both', expand=True)
label = ttk.Label(frame, text="Hello World", font=('Segoe UI', 24))
label.pack(pady=20)
button = ttk.Button(frame, text="Click Me")
button.pack()
root.mainloop()
Bravura SDK
from bravura import App, Label, Button
app = App(title="My Application", theme="dark")
Label("Hello World", size=24).pack(pady=20)
Button("Click Me").pack()
app.run()
Same result. Different developer experience.
The Styling Problem
Here's where Tkinter struggles most. Making a Tkinter app look modern requires:
- Custom theme definitions (20-50 lines of style configuration)
- Manual color management for every widget
- Custom widget classes for advanced styling
- Platform-specific adjustments (Windows vs Mac vs Linux)
- Dark mode implementation from scratch
Bravura handles all of this out of the box. You get consistent, modern styling without the boilerplate.
Performance Benchmarks
For simple applications, both perform similarly. The difference appears with:
| Scenario | Tkinter | Bravura |
|---|---|---|
| 1000 list items render | 340ms | 45ms (virtualized) |
| Real-time chart (60fps target) | 15-25 fps | 60 fps (GPU) |
| Large image display | Blocking | Async + cached |
| Animation smoothness | Choppy | 60fps native |
The Development Experience
Tkinter
- Massive Stack Overflow presence—every problem has been solved
- No external dependencies
- Works everywhere Python works
- Documentation is... functional but dated
Bravura
- Modern documentation with live examples
- Professional support included
- Regular updates with new components
- Smaller community (for now)
The Business Case
If you're building software professionally, consider the math:
- Developer time saved: ~10-20 hours per project (styling, dark mode, performance)
- At $75/hour, that's $750-1,500 saved per project
- Bravura Standard license: $1,999.99 lifetime (launch pricing)
- Break-even: 1-2 projects
The Verdict
Choose Tkinter for internal tools, prototypes, and learning projects where appearance doesn't matter.
Choose Bravura for commercial software, client-facing applications, or any project where professional appearance and performance justify the investment.
Making the Decision
Ask yourself:
- Will users outside my company see this software?
- Does the application need to look professional?
- Am I building something I'll charge money for?
- Do I need performance beyond basic forms?
If you answered "yes" to any of these, a premium framework starts making sense. If all answers are "no," Tkinter will serve you well.
The best tool is the one that fits your actual needs—not the one with the flashiest marketing or the biggest community. Be honest about what you're building, and choose accordingly.