kitio.aiStable Diffusion web UI vs QR Diffusion
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Stable Diffusion web UI is completely free, while QR Diffusion is freemium.
At a glance
Best for
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Text-to-image and img2img
- Inpainting
- Extensions ecosystem
- Upscaling
- Prompt matrix and X/Y plots
- AI QR code art
- Stable Diffusion with ControlNet
- Template gallery
- Image-to-image mode
- Dynamic URLs
- Tutorials
| Feature | Stable Diffusion web UI | QR Diffusion |
|---|---|---|
| Best for | Popular open-source browser interface for local Stable Diffusion | Scannable QR codes turned into AI-generated artwork |
| Category | Image | Image |
| Pricing model | Free | Freemium |
| Starting price | Free | See pricing page |
| Free plan | Yes, fully free | Yes |
| Made by | AUTOMATIC1111 | QR Diffusion |
| Based in | – | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
Stable Diffusion web UI is completely free, while QR Diffusion is freemium.
Free plan
Cheapest paid plan
Top plan
Free trial
3 plans
Lite
$11/mo billed yearly
- 40 QR codes weekly
- 7 new dynamic URLs weekly
- Low queue priority
Pro
$13/mo billed yearly
- 1,200 QR codes weekly
- 70 new dynamic URLs weekly
- Full QR options
Ultimate
$79/mo billed yearly
- 4,000 QR codes weekly
- 999 new dynamic URLs weekly
- VIP queue priority
Prices in USD, checked Oct 28, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
Stable Diffusion web UI
- Free and fully local
- Huge extension library
- Familiar tab layout
- Slow to support new models
- Setup needs some tech skill
- Development has slowed
QR Diffusion
- Free QR code art generator
- Templates to start from
- Dynamic URLs on paid plans
- Lite plan has low queue priority
- Weekly QR code limits on every plan
- Pricing shown assumes annual billing
Which one should you choose?
Choose Stable Diffusion web UI if you want:
- Free and fully local
- Huge extension library
- Familiar tab layout
Watch out: slow to support new models.
Choose QR Diffusion if you want:
- Free QR code art generator
- Templates to start from
- Dynamic URLs on paid plans
Watch out: lite plan has low queue priority.
Stable Diffusion web UI vs QR Diffusion FAQ
What is the difference between Stable Diffusion web UI and QR Diffusion?
Stable Diffusion web UI: Popular open-source browser interface for local Stable Diffusion. QR Diffusion: Scannable QR codes turned into AI-generated artwork. Both are image tools.
Is Stable Diffusion web UI or QR Diffusion cheaper?
Stable Diffusion web UI is completely free, while QR Diffusion is freemium.
Do Stable Diffusion web UI and QR Diffusion have free plans?
Stable Diffusion web UI: Yes, fully free. QR Diffusion: Yes.
Who makes Stable Diffusion web UI?
Stable Diffusion web UI is made by AUTOMATIC1111.
Who makes QR Diffusion?
QR Diffusion is made by QR Diffusion.
Which should I choose, Stable Diffusion web UI or QR Diffusion?
Choose Stable Diffusion web UI if you value free and fully local and huge extension library. Choose QR Diffusion if you value free qr code art generator and templates to start from.