21st.dev
Create, remix and share UI components with AI
ILLA Cloud
Create Business Apps Like assembling Blocks
Updated June 2026
| 21st.dev | ILLA Cloud | |
|---|---|---|
| Rating | 5.0★ | 5.0★ |
| Reviews | 6 | 10 |
| Pros | 6 | 15 |
| FactScore™ | 42.3 | 52.1 |
FactScore™ Comparison
FactScore™ weighs both quality (rating) and popularity (reviews) for a fairer ranking than stars alone.
Pros & Cons
Only in 21st.dev — Pros
UI component marketplace 3D components Actionable insights Centralized UI components Easy integration Free componentsBoth tools — Pros
—Only in ILLA Cloud — Pros
Low-code environment User-friendly interface Customer support Fast iteration Integration options Open source Retool alternative Cloud hosting services Drag-and-drop interface Enterprise applications Permission management Feature flag management Pre-built components Public app publishing Real-time collaborationOnly in 21st.dev — Cons
—Both tools — Cons
—Only in ILLA Cloud — Cons
—Details
| 21st.dev | ILLA Cloud | |
|---|---|---|
| Categories | Website builders, No-code Platforms | Website builders, No-code Platforms, Content Management Systems, Data visualization tools, AI Infrastructure Tools |
| Platforms | Web | Web |
| Added | January 7, 2025 | September 16, 2022 |
| Website | 21st.dev | illacloud.com |
Who Should Pick Which?
Choose 21st.dev if...
- UI component marketplace
- 3D components
- Actionable insights
Choose ILLA Cloud if...
- Low-code environment
- User-friendly interface
- Customer support
With a FactScore™ of 42.3 vs 52.1, ILLA Cloud leads in community reception. 21st.dev uniquely offers UI component marketplace and 3D components, while ILLA Cloud stands out for Low-code environment and User-friendly interface.
What Users Say
21st.dev
Looks like a practical tool for speeding up UI development, especially when working with AI-driven apps. It’s helpful to have ready-to-use components instead of building everything from scratch. Ar...
This definitely simplifies the workflow for frontend developers. Having a centralized space for high-quality UI components saves a lot of time compared to searching for scattered solutions. Curious...
This feels like a great way to cut down on repetitive design work. I wonder how it handles versioning when components get updated.
ILLA Cloud
Congratulations on the successful launch! This is by far the finest open-source alternative to Retool that I've encountered. The user interface design is superb, making navigation a breeze – even f...
Congratulations on launching ILLA Cloud 2.0, Owen! Your low-code platform is an excellent solution for businesses and individuals who want to create enterprise applications without the need for com...
I am impressed with the features offered by this low-code platform for enterprise apps. keep shipping!
Related Comparisons
Frequently Asked Questions
Which is better, 21st.dev or ILLA Cloud?
Based on FactScore™, ILLA Cloud leads with a score of 52.1 vs 42.3. ILLA Cloud has a higher rating of 5.0★ compared to 5.0★.
What are the pros of 21st.dev compared to ILLA Cloud?
21st.dev uniquely offers: UI component marketplace, 3D components, Actionable insights, Centralized UI components, Easy integration.
What are the pros of ILLA Cloud compared to 21st.dev?
ILLA Cloud uniquely offers: Low-code environment, User-friendly interface, Customer support, Fast iteration, Integration options.
Is 21st.dev better rated than ILLA Cloud?
21st.dev is rated 5.0★ from 6 reviews. ILLA Cloud is rated 5.0★ from 10 reviews.
What is the FactScore™ of 21st.dev and ILLA Cloud?
FactScore™ weighs rating and review volume together. 21st.dev scores 42.3 and ILLA Cloud scores 52.1.
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