21st.dev

Create, remix and share UI components with AI

★★★★★ 5.0/5
FactScore™ 42.3
VS

Frontly

Build apps that fit your business perfectly - with no code

★★★★★ 5.0/5
FactScore™ 66.1

Updated February 2026

21st.dev Frontly
Rating 5.0★ 5.0★
Reviews 6 20
Pros 6 14
FactScore™ 42.3 66.1

FactScore™ Comparison

FactScore™ weighs both quality (rating) and popularity (reviews) for a fairer ranking than stars alone.

42.3
21st.dev FactScore™
👑
66.1
Frontly FactScore™
★ Frontly wins on FactScore™

Pros & Cons

Only in 21st.dev — Pros

UI component marketplace 3D components Actionable insights Centralized UI components Easy integration Free components

Both tools — Pros

Only in Frontly — Pros

Active development Excellent customer support Easy to use No-code solution Supportive community Frequent updates AI integration Google Sheets integration Customization features Supabase support Granular access controls Airtable support Reusable blocks Webhooks

Only in 21st.dev — Cons

Both tools — Cons

Only in Frontly — Cons

Learning curve Lack of GEO-tracking Lack of SEO

Details

21st.dev Frontly
Categories Website builders, No-code Platforms Interface design tools, Website builders, No-code Platforms, No-Code App Builder
Platforms Web Web
Became Popular January 7, 2025 May 28, 2024
Website 21st.dev frontly.ai

Who Should Pick Which?

Choose 21st.dev if...

  • UI component marketplace
  • 3D components
  • Actionable insights

Choose Frontly if...

  • Active development
  • Excellent customer support
  • Easy to use

With a FactScore™ of 42.3 vs 66.1, Frontly leads in community reception. 21st.dev uniquely offers UI component marketplace and 3D components, while Frontly stands out for Active development and Excellent customer support.

3

What Users Say

21st.dev

A
Artyom Jan 16, 2025
★★★★★

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...

S
Stepan Jan 15, 2025
★★★★★

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...

P
Pavel Jan 16, 2025
★★★★★

This feels like a great way to cut down on repetitive design work. I wonder how it handles versioning when components get updated.

Frontly

K
Kartik May 28, 2024
★★★★★

Frontly is an absolute game-changer for anyone looking to build powerful apps effortlessly. I use Frontly.ai to build personal apps and quick prototypes to test out ideas. The platform allows me to...

T
Tom-Greger May 28, 2024
★★★★★

I work in a small software development company. I have tested a ton of software over the years, but nothing really compares to Frontly. My company mostly uses developers in India for our projects, ...

S
Stef May 28, 2024
★★★★★

I’ve been using Frontly.ai for several months and am very impressed. The simplicity of creating no-code apps with AI integration is remarkable. The user-friendly interface allows effortless client ...

Frequently Asked Questions

Which is better, 21st.dev or Frontly?

Based on FactScore™, Frontly leads with a score of 66.1 vs 42.3. Frontly has a higher rating of 5.0★ compared to 5.0★.

What are the pros of 21st.dev compared to Frontly?

21st.dev uniquely offers: UI component marketplace, 3D components, Actionable insights, Centralized UI components, Easy integration.

What are the pros of Frontly compared to 21st.dev?

Frontly uniquely offers: Active development, Excellent customer support, Easy to use, No-code solution, Supportive community.

Is 21st.dev better rated than Frontly?

21st.dev is rated 5.0★ from 6 reviews. Frontly is rated 5.0★ from 20 reviews.

What is the FactScore™ of 21st.dev and Frontly?

FactScore™ weighs rating and review volume together. 21st.dev scores 42.3 and Frontly scores 66.1.

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