Modeled MRR band
$1K–$5K
Estimated from public signals · recorded monthly since Sep 2026 · exact values locked
21st
21st.dev · Startup List
12,000+ hand-crafted React and Tailwind CSS components, templates, and shadcn themes by real design engineers. Preview live, install with one command — for you and your AI agent.
Pricing preview availableObserved Aug 23active
Datyo records 21st as a Startup List SaaS. The current public snapshot includes a public pricing example, selected recorded technology signals, 1m–5m estimated monthly traffic, and a captured ad preview.
Visit 21st.dev
Captured Sep 3This public page previews selected signals for 21st.
Estimated monthly visits
1M–5M
Observed Sep 3 · broad preview
Traffic trend
Growing
Direction only · exact change locked
Ad activity
Ads detected
One captured creative in this preview
Technology & positioning
Selected recorded signals are shown here. The full stack and similarity filters stay inside Datyo.
Public pricing preview
Selected planBuilder + AI
$15/monthCaptured creatives
Ad preview
Your AI site doesn't have to look AI
Aug 19active
Observed search terms
Selected returned terms are shown without exact demand volumes.
21st dev21dev
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This public page is a preview. Unlock exact catalog values, full traffic and MRR history, complete pricing and creative sets, searchable filters and Watchlist monitoring.
Free includes 3 complete profiles.
Datyo public profile · last observed Sep 3
Traffic and modeled revenue are estimates. A verified revenue label applies only to that revenue signal.
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