21st.dev vs Platho
21st.dev vs Platho, compared side by side on 13 data points: what each one does, how big it is, what it has raised, the tech running each site, and what users report. We score both out of 100 on traction, team and visibility: 21st.dev is on 46/100 and Platho on 9/100.
Where each one leads
21st.dev
- our overall score: 46/100 against 9/100
- agent readiness: 51/100 against 41/100
Platho
Leads on none of the measures we hold for both companies.
At a glance
| Measure | 21st.dev | Platho |
|---|---|---|
| What it is | AI-powered design tools and workflows. | AI that rebuilds any frontend, without the AI look. Every moving element measured, verified before it ships. Private beta. |
| Category | AI, SaaS, Software Development, Frontend Development | AI Tool, Frontend Development, Generative AI, Developer Tools |
| Sells toBusiness model | B2B | B2B |
| Offering | Platform | Software |
| Founded | 2024 | Not published |
| Headquarters | San Francisco, United States | Not published |
| Status | Active | Active |
Size, funding and growth
| Measure | 21st.dev | Platho |
|---|---|---|
| Total funding | $500K | Not published |
| Latest round | Seed | Not published |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | 21st.dev | Platho |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 46/100 | 9/100 |
| Traction | 28/100 | Not published |
| Team | 60/100 | Not published |
| Community | 15/100 | 13/100 |
| Search visibility | 9/100 | 9/100 |
| Quality | 48/100 | Not published |
| Agent readinessHow well an AI agent can read and act on the site | D (51/100) | D (41/100) |
| Domain ratingLink authority, 0-100 | 68/100 | Not published |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | 21st.dev | Platho |
|---|---|---|
| Hosting | Vercel | Vercel |
| CDN | Vercel | Vercel |
| Frameworks | Next.js, Tailwind CSS | Bootstrap |
| Analytics | Google Analytics 4, Google Tag Manager, Facebook Pixel | Not detected |
| Open source | Yes | No |
What users say
| Measure | 21st.dev | Platho |
|---|---|---|
| Community ratingVisitor votes on StartupHub | Not published | 5.0/5 from 1 vote |
21st.dev vs Platho: common questions
Which is better, 21st.dev or Platho?
On our 0-100 score 21st.dev rates higher (46/100 against 9/100). The score weights traction, team, visibility and profile completeness, so it reflects company strength rather than which product suits you. We compare the two on 13 data points above: read the rows that match what you are buying for.
How do 21st.dev and Platho compare on the numbers?
21st.dev leads on our overall score (46/100 against 9/100), agent readiness (51/100 against 41/100).
Read the full 21st.dev review and pricing or the Platho review and pricing. You can also browse other 21st.dev alternatives we track.