Katalyz vs Retrofit
Katalyz vs Retrofit, compared side by side on 11 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: Katalyz is on 12/100 and Retrofit on 62/100.
Where each one leads
Katalyz
- agent readiness: 51/100 against 44/100
Retrofit
- our overall score: 62/100 against 12/100
- domain rating: 13/100 against 1/100
At a glance
| Measure | Katalyz | Retrofit |
|---|---|---|
| What it is | Deploys autonomous AI agents to chase, negotiate, and collect unpaid invoices with zero effort. | Retrofit is a secondhand marketplace using AI agents to curate and personalize trending vintage inventory based on social media and sales data. |
| Category | Agentic AI, AI Agent, Agentic Commerce, Agentic Payments | Agentic AI, AI Agent, E-commerce, Marketplace |
| Sells toBusiness model | B2B | B2C |
| Offering | Software | Marketplace |
| Founded | Not published | 2012 |
| Headquarters | Not published | New York, United States |
| Status | Active | Active |
Size, funding and growth
| Measure | Katalyz | Retrofit |
|---|---|---|
| Employees | Not published | 2 |
| Headcount growthLast 12 months | Not published | -91.5% |
| Total funding | Not published | $31.2M |
| LinkedIn followers | Not published | 983 |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | Katalyz | Retrofit |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 12/100 | 62/100 |
| Traction | Not published | 57/100 |
| Team | Not published | 60/100 |
| Community | Not published | 8/100 |
| Search visibility | 13/100 | 34/100 |
| Quality | Not published | 68/100 |
| Agent readinessHow well an AI agent can read and act on the site | D (51/100) | D (44/100) |
| Domain ratingLink authority, 0-100 | 1/100 | 13/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | Katalyz | Retrofit |
|---|---|---|
| Hosting | Hetzner | Vercel |
| CDN | Not detected | Vercel |
| Frameworks | Next.js, Tailwind CSS, Bootstrap | Next.js |
| Analytics | Not detected | Google Analytics 4, Google Tag Manager, Facebook Pixel |
Product and pricing
| Measure | Katalyz | Retrofit |
|---|---|---|
| Key features | Not published | Personalized Vintage Finds, AI-Powered Curation, Effortless Shopping, Inventory Quality Control, Automated Listing & Presentation, User Intent Capture |
Katalyz vs Retrofit: common questions
Which is better, Katalyz or Retrofit?
On our 0-100 score Retrofit rates higher (62/100 against 12/100). 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 11 data points above: read the rows that match what you are buying for.
How do Katalyz and Retrofit compare on the numbers?
Katalyz leads on agent readiness (51/100 against 44/100). Retrofit leads on our overall score (62/100 against 12/100), domain rating (13/100 against 1/100).
Read the full Katalyz review and pricing or the Retrofit review and pricing. You can also browse other Katalyz alternatives we track.