cal.com vs Calendly
cal.com vs Calendly, compared side by side on 15 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: cal.com is on 41/100 and Calendly on 68/100.
Where each one leads
cal.com
Leads on none of the measures we hold for both companies.
Calendly
- our overall score: 68/100 against 41/100
At a glance
| Measure | cal.com | Calendly |
|---|---|---|
| What it is | Open-source scheduling infrastructure for individuals, businesses, and developers. | Automates meeting scheduling for individuals and teams, integrating with calendars and communication tools. |
| Category | Scheduling Software, Open Source, API Platform, Developer Tools | Productivity Software, Scheduling Software, Workflow Automation, Business Communication |
| Sells toBusiness model | B2B | B2B |
| Offering | Platform | Software |
| Founded | 2020 | 2013 |
| Headquarters | Berlin, Germany | Atlanta, United States |
| Status | Active | Active |
Size, funding and growth
| Measure | cal.com | Calendly |
|---|---|---|
| Employees | Not published | 532 |
| Headcount growthLast 12 months | Not published | -8.6% |
| Total funding | Not published | $351M |
| Latest round | Not published | Series B |
| Valuation | Not published | $3.0B |
| LinkedIn followers | Not published | 128,286 |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | cal.com | Calendly |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 41/100 | 68/100 |
| Traction | Not published | 60/100 |
| Team | Not published | 50/100 |
| Community | Not published | 8/100 |
| Search visibility | 10/100 | 51/100 |
| Quality | 68/100 | 78/100 |
| Agent readinessHow well an AI agent can read and act on the site | C (61/100) | D (55/100) |
| Domain ratingLink authority, 0-100 | 92/100 | 95/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | cal.com | Calendly |
|---|---|---|
| CDN | Cloudflare | Cloudflare |
| CMS | Framer | Not detected |
| Frameworks | Not detected | Astro, Tailwind CSS |
| Analytics | Not detected | Google Tag Manager |
| Open source | Yes | No |
| Self-hostable | Yes | No |
Product and pricing
| Measure | cal.com | Calendly |
|---|---|---|
| Current offer | 20% off for 12 months | Not published |
cal.com vs Calendly: common questions
Which is better, cal.com or Calendly?
On our 0-100 score Calendly rates higher (68/100 against 41/100). 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 15 data points above: read the rows that match what you are buying for.
How do cal.com and Calendly compare on the numbers?
Calendly leads on our overall score (68/100 against 41/100).
Read the full cal.com review and pricing or the Calendly review and pricing. You can also browse other cal.com alternatives we track.