Cal.com vs ZoomInfo
Which one do AI engines recommend, and how do they differ on price, fit and features?
The short answer
ZoomInfo is the stronger AI pick in Sales Engagement: it has a visibility score of 11.2 versus 6.8 for Cal.com, and ranks ahead in 100% of the answers that name both.
Choose Cal.com if…
- You want a free plan to start
- You need HIPAA coverage
Choose ZoomInfo if…
- You want the brand AI engines rank higher (11.2 vs 6.8)
- You need more native integrations (120+ vs 100+)
- You need ISO 27701 or TRUSTe GDPR or TRUSTe CCPA coverage
- You prefer a larger, established vendor (1,001–5,000 employees)
AI visibility side by side
Latest weekly run · Nov 3
| Metric | Cal.com | ZoomInfo |
|---|---|---|
| Visibility score | 6.8% | 11.2% |
| Change vs last week | New | up+1.8% |
| Rank in Sales Engagement | #16 | #8 |
| Share of voice | 2.3% | 3.5% |
| Mentions this run | 17 | 20 |
| Positive in AI answers | — | 25% |
The stronger value in each row is marked with a ✓.
Visibility score trend
Weekly runs over the last 60 days
Cal.com +6.8pp · ZoomInfo +1.799999999999999pp over 1 weekly runs.
Engine by engine
ZoomInfo leads on 2 of 3 engines
Head to head in AI answers
2 engine answers name both brands
| Prompt | Engine | Cal.com | ZoomInfo |
|---|---|---|---|
| Compare the leading Sales Engagement platforms | Perplexity | #15 | #14 |
| Official website of the top sales engagement platform vendors | Perplexity | #17 | #5 |
Features, pricing & fit
| Dimension | Cal.com | ZoomInfo |
|---|---|---|
| Pricing model | Per seat | Per seat |
| Entry price | Free; paid from $12 per seat / mo | Contact sales |
| Free plan | Yes | No |
| Deployment | Hosted cloud service, with a self-hosting option and US or EU data hosting on enterprise plans | — |
| Integrations | 100+ | 120+ |
| Compliance | ISO 27001, SOC 2 Type II, HIPAA, GDPR, CCPA | GDPR, CCPA, ISO 27001, ISO 27701, SOC 2 Type II, TRUSTe GDPR, TRUSTe CCPA |
| Support | Help docs at cal.com/help, Email support@cal.com, Priority Slack and account support on Enterprise plan | Help Center, Phone: +1 866-904-9666, ZoomInfo University courses and certifications, Dedicated onboarding manager |
| Founded | 2021 | 2007 |
| Headquarters | San Francisco, California, United States | Vancouver, Washington, USA |
| Employees | 11–50 | 1,001–5,000 |
| Funding | Early Stage VC · $32M raised | IPO (Nasdaq: ZI) |
| Best for | Individuals, sales and success teams, healthcare providers and product teams that need booking pages or scheduling embedded in their own products | Sales, marketing, RevOps, customer success, and recruiting teams at B2B companies with 100+ employees |
Plans side by side
Cal.com
ZoomInfo
Pros and cons
Themes from the AI answers that mention each brand
Cal.com
Profile in progress.
ZoomInfo
- High-accuracy contact data and direct dials
- Intent data for outreach
- Recommended by analysts among leading sales tools
- Separate ZoomInfo data licence adds cost
Data collected ·ChatGPT, Perplexity, Google AI Mode·coverage 98.8%·next run
Cite as: SlateIndex, “Cal.com vs ZoomInfo”, https://slateindex.ai/compare/cal-com-vs-zoominfo, data of Nov 3, 2026. Licence: CC BY 4.0.