Cal.com vs Mailshake
Which one do AI engines recommend, and how do they differ on price, fit and features?
The short answer
Cal.com is the stronger AI pick in Sales Engagement: it has a visibility score of 6.8 versus 1.5 for Mailshake, and ranks ahead in 0% of the answers that name both.
Choose Cal.com if…
- You want the brand AI engines rank higher (6.8 vs 1.5)
- You need ISO 27001 or SOC 2 Type II or HIPAA or GDPR or CCPA coverage
Choose Mailshake if…
- discounts for annual billing
- clear published annual prices
AI visibility side by side
Latest weekly run · Nov 3
| Metric | Cal.com | Mailshake |
|---|---|---|
| Visibility score | 6.8% | 1.5% |
| Change vs last week | New | up+0.6% |
| Rank in Sales Engagement | #16 | #35 |
| Share of voice | 2.3% | 0.6% |
| Mentions this run | 17 | 4 |
| Positive in AI answers | — | 0% |
The stronger value in each row is marked with a ✓.
Visibility score trend
Weekly runs over the last 60 days
Cal.com +6.8pp · Mailshake +0.6pp over 1 weekly runs.
Engine by engine
Cal.com leads on 1 of 3 engines
Head to head in AI answers
2 engine answers name both brands
| Prompt | Engine | Cal.com | Mailshake |
|---|---|---|---|
| What are the best Sales Engagement tools in 2026? | Perplexity | #15 | #11 |
| Official website of the top sales engagement platform vendors | Perplexity | #17 | #11 |
Features, pricing & fit
| Dimension | Cal.com | Mailshake |
|---|---|---|
| Pricing model | Per seat | — |
| Entry price | Free; paid from $12 per seat / mo | — |
| Free plan | Yes | — |
| Deployment | Hosted cloud service, with a self-hosting option and US or EU data hosting on enterprise plans | — |
| Integrations | 100+ | — |
| Compliance | ISO 27001, SOC 2 Type II, HIPAA, GDPR, CCPA | — |
| Support | Help docs at cal.com/help, Email support@cal.com, Priority Slack and account support on Enterprise plan | Dedicated onboarding and campaign review sessions, Open office hours, Weekly live training, Get support |
| Founded | 2021 | 2015 |
| Headquarters | San Francisco, California, United States | Austin, Texas, United States |
| Employees | 11–50 | 11–50 |
| Funding | Early Stage VC · $32M raised | PE Growth (investor: Ramp Ventures) |
| Best for | Individuals, sales and success teams, healthcare providers and product teams that need booking pages or scheduling embedded in their own products | Sales leaders, sales reps, agencies and marketers running cold email outreach |
Plans side by side
Cal.com
Mailshake
Pricing not available.
Pros and cons
Themes from the AI answers that mention each brand
Cal.com
Profile in progress.
Mailshake
- discounts for annual billing
- clear published annual prices
Data collected ·ChatGPT, Perplexity, Google AI Mode·coverage 98.8%·next run
Cite as: SlateIndex, “Cal.com vs Mailshake”, https://slateindex.ai/compare/cal-com-vs-mailshake, data of Nov 3, 2026. Licence: CC BY 4.0.