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Head-to-head

Cal.com vs Contact Science

Two leading lead gen & abm tools, compared on pricing, features, and editorial fit. Updated for 2026.

Cal.com logo
Cal.com

Open-source scheduling software for bookings and meetings

From $12/mo
Visit Cal.com
Contact Science logo
Contact Science

Sales engagement, email marketing, and opportunity tracking in one platform

From $145/mo
Visit Contact Science

At a glance

 Cal.comContact Science
TaglineOpen-source scheduling software for bookings and meetingsSales engagement, email marketing, and opportunity tracking in one platform
Pricing modelFreemiumPaid
Starts at$12/mo$145/mo
Founded——
AI-native
CategoriesLead Gen & ABM, Forms & Surveys, AutomationLead Gen & ABM, Sales Engagement, Email Marketing
Vendor claimed

Quick take

Pick Cal.com if you need open-source scheduling software for bookings and meetings. Pick Contact Science if you need sales engagement, email marketing, and opportunity tracking in one platform.

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Cal.com alternatives →

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Frequently asked

Is Cal.com better than Contact Science?
It depends on your use case. Cal.com is open-source scheduling software for bookings and meetings, while Contact Science is sales engagement, email marketing, and opportunity tracking in one platform. See the comparison above for which fits your team.
What's the price difference between Cal.com and Contact Science?
Cal.com starts at $12/mo. Contact Science starts at $145/mo.
Can I migrate from Cal.com to Contact Science?
Most tools in this category support data import via CSV. For complex migrations, both vendors offer onboarding assistance on higher-tier plans.