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Head-to-head

Cal.com vs HelloBox

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
HelloBox logo
HelloBox

Omnichannel website contact widget for WhatsApp, Messenger, Telegram and more

From $15/mo
Visit HelloBox

At a glance

 Cal.comHelloBox
TaglineOpen-source scheduling software for bookings and meetingsOmnichannel website contact widget for WhatsApp, Messenger, Telegram and more
Pricing modelFreemiumFreemium
Starts at$12/mo$15/mo
Founded——
AI-native
CategoriesLead Gen & ABM, Forms & Surveys, AutomationLead Gen & ABM, SMS & Push, Customer Support
Vendor claimed

Quick take

Pick Cal.com if you need open-source scheduling software for bookings and meetings. Pick HelloBox if you need omnichannel website contact widget for whatsapp, messenger, telegram and more.

Browse more

Cal.com alternatives →

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HelloBox alternatives →

Frequently asked

Is Cal.com better than HelloBox?
It depends on your use case. Cal.com is open-source scheduling software for bookings and meetings, while HelloBox is omnichannel website contact widget for whatsapp, messenger, telegram and more. See the comparison above for which fits your team.
What's the price difference between Cal.com and HelloBox?
Cal.com starts at $12/mo. HelloBox starts at $15/mo.
Can I migrate from Cal.com to HelloBox?
Most tools in this category support data import via CSV. For complex migrations, both vendors offer onboarding assistance on higher-tier plans.