Calendly vs HubSpot vs Klaviyo vs Nimble

Calendly+

Starting price

$10/month

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HubSpot+

Starting price

$15/month

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Klaviyo+

Starting price

$20/month

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Nimble+

Starting price

$24.9/seat/month

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Attribute	Calendly	HubSpot	Klaviyo	Nimble
Category	Events, Scheduling & Booking	CRM & Customer Management	Email & Messaging Marketing	CRM & Customer Management
Pricing	Free tier	Free tier	Free tier	Paid
Starting price	✓ $10/month	$15/month	$20/month	$24.9/seat/month
Free tier	✓ Yes	✓ Yes	✓ Yes	No
Free trial	✓ Yes	✓ Yes (14d)	No	✓ Yes
Deployment	Cloud	—	—	Cloud
API available	✓ Yes	✓ Yes	✓ Yes	Unknown
Platforms	ios, android	ios, android	—	ios, android
Certifications	✓ 4	—	✓ 4	—
Integrations	5	✓ 23	2	3
Company	Founded 2013	Founded 2006	Founded 2012	—
Feature attributes
Sso Saml	✓ Yes	✓ Yes	✓ Yes	— Unknown
Rbac	— Unknown	✓ Yes	— Unknown	— Unknown
Mobile App	Ios And Android	Ios And Android	— Unknown	— Unknown
Webhooks	✓ Yes	✓ Yes	✓ Yes	— Unknown
Data Export	— Unknown	— Unknown	✓ Yes	— Unknown
Calendar Integrations	✓ Yes	— Unknown	— Unknown	— Unknown
Group Scheduling	✓ Yes	— Unknown	— Unknown	— Unknown
Payment Collection	✓ Yes	— Unknown	— Unknown	— Unknown
Routing Forms	✓ Yes	— Unknown	— Unknown	— Unknown
Self Hosting	— Unknown	— Unknown	— Unknown	— Unknown
Pipeline Management	— Unknown	✓ Yes	— Unknown	— Unknown
Marketing Automation	— Unknown	✓ Yes	— Unknown	— Unknown
Custom Objects	— Unknown	✓ Yes	— Unknown	— Unknown
Reporting Dashboards	— Unknown	✓ Yes	— Unknown	— Unknown
App Marketplace	— Unknown	✓ Yes	— Unknown	— Unknown
Email Automation	— Unknown	— Unknown	— Unknown	— Unknown
Sms Marketing	— Unknown	— Unknown	✓ Yes	— Unknown
Templates	— Unknown	— Unknown	✓ Yes	— Unknown
Segmentation	— Unknown	— Unknown	✓ Yes	— Unknown
Deliverability Tools	— Unknown	— Unknown	✓ Yes	— Unknown

Unknown values show as “Unknown”/“—”. Nothing is inferred — see each tool page for sources.