Head to head · 4 tools

Atomic Mail Agentic vs Attentive vs Klaviyo vs Microsoft 365

Starting price

$5/month

Starting price

—

Starting price

$20/month

Starting price

$6/month

Attribute	Atomic Mail Agentic	Attentive	Klaviyo	Microsoft 365
Category	Email & Messaging Marketing	Email & Messaging Marketing	Email & Messaging Marketing	Productivity & Collaboration
Pricing	Free tier	Paid	Free tier	Paid
Starting price	$5/month	—	$20/month	$6/month
Free tier	Yes	No	Yes	Unknown
Free trial	No	Yes	No	Yes (30d)
Deployment	Cloud	—	—	Cloud
API available	Unknown	Unknown	Yes	Yes
Platforms	—	—	—	—
Certifications	—	—	4	—
Integrations	—	—	2	—
Company	—	—	Founded 2012	—
Feature attributes
Sso Saml	— Unknown	— Unknown	✓ Yes	— Unknown
Rbac	— Unknown	— Unknown	— Unknown	— Unknown
Mobile App	— Unknown	— Unknown	— Unknown	— Unknown
Webhooks	— Unknown	— Unknown	✓ Yes	— Unknown
Data Export	— Unknown	— Unknown	✓ Yes	— 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
Docs Editor	— Unknown	— Unknown	— Unknown	— Unknown
Real Time Collaboration	— Unknown	— Unknown	— Unknown	— Unknown
Storage Included	— Unknown	— Unknown	— Unknown	— Unknown
Offline Access	— Unknown	— Unknown	— Unknown	— Unknown

Also consider

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