Head to head · 4 tools

Calendly vs Fastmail vs Google Drive vs Microsoft 365

Starting price

$10/month

Starting price

$3/month

Starting price

$1.99/month

Starting price

$6/month

Attribute	Calendly	Fastmail	Google Drive	Microsoft 365
Category	Events, Scheduling & Booking	Email & Messaging Marketing	Cloud & Infrastructure	Productivity & Collaboration
Pricing	Free tier	Paid	Free tier	Paid
Starting price	$10/month	$3/month	$1.99/month	$6/month
Free tier	Yes	No	Yes	Unknown
Free trial	Yes	Yes	No	Yes (30d)
Deployment	Cloud	—	—	Cloud
API available	Yes	Unknown	Unknown	Yes
Platforms	ios, android	—	—	—
Certifications	4	—	—	—
Integrations	5	—	—	—
Company	Founded 2013	Founded 1999	Founded 2012	—
Feature attributes
Sso Saml	✓ Yes	— Unknown	— Unknown	— Unknown
Rbac	— Unknown	— Unknown	— Unknown	— Unknown
Mobile App	Ios And Android	— Unknown	— Unknown	— Unknown
Webhooks	✓ Yes	— Unknown	— Unknown	— Unknown
Data Export	— Unknown	— Unknown	— Unknown	— 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
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
Templates	— Unknown	— Unknown	— Unknown	— Unknown

Also consider

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