Head to head · 4 tools

Bookingbird.io vs Calendly vs Fastmail vs Microsoft 365

Starting price

$9.9/month

Starting price

$10/month

Starting price

$3/month

Starting price

$6/month

Attribute	Bookingbird.io	Calendly	Fastmail	Microsoft 365
Category	Events, Scheduling & Booking	Events, Scheduling & Booking	Email & Messaging Marketing	Productivity & Collaboration
Pricing	Free tier	Free tier	Paid	Paid
Starting price	$9.9/month	$10/month	$3/month	$6/month
Free tier	Yes	Yes	No	Unknown
Free trial	No	Yes	Yes	Yes (30d)
Deployment	—	Cloud	—	Cloud
API available	Unknown	Yes	Unknown	Yes
Platforms	—	ios, android	—	—
Certifications	—	4	—	—
Integrations	—	5	—	—
Company	—	Founded 2013	Founded 1999	—
Feature attributes
Sso Saml	— Unknown	✓ Yes	— Unknown	— Unknown
Rbac	— Unknown	— Unknown	— Unknown	— Unknown
Mobile App	— Unknown	Ios And Android	— Unknown	— Unknown
Webhooks	— Unknown	✓ Yes	— Unknown	— Unknown
Data Export	— Unknown	— Unknown	— Unknown	— Unknown
Calendar Integrations	— Unknown	✓ Yes	— Unknown	— Unknown
Group Scheduling	— Unknown	✓ Yes	— Unknown	— Unknown
Payment Collection	— Unknown	✓ Yes	— Unknown	— Unknown
Routing Forms	— Unknown	✓ Yes	— 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.