Aircall vs Microsoft Teams vs Polymail vs RingCentral

Aircall+

Starting price

$30/month

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Microsoft Teams+

Starting price

$4/month

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Polymail+

Starting price

$10/seat/month

ViewVisit site ↗

RingCentral+

Starting price

$30/month

ViewVisit site ↗

Attribute	Aircall	Microsoft Teams	Polymail	RingCentral
Category	Communication	Communication	Communication	Communication
Pricing	Paid	Free tier	Paid	Paid
Starting price	$30/month	✓ $4/month	$10/seat/month	$30/month
Free tier	No	✓ Yes	No	No
Free trial	✓ Yes	✓ Yes	✓ Yes	✓ Yes
Deployment	—	Cloud	—	Cloud
API available	Unknown	✓ Yes	Unknown	Unknown
Platforms	—	—	ios, macos	ios, android, windows, macos
Certifications	—	—	—	—
Integrations	✓ 3	—	—	—
Company	Founded 2004	Founded 2016	—	Founded 2003
Feature attributes
Sso Saml	— Unknown	— Unknown	— Unknown	— Unknown
Rbac	— Unknown	— Unknown	— Unknown	— Unknown
Mobile App	— Unknown	— Unknown	— Unknown	— Unknown
Webhooks	— Unknown	— Unknown	— Unknown	— Unknown
Data Export	— Unknown	— Unknown	— Unknown	— Unknown
Video Conferencing	— Unknown	— Unknown	— Unknown	— Unknown
Team Messaging	— Unknown	— Unknown	— Unknown	— Unknown
Max Participants	— Unknown	— Unknown	— Unknown	— Unknown
Screen Sharing	— Unknown	— Unknown	— Unknown	— Unknown
Guest Access	— Unknown	— Unknown	— Unknown	— Unknown

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