Rainbow is a cloud-based communication and collaboration platform for businesses. It provides persistent one-to-one and group chat, presence information, task management, voice and video calling, screen or app sharing, and file sharing. Telephony features on eligible plans include PBX control, phone presence, call logging, VoIP, caller identification, call forwarding and voicemail. Office integrations include calendar options for Microsoft 365 Exchange Online or Google, an Outlook plug-in, Chrome Click2Call and telephony for Microsoft Teams. Hybrid telephony supports OmniPCX Enterprise and OXO Connect, plus third-party CTI and Media Bridge integrations for Cisco, NEC, Mitel and Asterisk. Rainbow is available in more than 75 countries and 22 languages through web, desktop and mobile apps, among other platforms. Listed security capabilities include AES-256 encryption, region-based data residency and SAML or OIDC single sign-on. Essential is free; Business costs €2.00 per user per month and Enterprise €4.00 per user per month.
Who it is for
Rainbow is aimed at businesses from small companies to multinational organizations. Its cloud, on-premises and hybrid deployment options support different operating environments.
What is good
- Offers chat, presence, calls and file sharing
- Supports multiple hybrid telephony integrations
- Listed plans include encryption and single sign-on
- Business and Enterprise include 24/7 support
What to know first
- Essential has a 20-user bubble limit
- Business costs €2.00 per user per month
- Enterprise costs €4.00 per user per month
Verdict
Rainbow combines business messaging and collaboration with telephony options and hybrid integrations. Compare plan-specific features and support before choosing a subscription.
Rainbow plans and pricing
All plansCompared on unified communications software
- Free plan
- Yes
- Business calling
- Yes
- Team messaging
- Yes
- Video meetings
- Yes
- Call recording
- Yes
- Auto attendant
- Yes
- Meeting participant limit
- 2 participants
