This unified communications app enables seamless voice calls, video meetings, instant messaging, and file sharing across devices. It's designed for new customers to manage all their business interactions in one place.
3.1(7 ratings)
Free
Best apps like Rainbow Office
15+ similar apps compared and reviewed
4.0 avg rating
10 free apps
Updated July 2026
Whether you want more options like Rainbow Office or a completely different take on the same concept, our curated list of 15+ similar apps has you covered. Updated for 2026 with the latest ratings and comparisons.
Top Alternatives to Rainbow Office
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Logitude Mobile
by CHAMP Forwarding Systems S.A.
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Connect with freight forwarders to track your shipments in real-time. View shipment details, partner information, and receive alerts for exceptional events. Visualize your logistics data at a glance.
Connect to freight forwardersView open shipmentsShipment status updates
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RIDA - Dealer
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This app provides dealers with mobile access to their established account for managing inventory, customer relations, and scheduling. It allows for efficient handling of demos, inventory transfers, and lead generation directly from a mobile device.
Manage demosAccept and transfer inventorySet office availability
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BT Cloud Work
Download the BT Cloud Work app
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Manage your business phone system from your smartphone. Handle calls, voicemails, faxes, messages, and video meetings on the go. Maintain your business caller ID and collaborate with colleagues seamlessly.
Business caller IDVoIP callsVisual voicemail
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Unify Office
Message. Video. Phone.
Free
This all-in-one business communication app offers team messaging, video conferencing, and HD phone calls. It allows for seamless collaboration with file sharing, task management, and screen sharing. Users can also send faxes directly from their mobile devices.
Team messaging with file sharingReal-time video meetings with screen sharingHD voice calls with business caller ID
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Unify Phone
by Mitel Networks Corporation
Free
This app unifies workplace communication by integrating existing voice platforms with cloud-based client technology. It offers seamless hybrid working, advanced mobility, and powerful PBX features across all devices. Enhance productivity and streamline interactions with a single business number and bi-directional presence synchronization.
Seamless hybrid workingCloud-based client integrationSingle business number
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Experience Mobile
by Verint Systems Ltd.
Free
This business app offers tools for managing customer cases and gaining insights into their journey. It allows users to investigate cases, contact customers, and view survey responses to quickly resolve issues.
Customer journey insightsCase investigation and managementDirect customer contact tools
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High Yield AG MyFarm
Irrigation Management
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