Zimbra Collaboration vs Rainbow Comparison
Zimbra Collaboration
Starting at Contact for pricing
- Free Trial
- Large Enterprises
- Medium Business
Zimbra Collaboration software offers a feature-rich and scalable solution to drive communication and collaboration across organizations—without compromising on usability. Resilient, highly available, and with an architec…
Rainbow
Starting at Contact for pricing
- Large Enterprises
- Medium Business
Rainbow is an efficient, secure, and affordable solution for workplace communication and collaboration. Simple to set-up and use, it's a complete package that consists of the Rainbow conference phone, Worklist app for sm…
Rainbow leads on user satisfaction with a 4.0-star rating across 19 reviews.
Zimbra Collaboration vs Rainbow — at a glance
| Feature | Zimbra Collaboration | Rainbow |
|---|---|---|
| Rating | 3.6 / 5 | 4.0 / 5 |
| Reviews | 131 | 19 |
| Starting price | Contact for pricing | Contact for pricing |
| Free trial | Yes | No |
| Free version | No | No |
| Best for | Large Enterprises, Medium Business, Small Business | Large Enterprises, Medium Business, Small Business |
| Category | Collaboration Software | Collaboration Software |
| Platforms | SaaS/Web/Cloud, Installed - Windows | SaaS/Web/Cloud, Mobile - Android, Mobile - iOS, Installed - Windows, Installed - Mac |
| API | — | Available |
| Support modes | Online | Online |
| Certifications | SOC 2 | — |
| Data residency | Global | Global |
Key differences between Zimbra Collaboration and Rainbow
- Free trial: Zimbra Collaboration offers a free trial; Rainbow does not.
- User satisfaction: Rainbow scores higher with a 4.0-star average.
- Deployment: Zimbra Collaboration supports SaaS/Web/Cloud, Installed - Windows; Rainbow supports SaaS/Web/Cloud, Mobile - Android, Mobile - iOS, Installed - Windows, Installed - Mac.
Zimbra Collaboration vs Rainbow — find the better fit before you commit.
Which tool fits your team best
Which is actually cheaper for your team size
Where each product wins, per real buyers
Most Collaboration Software tools look identical on paper. This comparison cuts to the differences that matter — pricing structure, team fit, and what real buyers found after signing up.
Biggest differences
Features
Pricing
Buying details
Security
Buyer feedback
Integrations
Product tour
Other options
Talk to an expert Talk to an expert |
Biggest differences
Start here before you go deeper into features.
Large Enterprises, Medium Business, Small Business
Large Enterprises, Medium Business, Small Business
Zimbra Collaboration typically suits Large Enterprises and Medium Business. Rainbow tends to fit Large Enterprises and Medium Business better. The right choice depends on your team size, workflow, and whether a free trial matters.
Description | Zimbra Collaboration software offers a feature-rich and scalable solution to drive communication and collaboration across organizations—without compromising on usability. Resilient, highly ... Read More about Zimbra Collaboration | Rainbow is an efficient, secure, and affordable solution for workplace communication and collaboration. Simple to set-up and use, it's a complete package that consists of the Rainbow ... Read More about Rainbow |
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Free Trial Availability |
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Spotsaas ScoreWhat's this? ↗ | 7.9/10 | 7.9/10 |
User RatingsBased on verified Spotsaas reviews | ||
Get pricing help | Get pricing help |
Software Demo
Demo |
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How do Zimbra Collaboration and Rainbow Compare on Features?
Total Features | 6 Features | 4 Features |
|---|---|---|
Unique Features | No unique features | No unique features |
Get Quote | Get Quote |
Compare Zimbra Collaboration and Rainbow on pricing
Review starting price, plan structure, and free-trial access side by side so you can see which option fits your budget and buying process.
Pricing Option | ||
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Pricing Plans |
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Pricing Page |  | Pricing information not available |
Other Details
Organization Types supported |
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Platforms Supported |
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Modes of support |
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API Support |
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Get help choosing | Get help choosing |
Security & Compliance
Certifications, data handling, and security controls for IT and compliance evaluators.
SOC 2 | ✓ Yes | — |
|---|---|---|
HIPAA | ✗ No | ✗ No |
Data Residency | 🌐 Global | 🌐 Global |
Zimbra Collaboration User Reviews & Rating Comparison
User Ratings | ||
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Rating Distribution | ||
Spotsaas Editor’s POV generated by AI | Buyer sentiment Buyer sentiment is mixed to positive across 118 reviews, with clear strengths and a few common watchouts. What buyers like
Common complaints
| Buyer sentiment Buyer sentiment is positive across 17 reviews, with strong overall satisfaction. What buyers like
Common complaints
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Pros and Cons |
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Positive Reviews | No reviews available for the product | No reviews available for the product |
Media and Screenshots
Screenshots |  4 Screenshots |  1 Screenshots |
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Videos |  3 Videos |  2 Videos |
Top Alternatives to Zimbra Collaboration and Rainbow in 2026
Alternatives |
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Related Blogs and Articles for Collaboration Software
Disclaimer: This research has been collated from a variety of authoritative sources. We welcome your feedback at [email protected].
Frequently asked questions
- Which is better, Zimbra Collaboration or Rainbow?
- Rainbow edges out the other on user ratings (4.0 vs 3.6). That said, the best pick depends on your use case — use the comparison tables above to evaluate each dimension.
- Do Zimbra Collaboration and Rainbow offer a free trial?
- Zimbra Collaboration offers a free trial. Rainbow does not.
- What is the starting price of Zimbra Collaboration vs Rainbow?
- Zimbra Collaboration starts at Contact for pricing. Rainbow starts at Contact for pricing.
- What are the top alternatives to Zimbra Collaboration?
- Top alternatives to Zimbra Collaboration include Zoho Connect, Zoho Cliq, Airtable, ClickUp, Cisco Webex Teams.
- What are the top alternatives to Rainbow?
- Top alternatives to Rainbow include CollaborateCloud, Zoho Cliq, Workplace, Nextcloud, Cisco Webex Teams.