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Superhuman vs Zimbra Collaboration comparison

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Comparison Buyer's Guide

Executive SummaryUpdated on May 21, 2025

Review summaries and opinions

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:
 

Categories and Ranking

Superhuman
Ranking in Email Applications
15th
Average Rating
9.0
Reviews Sentiment
7.9
Number of Reviews
2
Ranking in other categories
No ranking in other categories
Zimbra Collaboration
Ranking in Email Applications
9th
Average Rating
8.0
Reviews Sentiment
7.3
Number of Reviews
28
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of November 2026, in the Email Applications category, the mindshare of Superhuman is 2.5%, up from 1.0% compared to the previous year. The mindshare of Zimbra Collaboration is 6.0%, down from 7.9% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Email Applications Mindshare Distribution
ProductMindshare (%)
Zimbra Collaboration6.0%
Superhuman2.5%
Other91.5%
Email Applications
 

Featured Reviews

Siddharth Mallya - PeerSpot reviewer
Strategic Alliances and Business Development at Onnivation
Email triage solution that actions and handles emails based on preferences
Superhuman could be improved by being made available across a broader range of devices including Android and Windows PCs. Superhuman is also a phone app, which is available only on DiOS right now. Because it's not available on Android, you have to use Gmail for your phone, and use Superhuman for your desktop. The search feature could be improved. Currently, Gmail search is a lot more robust because you can filter results based on your requirements. Superhuman does not offer this way of searching which can make emails difficult to find.
Muhammad Talha Baig - PeerSpot reviewer
Business Analyst and Associate Project Manager at SAMI Pharmaceuticals
One of the premium features was customized rooms tailored to the collaboration needs
Zimbra's strength lies in its individuality, and it should focus on leveraging its unique features rather than trying to emulate competitors. My organization has certified Zimbra technicians, so we believe we can utilize Zimbra certification. However, I was recently informed by Zimbra that no such certification exists. I have recently completed the test kit, and after the training, I will gain access to tickets. Therefore, if any clients are experiencing issues, we have a certified technical team available to provide support 24/7. This is how we can cater to our client's needs. I recommend Zimbra to small-scale and enterprise customers. Anyone, even those with 5 users, can opt for Zimbra. Overall, I rate the solution a nine out of ten.

Quotes from Members

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:
 

Pros

"It is a productivity-driven email software that is fast, increases your productivity, and cuts down the time you spend compared to traditional email software."
"The best feature about Superhuman is the fact that you don't have to manually go through your emails, as this solution segregates your email according to your preferences and how you want to categorize emails."
"It is fast, and it increases your productivity."
"The configuration is simple."
"Zimbra Collaboration's best feature is its compatibility with Microsoft's ActiveSync protocol, which allows users to use Outlook on Windows or MacOS."
"The web interface is powerful and easy to use."
"The most valuable feature of Zimbra Collaboration is email functionality."
"This is a good email solution and it's open-source which is great and the most important feature for us."
"The backup and storage management features of Zimbra Collaboration are valuable."
"The Zimbra Collaboration's most valuable feature is web access."
"A lot of other products like Microsoft Exchange offer email or collaboration features, but they are not as fast as Zimbra."
 

Cons

"It can have a few more integrations. As far as I know, it is being integrated with Salesforce."
"Superhuman could be improved by being made available across a broader range of devices including Android and Windows PCs."
"We have had an issue with security."
"Zimbra Collaboration's video conferencing could be improved."
"It does have a few bugs. However, they are small and can be worked around."
"The solution’s forums don't have much information or documentation on administration tasks."
"Zimbra Collaboration does not have a solution roadmap as aggressive as the new collaboration mail solutions. Additionally, they can have a better interface and integration with single sign-on."
"They should enhance its online meeting features."
"There can be difficulties resolving problems on the server side when problems arise."
"Zimbra must improve its solution to make it easy so that the users don't have to use webmail to connect to their accounts and log in to webmail every time. This is something that is lacking in Zimbra Collaboration. They should provide a better way to easily connect email applications on the desktop to the Zimbra server. They should also try to have more functionality for storage management, like Microsoft Exchange. Currently, the management of the email data must be done manually in Zimbra Collaboration, which we are finding very difficult. They should provide a way to save emails so that you can have more space on the server and storage. Because of the lack of this functionality, we are planning to migrate to Microsoft Exchange. Microsoft Exchange provides a better way to manage storage than Zimbra Collaboration. You cannot have a mail solution without storage management because emails will always increase. Zimbra Collaboration also needs tools for management. More back-office tools are required to manage the whole mailbox and space. You don't only manage emails but also the documents attached to the emails. Therefore, you require tools to select and decide what do you want to save or how do you want to free up space in your infrastructure."
 

Pricing and Cost Advice

"It is fairly expensive. They have monthly and yearly licensing options."
"I use Zimbra Collaboration's community version. We may move to the enterprise version since prices are affordable."
"On a scale of one to ten, where one is cheap, and ten is expensive, I rate the price a four"
"Zimbra Collaboration is less expensive than Microsoft Exchange. Zimbra works for small companies because it is not expensive. Zimbra Collaboration has more security tools than Microsoft Exchange. If you are choosing between Zimbra Collaboration and Microsoft Exchange, you have to take into account the cost of security tools with Microsoft Exchange. When you purchase Microsoft Exchange, you will also have to purchase tools for security, which adds to the cost. The migration from Zimbra Collaboration to another email solution is very simple and easy. Migration from Microsoft Exchange to another email solution is very difficult. Microsoft doesn't allow migration that easily. In fact, you have to pay for tools to do that. You have to buy some expensive tools to migrate."
"The solution is not expensive compared to other products."
"We are using perpetual licenses. We have deployed it in our local data center, and we buy perpetual licenses on a per-user basis."
"We do not pay for licenses to use this solution."
"When it comes to the licensing of Zimbra Collaboration, my license covers the servers and I find its terms to be much simpler than those of Microsoft Exchange."
"Zimbra Collaboration is expensive, and there is no perpetual license option."
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Top Industries

By visitors reading reviews
No data available
Outsourcing Company
11%
Manufacturing Company
9%
Financial Services Firm
9%
Construction Company
7%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
No data available
By reviewers
Company SizeCount
Small Business19
Midsize Enterprise3
Large Enterprise7
 

Questions from the Community

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How does Zimbra Collaboration compare with Microsoft Exchange?
Zimbra is a free, open source collaborative software suite. The features I like best are the ease of integration and the email, calendar, and collaboration server with web interface. In addition, I...
 

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NEC Biglobe, City of Ventura, Monterey Bay Aquarium Research Institute, Hola Publishing, BIG, Sleepwell, LaFayette College, Xmission, DNA, Ring Line, Future Group, TIGC
Find out what your peers are saying about Superhuman vs. Zimbra Collaboration and other solutions. Updated: November 2026.
920,769 professionals have used our research since 2012.