Comparison

Zimbra Email & Collaboration vs Optiwork

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Zimbra Email & Collaboration

This comprehensive productivity suite integrates email with essential business tools like video conferencing, file sharing, chat, and calendar. It offers flexible deployment options, either as a hosted cloud service or on-premises software, ensuring data sovereignty and customizability for businesses of all sizes.

Highlights
  • Integrated email and business apps
  • Video conferencing
  • File sharing and cloud storage
  • Team chat
  • Calendar management
  • Hosted cloud or on-premises options
Features
Read full description

Zimbra is Email + Every App Your Business Needs to Succeed: Collaboration, Video Conferencing, File Sharing, Cloud Storage, Chat and Calendar. Want no-fuss email and apps with the best value? Zimbra’s productivity suite offers the lowest cost in its class, available as hosted/cloud service or on-premises for 100% data sovereignty. Zimbra is custom made and ideal for Businesses/Enterprises of all sizes, Government Agencies, Education and Highly Regulated Industries. Do you want someone else to host and manage your email? Zimbra’s hosted cloud solution provides: Subscription service, automatic upgrades, zero downtime, custom branding. No IT Headaches! Do you want to host and manage your own data for security and privacy? Zimbra’s on-premises licensed software provides: Data sovereignty, custom branding, custom integrations. The mobile app supports Zimbra Collaboration Server (ZCS) version 9.0.0 and above. Your WFH remote workers can collaborate with team members anywhere, anytime and now on any device with the same user experience. Launch your favorite apps from the tool you use most: Email. Fully integrated with Slack, Zoom, Dropbox, Webex, Google Drive, OneDrive + More Writing an email and want to ... send a Slack message? start a video meeting? send a calendar invite? You can do it right from email. No other email matches Zimbra, trusted by hundreds of millions of users worldwide for over 15 years. Free Trial, no obligation, no credit card needed. Try it today. Visit - https://info.zimbra.com/zimbra-cloud-email-trial

About

Optiwork

This integrated platform streamlines corporate collaboration with chat, drive, email, office tools, video calls, and scheduling. It helps teams work together efficiently and securely, simplifying daily routines for global teams.

Highlights
  • Integrated chat
  • Cloud drive storage
  • Email management
  • Office suite tools
  • Video conferencing
  • Scheduling and agenda
Features
Read full description

Software para organização e armazenamento. Desenvolvido 100% pela Optidata, equipes de todo o mundo agora podem trabalhar juntas e simplificar sua rotina usando essa poderosa ferramenta de colaboração corporativa. A combinação perfeita de chat, drive, e-mail, office, videocall e agenda em uma única plataforma integrada. Mantenha equipes produtivas e no controle, sem comprometer a segurança da empresa.

Screenshots

Zimbra Email & Collaboration4 screens
Optiwork4 screens

Verdict

The call

The clearest difference is review sentiment: Optiwork at 100% against Zimbra Email & Collaboration's 7%. Optiwork also leads on rating (5.0 vs 2.5) and update cadence (every 2 weeks vs every 17 months). Zimbra Email & Collaboration's advantage is ratings volume (24 vs 1). On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Optiwork holds the better App Store score, 5.0 against 2.5. That said, the two scores are not equally well evidenced: Zimbra Email & Collaboration has 24 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 7% of Zimbra Email & Collaboration's written reviews are positive against 100% of Optiwork's.

UpkeepUpdate frequency

Zimbra Email & Collaboration ships an update every 17 months, Optiwork every 2 weeks. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

Scorecard5 real differences · 5 level
Zimbra Email & Collaboration versus Optiwork: the parameters behind the verdict, then further details
ParameterZimbra Email & CollaborationOptiwork
PriceFreeFree
Rating2.5 (24 ratings)5.0 (1 ratings) — better
Positive reviews7.4% of reviews100.0% of reviews — better
Number of ratings24 — better1
Update frequencyEvery 17 monthsEvery 2 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreemiumFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS14.0 — better15.1
Further details — not scored
Size2 MB53 MB
Age rating4+4+
DeveloperSynacorOptidata Ltda

Customer experience

Zimbra Email & Collaboration

All ratings21 ratings
Positive33.3%
Neutral4.8%
Negative61.9%
Written reviews81 reviews
Positive7.4%
Neutral9.9%
Negative82.7%

Optiwork

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews3 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Zimbra Email & Collaboration

No in-app purchases

None

Optiwork

No in-app purchases

Questions

Is Zimbra Email & Collaboration free?
Zimbra Email & Collaboration is free to download, with no in-app purchases.
Is Optiwork free?
Optiwork is free to download, with no in-app purchases.
Which has better reviews, Zimbra Email & Collaboration or Optiwork?
Optiwork is rated higher. Zimbra Email & Collaboration averages 2.5 out of 5 from 24 ratings, while Optiwork averages 5.0 from 1 ratings.
Do Zimbra Email & Collaboration or Optiwork have ads?
Neither Zimbra Email & Collaboration nor Optiwork shows ads.
Which is updated more often, Zimbra Email & Collaboration or Optiwork?
Zimbra Email & Collaboration ships an update every 17 months, and Optiwork every 2 weeks. Most recently, Zimbra Email & Collaboration was updated on October 25, 2026 and Optiwork on October 24, 2026.

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