# Zimbra Email & Collaboration vs Optiwork

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.

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

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.

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.

## The numbers

| Metric | Zimbra Email & Collaboration | Optiwork |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.5 (24 ratings)](https://appshunter.io/ios/app/zimbra-email-and-collaboration/id1554848550/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/optiwork/id6473428130/reviews)** |
| Number of ratings | **24** | 1 |
| Positive reviews | 7.4% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 17 months | **Every 2 weeks** |
| Monetization | Freemium | **Free** |
| Size | 2 MB | 53 MB |
| Requires iOS | **14.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Synacor](https://appshunter.io/developer/948735773) | [Optidata Ltda](https://appshunter.io/developer/1718914579) |

## What reviewers say

### Zimbra Email & Collaboration

[App page](https://appshunter.io/ios/app/zimbra-email-and-collaboration/id1554848550)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Optiwork

[App page](https://appshunter.io/ios/app/optiwork/id6473428130)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*