IceWarp vs Zimbra Collaboration
IceWarp
icewarp.com
Zimbra Collaboration
zimbra.comSide by side
| Figure | IceWarp | Zimbra Collaboration |
|---|---|---|
| Price from | $1.35/mo | — |
| Free plan | — | — |
| Free trial | Yes | Yes |
| Open source | — | — |
| Web | Yes | Yes |
| Windows | Yes | Yes |
| macOS | Yes | Yes |
| Linux | — | Yes |
| iOS | Yes | Yes |
| Android | Yes | Yes |
| API | Yes | — |
| Self-hosted | Yes | Yes |
| Plans published | 3 | 2 |
| Spec score · Mail Server Software | 8.3 (#5) | 7.3 (#29) |
| Integrations | The product page describes Outlook Sync for syncing email, calendar, tasks, and notes with Outlook; the cloud API provides access to calendars, files, notes, contacts, tasks, and emails. | Zimbra's third-party apps page names Slack, Zoom, Dropbox, Webex, Jitsi, and Microsoft Teams. |
| Product | IceWarp is an all-in-one collaboration platform combining email, messaging, video conferencing, file sharing, and real-time document collaboration in one interface. | Zimbra is an enterprise email and collaboration suite with email, calendar, contacts, tasks, and file sharing. |
| Security | The pricing page lists antivirus and antispam with Core, while the site footer displays ISO 9001, ISO 27001, ISO 27017, ISO 27018, ISO 29119-1, SOC 2, and HIPAA compliance badges. | Listed security capabilities include two-factor authentication, S/MIME email signing and encryption, SAML single sign-on, and mobile device allow/block/quarantine controls. |
| Support | The pricing page lists 24/7 support for cloud customers and offers Cloud Plus support with a 24/7 hotline and stated response targets. | Standard support is business-hours only; Premier adds 24×7 support for Severity-1 issues. |
| Trial | The pricing page offers a 30-day trial with full feature access and says users can cancel during the trial before being charged. | Zimbra's 2025 Business Service Provider Program Guide describes a 60-day trial license for administrators and a web-client trial for end users. |
Plans
Zimbra Collaboration
- ProfessionalPriced on request
- StandardPriced on request
In their own words
Zimbra Collaboration
Zimbra Collaboration has no write-up on Specifiction yet; its figures are above.