Zulip is an open-source team chat app for workplaces, clubs and communities that want conversations organized by topic.1 It is worth considering when your group wants a shared discussion space and a deliberate choice about who hosts its data. Choose it for organized collaboration and hosting control, while thinking carefully about what belongs in a team archive.
Last checked October 28, 2026.
At a glance
- What it is: Team messaging with named conversations.
- Works on: Web browsers, Windows, macOS, Linux, iOS and Android.1
- Price: Free Cloud and self-hosted options; paid plans available.2
- Licence: Server code: Apache-2.0.5
- Best for: Groups juggling several discussions and people working at different times.
- Official site: zulip.com
What Zulip does and how it protects your privacy
Think of a channel as a room for a broad subject, such as a community garden. Give each conversation a specific name, such as “Saturday watering” or “New tools budget.” That is a useful way to keep an answer beside the question it addresses. Agreeing on clear topic names matters more than inventing a complicated filing system.
The main privacy choice is hosting: Zulip offers its managed Cloud service and software you can run on your own server.7 Self-hosting means operating the computer that holds your group’s chat service. Consider it when someone in the group can take responsibility for the service, rather than simply wanting another app to install.
Before choosing, ask who will look after access, updates and backups. A useful privacy goal might be “keep our volunteer discussions under our association’s control.” That is more actionable than expecting every conversation to be invisible to everyone involved in running it.
Zulip key features
- Search: Find earlier messages instead of asking everyone to repeat themselves.1
- File sharing: Put relevant attachments alongside the discussion.1
- Polls: Give a group decision a clear place to happen.1
- Reminders: Bring a message back to your attention later.1
- Notification controls: Choose which conversations deserve an interruption.1
Zulip pros and cons
Pros
- A strong fit for thoughtful discussion rather than constant attention.
- Named conversations encourage useful, specific questions.
- A practical choice for building a group habit of documenting decisions.
- Worth considering when hosting control is part of your privacy plan.
Cons
- Expect some practice if your group usually writes everything in one chat.
- Self-hosting needs an owner for maintenance; budget time as well as money.
- The free Cloud plan limits searchable history to 10,000 messages and file storage to 5 GB total.2
- Free self-hosted mobile notifications cover up to ten users for organizations outside eligible community categories.2
Is Zulip safe and private?
Zulip’s security page says connections between apps and the server use HTTPS encryption, and Cloud customer data is also encrypted when stored.3 HTTPS protects information while it travels. Encryption on a server’s storage is a separate protection; neither should be read as a promise that the server cannot access the conversation.
With server version 12.0 or later and an updated mobile app, push notification content is encrypted from the server to your phone.8 However, Zulip’s documentation explicitly says this protection does not defend against a malicious or compromised Zulip server.8 Treat the host as part of your trust decision.
For Cloud, the privacy policy describes US hosting and collection of IP addresses and web interaction information, while stating that personal data is not sold.4 These are service and analytics records, so do not assume using open-source software means no information is collected. For self-hosted servers using Zulip’s notification service, additional usage reporting is on by default but can be disabled; basic organization metadata still goes to the service.8
The Google Play listing identifies the app developer as Kandra Labs, Inc.7 Zulip’s release announcement dates server 12.3 to September 21, 2026, describes security fixes and recommends upgrading existing installations.6 Keep update responsibility explicit before relying on a self-hosted installation for important discussions.
How to get started with Zulip
- Start at the official download page: Use Zulip’s app links, including the official Google Play listing, rather than a download advert.
- Choose the host: Follow your group’s invitation if it already has Zulip; otherwise decide who will manage the new organization before creating it.
- Begin with a small group: Try a real, low-sensitivity discussion before moving a whole team’s work.
- Agree on topic names: Use a broad channel and specific conversation names. Try two separate questions and practise replying to the right one.
- Review access together: Ask the administrator who can join, what history newcomers should see and how long discussions should be kept.
- Make a maintenance plan: For self-hosting, assign responsibility for updates and recovery. Keep shared credentials in a suitable tool, such as Passbolt Community Edition, rather than posting them in chat.
Who should use Zulip, and who might prefer something else?
Zulip is a good candidate for associations, study groups and teams that value a readable discussion history. Try it if a fast-moving group chat leaves people asking what was decided. Start with one project and decide together whether the topic habit is helping.
If your main need is personal messaging, compare Dino before building a team workspace. If shared writing matters more than conversation, consider Etherpad. Choose around the job your group needs to do, then examine that tool’s privacy model.
Frequently asked questions about Zulip
Is Zulip free?
There are free options, but allow for hosting costs if you run a server. For paid Cloud use, Standard is US$6.67 per user per month billed annually, or US$8 billed monthly.2 Read the history and notification limits above before deciding which arrangement fits.
Is Zulip end-to-end encrypted?
Do not treat Zulip as a messenger that hides conversations from its server. The mobile notification protection described above has a narrower purpose. Choose your host with that distinction in mind, especially for sensitive discussions.
Does Zulip work on iPhone?
Yes: iPhone users can use the iOS app listed among the supported platforms above. Start from the official download page and have your group’s organization address ready. Ask your administrator for help if you are unsure which organization to join.
Should a small group self-host Zulip?
Consider it when the group has a clear reason to control hosting and someone willing to maintain it. Discuss what happens when that person is unavailable. If nobody wants that responsibility, start by evaluating the managed service and its privacy terms.
