Zulip

3.6
674 reviews
Content rating
Everyone
100K+
Downloads
Content rating
Everyone
Users Interact
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About this app

Zulip (https://zulip.com/) helps teams of all sizes be more productive together, from a few friends hacking on a new idea, to globally distributed organizations with hundreds of people tackling the world's hardest problems.

Unlike other chat apps, Zulip lets you read and respond to every message in context, no matter when it was sent. Maintain your focus and then catch up on your own time, reading the topics you care about, and skimming or skipping the rest.

Like everything Zulip, this official Zulip mobile app is 100% open-source software: https://github.com/zulip/zulip-flutter . Thank you to the hundreds of contributors who have made Zulip what it is!

Zulip is available as a managed cloud service or a self-hosted solution.

Please send questions, comments, and bug reports to support@zulip.com.
Updated on
Apr 21, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
This app may share these data types with third parties
Location, Personal info and 6 others
This app may collect these data types
Location, Personal info and 6 others
Data is encrypted in transit
You can request that data be deleted

Ratings and reviews

3.6
664 reviews
Marc Micatka
August 18, 2025
Another "update" that breaks core functionality. Why? How? No search, read receipts not working, very slow message loading. No search! This is insane! I actually went to using zulip on my web app in desktop mode just to find a message. Edit - still bad after "updates". Can only search main threads, read receipts are very odd, messages aren't often marked as read. Can't easily reply to a channel, instead it defaults to "general chat". I could go on, overall a bad experience.
11 people found this review helpful
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Zulip
August 15, 2025
Hi Marc, We appreciate your feedback about what's important to have in our mobile app. Search and read receipts have both been added to the app now (along with a lot of other requested features)! Please grab the latest update from the Play store and let us know what you think. We also hope that messages are loading more quickly for you now!
Kimberly and Zachary White
July 20, 2021
First version never would display in English; the app always displayed in some foreign language so it was really difficult to navigate. Downloaded again for a new phone and always tells me "cannot connect to server" even though my connection is fine. Good desktop app but the phone app is just incredibly buggy in my experience. Will update if I ever get it to work.
6 people found this review helpful
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Zulip
July 20, 2021
Thanks for the report! If you'd like to contact us at support@zulip.com, we'd like to help debug the connection issue and get it working again.
Mitchell Mitchell
August 7, 2025
This mobile app is complete trash. You can't even do something as basic as tag a channel, unless you know the exact formatting the application uses and type it perfectly. The desktop app has auto complete for tagging channels. Also there is zero way to get back to the main menu without backtracking a million times. I have to tap the back button 20 times just to get to the main menu.
6 people found this review helpful
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What’s new

* Channel folders in the inbox.
* Tap an @-mention to visit user profile.
* Too many other improvements and fixes to describe them all here.
Content rating
Everyone
Users Interact
Learn more

App support

About the developer
Kandra Labs, Inc.
support@zulip.com
235 Berry St Apt 306 San Francisco, CA 94158 United States
+1 650-822-8284