2.44K reviews
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About this app

Requires Mattermost Server v6.3.0+. Older servers may not be able to connect or have unexpected behavior.


Mattermost is an open source platform for secure collaboration across the entire software development lifecycle.

- Keep all of your team communications in one place.
- Orchestrate work across your tools and teams.
- Plan projects and hit milestones.
- Unite your entire technology stack through a single point of collaboration.
- Meet the strictest security, privacy, and compliance requirements.

To use this app, you need a URL for a Mattermost server.


Deploy your own server:

Terms of Service:

Contribute to the project:
Updated on
Jun 14, 2022

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.
No data shared with third parties
Learn more about how developers declare sharing
This app may collect these data types
Personal info
Data is encrypted in transit
Data can’t be deleted
2.44K reviews
January 6, 2022
lt works great, but l think l might have found a security vulnerability you guys might want to address. So, l turned off battery optimization for this app to make sure l get notifications. It was giving me notification for over a month, and it was always in background running. l decided to click and open the app today when l got a message notification, then it logged me out. Apparently, the timeout feature needs this app to be in foreground to work. This might be a problem you want to look into
10 people found this review helpful
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January 7, 2022
Hi, thank you for the feedback, please contact us via our Responsible Disclosure Policy
Alex Mirchuk
December 9, 2021
Rarely gives notifications, conversations don't update reliably so if i send a message on my phone it won't appear on a computer. file transfer is very limited and absolutely no video sharing capability. I've had other issues but I can't even remember them all. Lately its started just logging me out and ejecting me from the server, so now I'm definitely not getting any messages, so that's been fun. (The name is also super cumbersome but that's neither here nor there. )
5 people found this review helpful
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December 9, 2021
Hi, could you please share details on the issue with us on so that we can get in touch with you and resolve the issue?
Mike Pereboom
March 8, 2021
When it works, it's great. But the bugs are app breaking. The app will randomly cause sign in issues, where you are required to sign in every time you open the app. Even if it's cached. It stays signed in on the server side, and can receive push notifications to your phone. It leaves me with such a bad taste that I don't even want to use the app. It started Jan 2021, and randomly comes and goes. Happens to my coworkers too so I know it's not me.
6 people found this review helpful
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March 9, 2021
Frequent logouts from the app have been experienced on the latest Android OS. Some ways to recover include logging out from the app and then uninstalling and installing the app, as well as restarting the device.

What's new

Requires Mattermost server v6.3.0+ to avoid incompatibilities and crashes. Requires Android 7.0 or higher.

- Added Calls Cloud Freemium limits.
- Added a handler for a new ``call_end`` event.
- Added support for a new ``MaxCallParticipants`` config setting.