Mattermost is made and published by Mattermost, Inc. AppBrain is an independent app data site and isn't affiliated with Mattermost, Inc. The app name, icon, screenshots and description belong to Mattermost, Inc. and are shown as published on the App Store.
AppBrain's verdict
EstablishedLoved by users- Rating on App Store
- 4.76
- 5,715 ratings
- Last updated
- October 27, 2026
Users love it: 4.8 stars from 5,715 ratings.
Rankings
App Store top chartsApp Store Rankings for Mattermost
Competitors
Similar apps and more from Mattermost, Inc.Alternatives to Mattermost
Also available on Google Play
Releases
Updates seen on the App Store- Version
- 2.45.1
- Launched
- July 2017
No changelog data
User feedback
Ratings and reviews on the App StoreComments on Mattermost for iOS
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Technology
Found in the app by AppBrain- Price
- Free
- App size
- 94.4 MB
- Content rating
- Everyone
Technologies used by Mattermost
About the app and developer
About Mattermost
Mattermost is a business app developed by Mattermost, Inc.
User Ratings
Mattermost is rated 4.76 out of 5 stars. The rating is based on 5.7 thousand ratings.
App Information
Mattermost is freely available from the App Store. The app size is 94.41 MB. The latest version available is 2.45.1. The last update was on October 27, 2026.
Technical Requirements
The app has a content rating of Everyone. The app has been available on the App Store since July 2017.
Developer information for Mattermost, Inc.
Address:
Frequently asked questions about Mattermost
Is Mattermost free?
Yes. Mattermost is free on the App Store.
Is Mattermost still available?
Yes. Mattermost is on the App Store, and the last update we saw was on October 27, 2026.
How large is Mattermost?
Mattermost is 94.41 MB.
Is Mattermost suitable for children?
App Store rates the content of Mattermost as suitable for everyone.
How do people rate Mattermost?
Mattermost scores 4.76 out of 5 stars, from 5,715 ratings on the App Store.
Who made Mattermost?
Mattermost was developed by Mattermost, Inc. It is listed in the business category on the App Store.
What are the best alternatives to Mattermost?
People looking at Mattermost also look at these business apps: BlackBerry Connectivity, CitiManager – Corporate Cards, First Alert by Dataminr, Rocket.Chat, Element Classic.
Store listing
By Mattermost, Inc., from the App StoreDescription by Mattermost, Inc. Written by the developer, not by AppBrain. Click to read.
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Mattermost is the leading collaborative workflow platform for defense, intelligence, security, and critical infrastructure. The platform runs on-premises and in private clouds, delivering secure messaging, file sharing, workflow automation, audio/screenshare, and project management—all with full data and operational control.
- Securely share messages, files, and links across from your preferred mobile devices.
- Start 1:1 and group voice calls with a single click without leaving Mattermost.
- Keep critical workflows moving forward with Playbook.
- Get the message out without having to manage every endpoint with Enterprise Mobility Management (AppConfig) support.
- Private mobility with ID-only push notifications to keep sensitive data protected while keeping stakeholders informed.
To use this app, you need a URL for a Mattermost server.
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Deploy your own server: https://docs.mattermost.com/guides/deployment.html
Terms of Service: https://mattermost.com/terms-of-service/
Contribute to the project: https://github.com/mattermost/mattermost-mobile