# Mattermost

> Secure collaborative workflow platform for defense, intelligence, and critical infrastructure. (iPhone/iPad app by Mattermost, Inc..)

- Source: https://appshunter.io/ios/app/mattermost/id1257222717 (this page in markdown: same URL + `.md`)
- Developer: [Mattermost, Inc.](https://appshunter.io/developer/654282837)
- Category: Business
- Price: Free
- Rating: 4.80/5 from 5,642 App Store ratings · 497 written reviews indexed
- Age rating: 4+
- Requires: iOS 16.0 · 93 MB
- Languages: American English, Arabic, Bulgarian, Dutch, French (France), German (Germany), Hungarian, Italian, Japanese, Korean and 11 more
- Released: 2017-07-10
- Data updated: 2026-08-26
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/mattermost/id1257222717/reviews.md

## What is Mattermost?

Requires Mattermost Server v11.7.0+. Older servers may not be able to connect or have unexpected behavior.

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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.

-------

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

## Key features

- Secure messaging, file, and link sharing
- 1:1 and group voice calls
- Workflow automation with Playbook
- Enterprise Mobility Management support
- Private mobility with ID-only push notifications

## What do users think of Mattermost?

Overall sentiment: neutral

**Pros**

- 🚀 Fast and responsive
- 🔒 Secure self-hosted solution
- 👍 Great Slack alternative
- 💡 Customizable and extensible
- 🧲 Integrates well with other tools

**Cons**

- 🐛 Buggy and unstable
- 🔑 Frustrating login/authentication issues
- 🔔 Inconsistent or missing notifications
- 🖼️ Trouble with image/file uploads
- 🕰️ Slow performance and lag

**Commonly reported bugs**

- Crashes on startup
- Unread message indicators not working
- Keyboard issues on iPad/desktop
- Compatibility problems with iOS 17+
- Randomly logs users out

**Most requested features**

- Add voice messaging capability
- Improve multi-server support
- Integrate end-to-end encryption
- Introduce iPad-optimized layout
- Provide more customization options

## Recent user reviews (10 of 497)

All indexed reviews: https://appshunter.io/ios/app/mattermost/id1257222717/reviews.md

### 1/5 — iOS app appears to barely be on life support

*2026-07-24, version 2.42.2*

This app worked great on my ipad with a physical keyboard cover for years.  The past few months though more and more UI and input bugs have crept in with every release and now it's just a hair away from being completely unusable.  Devs seem to be ignoring these bug reports too.  From the commit logs it looks like they only care about Android now. I can't recommend this app for iOS

### 1/5 — Update broke threads

*2026-07-18, version 2.42.1*

Latest update broke threads. Now unusable on iOS

### 1/5 — Не работают треды (обсуждения)

*2026-07-18*

После обновления до последней версии перестали работать треды. Показывает пустой экран.

### 4/5 — Auto Dark Mode

*2026-07-16*

Pls add auto switching Light/Dark Mode following the iOS

### 1/5 — Barely functioning

*2026-07-14, version 2.41.3*

Newest gift is a completely blank screen. Cannot access messages or anything.

### 3/5 — PaylabIDとの連携ログインは不可？

*2026-07-06*

こちらのアプリからPaylabIDの連携を利用してログインしたいのだが、webブラウザのログイン画面では存在する選択肢がこちらには無くてどのようにログインすれば良いかわからない。

**Developer response:** Thank you, appreciate your feedback. Would you like to contribute this in the feature idea forum https://mattermost.uservoice.com/forums/306457-general/?

### 3/5 — Фото профиля

*2026-06-22*

Фото в моем профиле именно в приложение стало отображается с артефактами, хотя в веб-версии всё в порядке с фото, фото установлено в профиле было давно

**Developer response:** Hi there, thank you for the feedback!

### 1/5 — Худшее приложения для коммуникации на работу

*2026-06-17, version 2.41.0*

Постоянно лагает- не могу написать пост или сообщение, неудобный интерфейс 
Уведомления приходят отовсюду 
Нету возможности автоматической подсказки названия команд - нужно запоминать и писать полностью

### 1/5 — Плохое качество работы приложения

*2026-06-08*

Ужасно работает приложение, еле загружается фото, часто ошибку выдает и вылетаешь из приложения

### 2/5 — Bugs

*2026-06-02*

I can’t set a custom status

## Frequently asked questions about Mattermost

### What does Mattermost do?

Mattermost is a collaborative workflow platform designed for secure messaging, file sharing, workflow automation, and project management. It runs on-premises and in private clouds, offering full data and operational control.

### What are the key features of Mattermost?

Key features include secure sharing of messages, files, and links; 1:1 and group voice calls; workflow automation with Playbook; and Enterprise Mobility Management support for secure data handling.

### How much does Mattermost cost?

The provided information indicates the app is free to use. However, it requires a URL for a Mattermost server, which may have associated deployment and operational costs depending on your chosen hosting solution.

### What are the system requirements for Mattermost?

To use this app, you need a URL for a Mattermost server. The app itself requires Mattermost Server v10.11.0+; older server versions may lead to connection issues or unexpected behavior.

### Who is the target audience for Mattermost?

This platform is specifically designed for organizations in defense, intelligence, security, and critical infrastructure sectors that require a highly secure and controlled environment for team communication and workflow management.

## Version history (last 5 releases)

### 2.43.1 — 2026-08-24

Devices with iOS 16.0+ are required. Server version v11.7.0 or later is required.

 - Fixed an issue with switching audio output on the Phone call interface and made sure that audio routing follows the user expectations.

### 2.43.0 — 2026-08-13

Devices with iOS 16.0+ are required. Server version v11.7.0 or later is required.

 - Added classification markings for global and per-channel banners. Requires server v11.9.0+.
 - Added support for Mattermost Blocks as a new way to create interactive messages.
 - Added timezone support and manual time entry for Interactive Dialog datetime fields. Plugins can now display times in specific timezones and allow text input for exact times.
 - Wipe notifications sent by the server are now processed.
 - Applied Zero Persistence Mode server setting for Mobile Ephemeral Mode.
 - Fixed an issue where the app did not automatically recover from database corruption errors.
 - Fixed a critical timezone preservation bug.

### 2.42.3 — 2026-08-06

Devices with iOS 16.0+ are required. Server version v10.11.0 or later is required.

 - Fixed potential causes of rendering a channel empty.
 - Fixed an issue where Enter did not work on channels.

### 2.42.2 — 2026-07-19

Devices with iOS 16.0+ are required. Server version v10.11.0 or later is required.

- Fixed an issue where threads appeared blank when opened, along with related display issues on the code viewer, About, and timezone screens.

### 2.42.1 — 2026-07-17

Devices with iOS 16.0+ are required. Server version v10.11.0 or later is required.

- Fixed an issue when logging in with numeric only IDs.

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## More apps by Mattermost, Inc.

- [Mattermost Classic](https://appshunter.io/ios/app/mattermost-classic/id984966508)

All apps by Mattermost, Inc.: https://appshunter.io/developer/654282837

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-26.*