Mattermost AlternativesOnly apps categorised as Encrypted Chat Apps for Android

There are many alternatives to Mattermost for Android if you are looking for a replacement. The best Android Encrypted Chat App alternative is Element. It's not free, so if you're looking for a free alternative, you could try Element or Discord. If that doesn't suit you, our users have ranked more than 100 alternatives to Mattermost and many of them are Encrypted Chat Apps available for Android so hopefully you can find a suitable replacement. Other interesting Android Encrypted Chat App alternatives to Mattermost are Stoat Chat, Zulip, Rocket.Chat and Element X.

filter to find the best alternatives

Mattermost alternatives are mainly Encrypted Chat Apps, but if you're looking for Group Chat Apps or Instant Messengers you can filter on that. Other popular filters include Self-Hosted. You can also filter by region, for example EU-based alternatives if you prefer software developed in the European Union. These are just examples - use the filter bar below to find more specific alternatives to Mattermost.
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Alternatives list

  1. Element icon

    Element

     786 likes

    Provides secure collaboration with end-to-end encryption, supporting chat, voice, and video calls. Available on all major platforms, it enables digital sovereignty with a decentralized design and interoperability through bridges to systems like Slack and Teams. Includes enterprise-grade SaaS.

    313 Element alternatives

    Cost / License

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Self-Hosted
    • Matrix.org
    • Flathub
    • F-Droid
    • Cloudron
    • Snapcraft
    Video calls for desktop and mobile
     
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    1
    Element vs Mattermost Comments
    nrg200
    Positive
    3

    Federated, bridged with many IRC networks.

    • Element is Free Personal and Open SourceMattermost is Paid and Proprietary
    • Element is Privacy focusedMattermost is not according to our users
  2. Discord icon

    Discord

     1112 likes

    An integrated platform for text and voice communications. Offers tailored channels for different topics, customizable moderation tools, low latency for fluency, and managed user roles for optimal community facilitation.

    188 Discord alternatives

    Cost / License

    • Freemium
    • Proprietary

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Snapcraft
    • Epic Games Store
    • Flathub
    • Electron
    • Playstation
    • Xbox
    Phone UI
     
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    1
    Discord vs Mattermost Comments
    Luis Lobo
    Negative
    6

    Discord has focuses on games, not productivity for business

    • Discord is Freemium and ProprietaryMattermost is Paid and Proprietary
  4. Matrix icon

    Matrix

     390 likes

    Open standard protocol enabling decentralized, encrypted instant messaging, VoIP signaling, IoT device connectivity, and persistent data management across federated servers without central control or single points of failure, bridging communication platforms.

    171 Matrix alternatives

    Cost / License

    • Free
    • Open Source

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Self-Hosted
    • WebRTC
    • Python
    • JavaScript
    • Go (Programming Language)
    • Cloudron
    • Java
    • Perl
    Main Page
     
  5. Stoat Chat icon

    Stoat Chat

     117 likes

    Instant messaging platform supporting text and voice channels, live video calls, secure screen sharing, private group chats, customizable permissions, moderation tools, bot integration, privacy-focused design, open-source development, and cross-platform use.

    55 Stoat Chat alternatives

    Cost / License

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • Android Tablet
    • Rust
    • Flathub
    • F-Droid
    User settings page, on "Appearance" tab
     
  6. Zulip icon

    Zulip

     267 likes

    Threaded group conversations combine live and asynchronous messaging, separating topics for organized collaboration, supporting open-source, cloud, and self-hosted deployments, secure communication with encryption, and multi-platform access for diverse teams.

    228 Zulip alternatives

    Cost / License

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Android Tablet
    • BSD
    • iPad
    • Self-Hosted
    • F-Droid
    Zulip screenshot 1
     
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    6
    Zulip vs Mattermost Comments
    Top Positive Comment
    hritcu
    1

    Zulip does threaded conversations right, requiring every message to be in a thread and threads to be named. Like Mattermost, Zulip is also open source and can be self-hosted, but they also provide hosting, and for open source projects and research groups this hosting is free.

    Top Negative Comment
    KazimirPodolski
    0

    Zulip is plagued with bugs, incompletenesses and annoyances, creating a ton of friction in everyday work. It doesn't matter how open you are when it's so much harder to work with than competitors.

    strifel
    Positive
    0

    Also opensource and has the topics feature

    3 of 6 comments
    • Zulip is Free Personal and Open SourceMattermost is Paid and Proprietary
    • Zulip is Privacy focusedMattermost is not according to our users
  7. Rocket.Chat icon

    Rocket.Chat

     159 likes

    Open-source chat server supporting real-time group, direct, and private messaging, video calls, file sharing, helpdesk chat, API integrations, desktop notifications, emojis, LDAP authentication, cross-platform apps, and customizable extensions for teams.

    145 Rocket.Chat alternatives

    Cost / License

    • Freemium
    • Open Source (MIT)

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • iPhone
    • iPad
    • Self-Hosted
    • Cloudron
    Rocket.Chat screenshot 1
     
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    1
    Rocket.Chat vs Mattermost Comments
    ruvenssrgw
    Positive
    0

    Is a team collaboration at its core, and also has the alternative of enterprise support.

    • Rocket.Chat is Freemium and Open SourceMattermost is Paid and Proprietary
  10. Rakuten Viber icon

    Rakuten Viber

     335 likes

    Offers secure messaging with end-to-end encryption, unlimited free calls, group chats for up to 250 members, rich media sharing, emoji reactions, AR lenses, self-destruct messages, affordable international calls, community channels, and robust privacy across devices.

    165 Rakuten Viber alternatives

    Cost / License

    • Freemium
    • Proprietary

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • iPhone
    • Android Tablet
    • HUAWEI AppGallery
    • iPad
    • Android Wear
    • Samsung Galaxy Store
    Rakuten Viber screenshot 1
     
  11. Quiet Chat icon

    Quiet Chat

     19 likes

    Peer-to-peer group chatting over Tor and IPFS, with local-first encrypted messaging and no central servers, offers privacy-focused decentralized collaboration for teams, supporting desktop and mobile. FOSS, open to contributors, and avoids surveillance-based tracking.

    60 Quiet Chat alternatives

    Cost / License

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • iPhone
    • Android Tablet
    • iPad
    Quiet Chat screenshot 1
     
  13. MyChat icon

    MyChat

     2 likes

    MyChat is an instant messenger that works in LAN and over the Internet. Reliable in slow connections. Do not require too many system resources. The program has its own server where a user control everything happening in the chat.

    Cost / License

    • Freemium
    • Proprietary

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • iPhone
    • Self-Hosted
    MyChat on iOS
     
  14. Engage Spaces icon

    Engage Spaces

     1 like

    A Custom CRM for Nonprofits with a Full Suite of Apps. We solve the biggest problems nonprofits face in a modern and user-friendly CRM.

    Cost / License

    • Paid
    • Proprietary

    Application types

    Platforms

    • Online
    • Android
    • iPhone
    • iPad
    Engage Spaces provides each team leader with their own team administration functions. Allow each team leader to manage their teams': roles, permissions, private notes, roster sizes, attendance, registration opportunities and more.
     
12 of 20 Mattermost alternatives