Slack 4.25.2

Slack 4.25.2

Slack Technologies  ❘ 64MB  ❘ Commercial
Android iOS Windows Mac
Rank 10 among competitors
Latest Version
4.50.143
Safe to install

Boost Your Team Collaboration with Slack!

David Fischer

Slack is a powerful team communication tool that enhances productivity and fosters collaboration.
2026 Editor's Rating

Slack Editors Review: Modern Team Communication and Collaboration Platform

Slack is a unified team communication platform designed to streamline work for remote, hybrid, and co-located teams. Combining persistent channels, direct messages, voice and video calling, lightweight Huddles, short video Clips, and deep app integrations, Slack centralizes conversations, files, and workflows into one searchable workspace accessible from the web, native desktop apps (Windows, macOS, Linux), and mobile apps on iOS and Android.

Core Features That Improve Team Productivity

  • Organized Channels: Create public and private channels for teams, projects, clients, or topics to keep discussions focused and discoverable.
  • Direct and Group Messages: One-to-one chats and group DMs with threaded replies preserve context and reduce clutter.
  • Huddles, Calls, and Screen Sharing: Start instant audio or video conversations, share screens for quick problem-solving, and use Huddles for informal, drop-in collaboration.
  • Clips for Asynchronous Updates: Record and share short video or audio Clips to communicate updates without needing synchronous meetings.
  • Workflow Builder and Automation: Build no-code workflows to automate routine tasks, collect forms, route approvals, and connect actions across apps.
  • Extensive App Ecosystem: Integrate with a vast catalog of third-party tools (Google Drive, Salesforce, Dropbox, Zoom and many more) and build custom apps via Slacks APIs and App Directory.
  • Powerful Search and Contextual File Sharing: Search messages, files, and channels with filters to quickly surface relevant conversations and attachments.
  • Custom Notifications and Focus Controls: Tailor notifications, set Do Not Disturb schedules, and mute channels to reduce interruptions during focused work.
  • Enterprise Security and Compliance: Support for single sign-on (SSO), encryption in transit and at rest, workspace administration, audit logs, data residency options, and enterprise-grade controls on paid tiers.

Plans, Scalability, and Enterprise Management

Slack offers tiered plans to suit solo users, small teams, growing businesses, and large enterprises. A free tier provides core messaging and limited history, while paid Standard/Pro and Business+ plans expand message history, app integrations, and administrative controls. Enterprise Grid supports multi-workspace organizations with centralized management, enhanced compliance, and dedicated support. Pricing and feature sets scale with organizational needs and governance requirements.

Performance, Platforms, and Accessibility

Slack delivers fast synchronization across devices with offline access to recent messages and reliable push notifications. The iOS and Android apps preserve threaded conversations, support Huddles and Clips, and mirror much of the desktop experience. The web client is full-featured for browser-based teams. Accessibility features, localization, and developer tooling help diverse teams collaborate effectively.

When Slack Excels and What to Plan For

  • Ideal For: Teams that need searchable, persistent communication, heavy third-party integrations, and quick ad-hoc collaboration across time zones.
  • Considerations: Without careful channel governance, large organizations can experience channel sprawl and notification overload. Advanced security, compliance, and enterprise controls are available on higher-tier plans, so evaluate requirements before scaling.

Getting Started, Support, and Resources

Set up a workspace at slack.com, invite teammates, and connect apps from the Slack App Directory to start collaborating. Slack maintains extensive help articles, guides, and support channels; paid plans include additional support options. For direct help and account support, visit slack.com/help/contact or the Slack Help Center.

Availability and How to Download

  1. iOS: Download Slack from the App Store to install on iPhone and iPad.
  2. Android: Get Slack from Google Play for Android phones and tablets.
  3. Desktop and Web: Access Slack through slack.com or download native apps for Windows, macOS, and Linux.

Overview

Slack is a Commercial software in the category Business developed by Slack Technologies.

The users of our client application UpdateStar have checked Slack for updates 220 times during the last month.

The latest version of Slack is 4.50.143, released on 06/23/2026. It was initially added to our database on 03/26/2015. The most prevalent version is 4.50.136, which is used by 71% of all installations.

Slack runs on the following operating systems: Android/iOS/Windows/Mac. The download file has a size of 64MB.

Slack has not been rated by our users yet.

Pros

  • Easy to use and user-friendly interface
  • Great for team collaboration and communication
  • Integration with other tools and apps
  • Customizable notifications and settings
  • Search functionality for finding messages and files easily

Cons

  • Can be overwhelming with too many channels and notifications
  • Paid plan required for advanced features such as unlimited message search
  • Lack of advanced project management capabilities compared to other tools

FAQ

What is Slack?

Slack is a messaging platform for teams that brings all communication together in one place, making it simpler and more efficient to manage conversations and workflows.

How does Slack work?

Slack works by creating channels for teams to communicate in. These channels can be focused on specific topics or projects, and allow team members to collaborate and share content in real-time. Users can also send direct messages and voicenotes to individuals or groups.

Is Slack free?

Slack offers both free and paid plans. The free plan includes many of the basic features, such as unlimited users and channels, but limitations on storage and app integrations.

What type of businesses typically use Slack?

Slack is used by a variety of businesses, from small startups to large enterprises. It is particularly popular among teams that work remotely or have multiple office locations.

Can I use Slack on my mobile device?

Yes, Slack has mobile apps for both iOS and Android devices, allowing users to stay connected with their teams while on the go.

What types of files can be shared on Slack?

Slack supports a variety of file types, including documents, images, videos, and audio files. Many popular file-sharing platforms can also be integrated into Slack.

Is Slack secure?

Slack takes security very seriously and offers a number of features to ensure the safety of user data, including two-factor authentication, data encryption, and enterprise-grade security controls.

What types of app integrations are available on Slack?

Slack has an extensive app directory with offerings from many popular software tools, including project management platforms, customer support software, and social media management tools.

Can I customize my notifications on Slack?

Yes, users can customize notifications to receive alerts only for specific channels or types of messages. Users can also set "do not disturb" hours to avoid being notified during certain times of day.

What languages is Slack available in?

Slack is available in multiple languages, including English, Spanish, French, German, and Japanese, among others.


David Fischer

David Fischer

I am a technology writer for UpdateStar, covering software, security, and privacy as well as research and innovation in information security. I worked as an editor for German computer magazines for more than a decade before joining the UpdateStar team. With over a decade of editorial experience in the tech industry, I bring a wealth of knowledge and expertise to my current role at UpdateStar. At UpdateStar, I focus on the critical areas of software, security, and privacy, ensuring our readers stay informed about the latest developments and best practices.

Latest Reviews by David Fischer

Screenshots (Click to view larger)

Installations

220 users of UpdateStar had Slack installed last month.

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