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Slack Reviews & Insights

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10,011 Reviews and Ratings

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Community Insights for Slack

Synthesised from 115 verified reviews.


Synthesised from 115 reviews | Last Published May 27, 2026


Slack functions as a central communication hub, widely adopted for streamlining both internal and external communication across organizations, particularly benefiting remote and distributed teams. In TrustRadius reviews, 33% of users commend its robust integration capabilities with a wide array of third-party applications, enabling seamless workflows and enhanced collaboration. Reviewers frequently highlight its channel-based organization for structured discussions and real-time messaging as core strengths.

The platform consistently delivers positive ROI by accelerating communication and fostering better collaboration, leading to significant time savings and overall productivity gains. However, some reviewers note challenges with managing excessive channels, which can contribute to noise, and occasional implementation issues. Overall, reviewers report a largely positive impact on business objectives, despite minor hurdles in user adoption and channel management.


  • Seamless integration with third-party applications
  • Real-time messaging and prompt information sharing
  • User-friendly interface and ease of use
  • Channel-based organization for structured discussions
  • Efficient file sharing within discussions
  • Potential for noise from excessive or poorly managed channels
  • Challenges with user adoption and channel management
  • Occasional implementation issues
What other products like Slack have you used or evaluated?

From 115 reviews | Last Published May 27, 2026

Reviewers frequently identify Microsoft Teams as a primary alternative to Slack, cited by 27% of the sample. Other notable alternatives include Google Chat and Discord, each mentioned by 13% of reviewers. The evaluations span a range of communication and collaboration platforms, often reflecting broader ecosystem preferences, such as Microsoft 365 or Google Workspace integrations. Beyond direct competitors, reviewers also consider tools like WhatsApp Business, mentioned by 6% of the sample, and Zoom Workplace, cited by 3% of reviewers, indicating a diverse landscape of communication solutions. The variety of platforms suggests that organizations often leverage multiple tools to meet specific communication and collaboration needs, from enterprise-wide solutions to more informal or task-specific applications. Many of these alternatives are evaluated in conjunction with other productivity tools, highlighting a trend towards integrated suites.

Microsoft Teams

Microsoft Teams and Zoom Workplace

Google Chat

Google Chat and Discord

Discord

Google Chat and Discord

What positive or negative impact (i.e. Return on Investment or ROI) has Slack had on your overall business objectives?

From 115 reviews | Last Published May 27, 2026

Reviews indicate that Slack has largely delivered a positive return on investment by significantly enhancing communication and collaboration, which in turn drives efficiency and saves time. A substantial 37% of reviewers reported improvements in communication speed, noting faster project completion, quicker incident resolution, and accelerated decision-making. This rapid information flow is often cited as a key factor in reducing delays and improving responsiveness. Furthermore, 21% of reviewers highlighted the platform's role in fostering better collaboration, both internally and with external partners, which has been particularly beneficial for remote and cross-functional teams. These improvements collectively contribute to tangible time savings, mentioned by 14% of the reviews, by reducing reliance on lengthy emails and frequent meetings. Overall productivity gains were also noted by 11% of reviewers, stemming from streamlined workflows and reduced context switching. While the overwhelming sentiment is positive, a small minority of reviewers, around 3%, mentioned challenges related to noise from excessive channels or implementation issues, suggesting that user adoption and channel management can sometimes present minor hurdles.

Improved Communication Speed

Projects are getting completed more quickly. In some cases we can ship completed code 2 weeks faster than expected.

Time Savings

Saved hours of interaction

Streamlined Communication

It smooths out conversations between the 2 or more parties.

Besides Slack, what other software do you regularly use? How likely would you be to recommend it to a friend or colleague?

From 116 reviews | Last Published May 18, 2026

Reviewers frequently use a diverse range of software alongside Slack, with Microsoft Teams emerging as the most commonly mentioned alternative communication and collaboration platform, cited by 28% of reviewers. Project management tools like Atlassian Jira also feature prominently, indicating a strong need for structured task and workflow management, with 13% of respondents mentioning it. The increasing integration of artificial intelligence into daily workflows is evident, with ChatGPT mentioned by 11% of respondents. Furthermore, business-specific applications such as HubSpot CRM are frequently utilized for customer relationship management, and cloud storage solutions like Google Drive remain essential for document management and sharing, both cited by 9% of reviewers. The widespread adoption of these tools highlights a complex ecosystem of software supporting various business functions, often working in conjunction with each other to meet diverse operational needs.

Microsoft Teams

Microsoft Teams, Microsoft Teams Rooms

Atlassian Jira

Rippling, BookingTerminal, Atlassian Jira

ChatGPT

Anthropic Claude, ChatGPT, Datadog

Describe how you use Slack in your organization. What are the business problems the product addresses and what is the scope of your use case?

From 115 reviews | Last Published May 27, 2026

Slack primarily serves as a central communication hub for organizations, a use case highlighted by 83% of reviewers. It is widely adopted for facilitating both internal and external communication, addressing the need for streamlined and efficient information exchange. Reviewers frequently report that Slack transforms team communication, enabling effective interaction among staff, particularly for remote and distributed teams. Beyond internal discussions, 15% of reviewers describe using Slack for external communication, engaging with clients, vendors, and partners. The platform's channel-based organization is also a significant benefit, cited by 15% of users, allowing for structured discussions and project management. Furthermore, Slack's robust integration capabilities, noted by 10% of reviewers, enable seamless workflows by connecting with other essential business tools, enhancing overall collaboration and project tracking. This comprehensive functionality positions Slack as a critical tool for daily operations, improving responsiveness and organizational efficiency.

Internal Communication

We use Slack for the majority of our asynchronous work-related communication.

Internal Team Communication

We use Slack for regular team member communication and task management.

External Communication

We are also using Slack for external vendor communication.

Please provide some detailed examples of areas where Slack has room for improvement.

From 118 reviews | Last Published April 29, 2026

Reviewers frequently identify several areas where Slack could be improved, primarily concerning core communication and organizational features. The most prominent concern, cited by 18% of reviewers, is the search functionality, which many find challenging and clunky when attempting to locate past messages or files. Notification management also emerges as a significant pain point, with 12% of users reporting issues ranging from overwhelming alerts to difficulties customizing preferences. While a related topic, "Notifications," shows a mixed sentiment, indicating that some aspects are appreciated while others are problematic. Furthermore, the usability of threads is a negative point for 7% of reviewers, who describe them as confusing and hard to navigate. Finally, integrations present a mixed picture, with 6% of reviewers noting both a desire for deeper capabilities and difficulties in implementation. These areas suggest opportunities for Slack to enhance user experience in information retrieval, alert control, conversation organization, and external tool connectivity.

Search Functionality

Search experience is limited

Notification Management

Alerts can get cumbersome

Notifications

I don't like push notification feature of the product.

Please provide some detailed examples of things that Slack does particularly well.

From 115 reviews | Last Published May 27, 2026

Reviewers frequently highlight Slack's robust capabilities in facilitating team communication and collaboration, particularly its extensive integration ecosystem. A significant proportion of reviewers, 33%, commend its ability to seamlessly connect with a wide array of third-party applications and tools, streamlining workflows and centralizing notifications. This is closely followed by appreciation for its core communication features, cited by 30% of users, which enable real-time messaging and prompt information sharing among team members. Furthermore, Slack is recognized for its user-friendly interface and overall ease of use, a point raised by 23% of the reviews, which contributes to a smooth onboarding experience and efficient navigation. The platform's channel organization capabilities, noted by 21% of reviewers, are also highly valued for structuring conversations by project or topic, reducing clutter and enhancing clarity. Finally, its file sharing functionalities are appreciated by 14% of users, allowing for easy exchange of documents and other media within discussions. These strengths collectively position Slack as an effective tool for organized and efficient team interaction.

Integrations

integrations

Channel organization

Channel/new chat segmentation, ease of creating diverse groups

Communication Features

Slack is great for direct, person-to-person text chats

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