Slack Customer Reviews 2025 | Business Instant Messaging

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Slack

Composite Score

9.0 /10

CX Score

9.2 /10

2620 Reviews Write a Review

Claim Software

What is Slack?

Slack creates alignment and shared understanding across your team, making you more productive, less stressed, and just a little bit happier. Slack brings all your team's communication together, giving everyone a shared workspace where conversations are organized and accessible.

Company Details

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Awards & Recognition

Slack won the following awards in the Business Instant Messaging - Enterprise category

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2025 Data Quadrant Champion

Latest Award, 2025

11 Top Rated Capabilities

8 Top Rated Features

Latest Award, 2025

2025 Emotional Footprint Champion

2025

Strategy and Innovation
Service Experience
Contract Negotiation

2025

2024 Data Quadrant Champion

2024

8 Top Rated Capabilities

7 Top Rated Features

2024

2024 Emotional Footprint Champion

2024

Service Experience

2024

2023 Data Quadrant Champion

2023

11 Top Rated Capabilities

8 Top Rated Features

2023

2023 Emotional Footprint Champion

2023

Strategy and Innovation
Product Impact

2023

2022 Data Quadrant Champion

2022

11 Top Rated Capabilities

7 Top Rated Features

2022

2022 Data Quadrant Champion

2022

6 Top Rated Capabilities

4 Top Rated Features

2022

2021 Emotional Footprint Champion

2021

Slack Ratings

Real user data aggregated to summarize the product performance and customer experience.
Download the entire Product Scorecard to access more information on Slack.

Product scores listed below represent current data. This may be different from data contained in reports and awards, which express data as of their publication date.

91 Likeliness to Recommend

97 Plan to Renew

87 Satisfaction of Cost Relative to Value

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Emotional Footprint Overview

Product scores listed below represent current data. This may be different from data contained in reports and awards, which express data as of their publication date.

+93 Net Emotional Footprint

The emotional sentiment held by end users of the software based on their experience with the vendor. Responses are captured on an eight-point scale.

How much do users love Slack?

1% Negative

3% Neutral

96% Positive

Pros

Reliable
Enables Productivity
Respectful
Fair

Feature Ratings

Average 87

Instant Messaging

Notifications

File Sharing Collaboration

Integration With Productivity Tools

Cross Platform Support

Search

Granular Access Management

Task Management

Document Collaboration

Screen Sharing

Voice and Video Collaboration

Vendor Capability Ratings

Average 84

Ease of Implementation

Business Value Created

Usability and Intuitiveness

Quality of Features

Breadth of Features

Ease of IT Administration

Ease of Data Integration

Ease of Customization

Product Strategy and Rate of Improvement

Availability and Quality of Training

Vendor Support

Slack Reviews

Role: Information Technology
Industry: Technology
Involvement: IT Leader or Manager

Validated Review

Anonymous Reviewer

Submitted Jul 2021

A complete communication software.

Likeliness to Recommend

10 /10

Pros

Helps Innovate
Continually Improving Product
Reliable
Performance Enhancing

Vineet K.

Role: Sales Marketing
Industry: Other
Involvement: End User of Application

Validated Review

Verified Reviewer

Submitted Jul 2021

light weight and feature rich

Likeliness to Recommend

9 /10

What differentiates Slack from other similar products?

lightweight and very good integration with other products

What is your favorite aspect of this product?

fast messaging

What do you dislike most about this product?

video call quality could be better

What recommendations would you give to someone considering this product?

go for it , good product

Pros

Helps Innovate
Continually Improving Product
Performance Enhancing
Enables Productivity

Sarah G.

Role: Sales Marketing
Industry: Technology
Involvement: End User of Application

Validated Review

Verified Reviewer

Submitted Jul 2021

The best instant messaging app for any business

Likeliness to Recommend

10 /10

What differentiates Slack from other similar products?

Slack allows you to create channels for specific teams/projects so the same people can stay connected and collaborate together.

What is your favorite aspect of this product?

I like being able to message myself to keep notes and a list of daily things to do.

What do you dislike most about this product?

Sometimes the files will not download properly on the app, so I have to go to the web version to be able to save any documents.

What recommendations would you give to someone considering this product?

It is the easiest tool to use and will make the day to day much easier. Easy to stay connected and organized.

Pros

Helps Innovate
Continually Improving Product
Reliable
Enables Productivity

Slack

What is Slack?

Company Details

Need Assistance?

Awards & Recognition

2025 Data Quadrant Champion

2025 Emotional Footprint Champion

2024 Data Quadrant Champion

2024 Emotional Footprint Champion

2023 Data Quadrant Champion

2023 Emotional Footprint Champion

2022 Data Quadrant Champion

2022 Data Quadrant Champion

2021 Emotional Footprint Champion

Slack Ratings

91 Likeliness to Recommend

97 Plan to Renew

87 Satisfaction of Cost Relative to Value

Emotional Footprint Overview

+93 Net Emotional Footprint

How much do users love Slack?

Pros

Feature Ratings Average rating of all product features, some of which may not be shown below

Instant Messaging Real-time, text-based communication between two or more people

Notifications Tool alerts business of an application generated event.

File Sharing Collaboration Users share, view, edit, discuss, and provide feedback on content, synchronously or asynchronously, either natively or through a third-party integration.

Integration With Productivity Tools Ability to integrate with the tools people use to do their jobs

Cross Platform Support Includes the variety of client devices and operating systems supported by the solution.

Search The system can search an entire body of a document for a keyword or phrase.

Granular Access Management Able to ensure that only your team has access to information, or open up access to other groups, roles, users, etc.

Task Management Includes task prioritizing, task assignments, subtasks, and task tracking and monitoring.

Document Collaboration Multiple people can work simultaneously on the same file or set of files

Screen Sharing The ability to share screens.

Voice and Video Collaboration The ability to have video and audio conversations/conferences, either between two people or within large groups.

Vendor Capability Ratings Average rating of all vendor capabilities, some of which may not be shown below

Ease of Implementation Successfully implementing new software is necessary to realize its full value and promote end user adoption. This data indicates whether or not the product is easy to implement.

Business Value Created Software needs to create value for employees, customers, partners, and, ultimately, shareholders. This data expresses user satisfaction - or lack thereof - with the product's business value.

Usability and Intuitiveness End user learning curves cost the organization money. Pay attention to your end users' technical ability to determine how important UX is in your purchase.

Quality of Features Feature quality is just as important as quantity. Use this data to determine if this product will do what you're purchasing it to do, easily, intuitively, reliably, and effectively.

Breadth of Features Users prefer feature rich software that enables them to perform diverse series of tasks. This data expresses user satisfaction with the product's breadth of features.

Ease of IT Administration This data indicates whether IT personnel will be able to resolve issues and perform configurations efficiently and effectively.

Ease of Data Integration Use this data to determine whether the product will cause headaches or make data integration easy.

Ease of Customization Don't get bogged down in a difficult customization; use this data to make sure you can easily achieve the functionality you need for your particular situation.

Product Strategy and Rate of Improvement Vendors who don't stay on top of emerging needs and trends won't enable you to meet your business goals. Use this data to separate innovators from imposters.

Availability and Quality of Training Effective and readily available training enables users to get the most out of the software you've chosen. Use this section to make sure your vendor's training programs and materials measure up.

Vendor Support The importance of vendor support will vary for each organization depending on internal capabilities, but there will always be issues that only the vendor can resolve.

Slack Reviews

A complete communication software.

Likeliness to Recommend

Pros

Vineet K.

light weight and feature rich

Likeliness to Recommend

Pros

Sarah G.

The best instant messaging app for any business

Likeliness to Recommend

Pros

Most Popular Slack Comparisons

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OpenText GroupWise

Feature Ratings

Instant Messaging

Notifications

File Sharing Collaboration

Integration With Productivity Tools

Cross Platform Support

Search

Granular Access Management

Task Management

Document Collaboration

Screen Sharing

Voice and Video Collaboration

Vendor Capability Ratings

Ease of Implementation

Business Value Created

Usability and Intuitiveness

Quality of Features

Breadth of Features

Ease of IT Administration

Ease of Data Integration

Ease of Customization

Product Strategy and Rate of Improvement

Availability and Quality of Training

Vendor Support