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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Real user data aggregated to summarize the product performance and customer experience.
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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
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?
Pros
- Reliable
- Enables Productivity
- Respectful
- Fair
How to read the Emotional Footprint
The Net Emotional Footprint measures high-level user sentiment towards particular product offerings. It aggregates emotional response ratings for various dimensions of the vendor-client relationship and product effectiveness, creating a powerful indicator of overall user feeling toward the vendor and product.
While purchasing decisions shouldn't be based on emotion, it's valuable to know what kind of emotional response the vendor you're considering elicits from their users.
Footprint
Negative
Neutral
Positive
Feature Ratings
Instant Messaging
File Sharing Collaboration
Notifications
Integration With Productivity Tools
Cross Platform Support
Search
Granular Access Management
Document Collaboration
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
Vendor Support
Availability and Quality of Training
Slack Reviews
Damaris P.
- Role: Sales Marketing
- Industry: Media
- Involvement: End User of Application
Submitted Oct 2025
Couldn't Do My Job Without It - Little Complaints!
Likeliness to Recommend
What differentiates Slack from other similar products?
Similar to Rippling, I feel like Slack has a young, "I know what's hot in the industry" feel to it. There's many options where you can customize your experience with the tool, and it makes everyday tasks like messaging coworkers and hopping on meetings a little more fun + manageable with all of its features
What is your favorite aspect of this product?
I just love the layout. It makes so much sense to me with how the channels are laid out. I work a remote job, so having a tool that allows me to effectively communicate with my team is key. In a remote workforce, it's easy to feel detached and to not know your coworkers enough. But, Slack's fun emojis, compatibility with the HeyTaco program, and its many gifs have made for some great laughs in the workplace and done a lot in fostering team unity
What do you dislike most about this product?
The notifications are almost never reliable. I've heard this from so many of my team members, but when I first downloaded Slack on my computer, I used to get notifications for every single message sent in a channel I'm in. Now, I'm lucky if I get a notification for a message sent directly to me. I've checked my settings multiple times, by myself and with other team members experiencing the same problem, with no luck. It means I just have to check Slack every five minutes, but still, I wish I could trust it a bit more. That, and the volume often glitches when hopping on a Huddle - it's about 50/50 on whether the audio works and is laggy
What recommendations would you give to someone considering this product?
I would consider how much your team needs to communicate virtually on a day-to-day basis. If you're a remote company, I couldn't recommend it more. But, for a company in-office with cubicles, I feel like it's not as much of a necessity. But, even if I did work in-office, if I had to choose Slack over any other current messaging tool (Google Teams or Microsoft Teams), I would do it in a heartbeat. Slack is just more fun and easy to use!
Pros
- Continually Improving Product
- Performance Enhancing
- Enables Productivity
- Trustworthy
Please tell us why you think this review should be flagged.
Yan C.
- Role: Vendor Management
- Industry: Technology
- Involvement: IT Leader or Manager
Submitted Oct 2025
Communication tool at the very best
Likeliness to Recommend
What differentiates Slack from other similar products?
Both desktop and mobile applications are intuitive tools allowing fast and reliable communication
What is your favorite aspect of this product?
Interactive tool
What do you dislike most about this product?
IOS Slack app is somehow not showing up through the apple search function
What recommendations would you give to someone considering this product?
Its literally the best product to manage projects and stay updated
Pros
- Helps Innovate
- Continually Improving Product
- Reliable
- Performance Enhancing
Please tell us why you think this review should be flagged.
Bhavna G.
- Role: Finance
- Industry: Other
- Involvement: End User of Application
Submitted Sep 2025
How Team Communication Got Easier
Likeliness to Recommend
What differentiates Slack from other similar products?
Compared to email threads, this platform allows updates and feedback in real time. It feels less formal and more like a shared workspace for the whole team.
What is your favorite aspect of this product?
It’s easy to create separate spaces for different projects, keeping discussions organized. Integrations with other tools also save a lot of time switching between apps.
What do you dislike most about this product?
Notifications can get overwhelming if not managed carefully. Sometimes, there’s too much chatter happening at once, which can be distracting.
What recommendations would you give to someone considering this product?
For teams looking to reduce long email chains and collaborate more effectively, this tool is a great choice. Setting rules for notifications and organizing spaces upfront really helps productivity.
Pros
- Performance Enhancing
- Reliable
- Fair
- Friendly Negotiation
Cons
- Less Effective Service
- Vendor's Interest First
- Less Transparent
Please tell us why you think this review should be flagged.
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