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Slack Logo
Slack
4.5
(28,674)
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Slack Reviews & Product Details

Slack Overview
What is Slack?

Slack is the top choice for teams to communicate. It provides a virtual workspace that helps teams maintain open communication in a business environment. With Slack, users can host voice and video calls with up to 15 participants and even screen share with a desktop app, empowering better user interaction. Slack also supports options for private and group sessions, and one of its best features is Slack Huddles–an informal meeting space that lets you directly talk to your channel where you can share screen side by side with your team. The platform integrates well with Dropbox, Google Drive, and Trello as well.

Company Salesforce
Year founded 1999
Company size 10,001+ employees
Headquarters San Francisco, California
Social Media
Managed by:
Axel Grubba
Founder
Slack Categories on Findstack
Ask Questions about Slack
What Slack is best for?
How does Slack compare to Helpfull?
What are the pros and cons of Slack?
Slack Product Details
Capabilities
API
Segment
Small Business
Mid Market
Enterprise
Deployment Cloud / SaaS / Web-Based, Desktop Mac, Desktop Windows, Mobile Android, Mobile iPad, Mobile iPhone
Training Documentation
Languages English
Slack Pros and Cons
Pros
  • Allows users to access handy productivity tools.
  • Offers app integrations and API access
  • Comes with extensive security.
  • Lets users collaborate file sharing and video meetings
  • API allows software developers to create custom integrations
Cons
  • No course creation
  • Limited engagement options
  • Notification frequency is too high
  • Screen sharing and drawing tools aren’t supported on mobile devices
Slack Features
API Access
Admin Controls
Audit Logs
Bots and Automation
Calendar Integration
Contact Management
Customizable Notifications
Data Export
Desktop Access
Emoji Support
End-to-End Encryption
File Sharing
GIF Support
Group Chats
Integration with Third-Party Apps
Message History
Message Threads
Mobile Access
Multi-language Support
Real-time Messaging
Screen Sharing
Search Functionality
Single Sign-On (SSO)
Task Management Integration
Two-Factor Authentication (2FA)
User Mentions
User Presence Status
User Roles and Permissions
Video Calls
Voice Calls
Disclaimer
Our research is curated from diverse authoritative sources and meant to offer general advice. We don’t guarantee that our suggestions will work best for each use-case, so consider your unique needs when choosing products and services. Feel free to share your feedback.
Last updated: September 15, 2024
Slack Logo
28,674 Slack Reviews
4.5 out of 5
Small Business (50 or fewer emp.)
Mar 17, 2023
 Source
Overall Rating:
5.0
Victor Smith S. avatar
Victor Smith S.
Private Equity Intern
Share
"Review of Slack in Private Equity"
What do you like best about Slack?

It is very swift and easy to communicate with the team. Easy to create groups and teams, and very good to keep dialogue with team members that are spread across our 4 office, which is very valuable to us as a PE-firm. It makes the threshold to keep in touch with people across our offices much easier, and makes the firm as a whole more dynamic and inspiring for that reason.

What do you dislike about Slack?

Downside is likely that you are never off. People can slack you at anytime, even in weekends. As it is so easy and swift to use, it is here a low treshold for partners or senior executives to send a slack with to-do's, so you never really get a break from work.

What problems is Slack solving and how is that benefiting you?

Slack solves the fact that we can work in teams easily even when team members often sit in different locations across the world. That being said, we use it a lot in our internal office as well, I even use it a lot with my team-member next to me here. I highly value Slack. It also gets the email correspondance down.

Enterprise (> 1000 emp.)
Mar 17, 2023
 Source
Overall Rating:
5.0
ZQ
Zaid Q.
Founder
Share
"Best communication tool"
What do you like best about Slack?

UX is entirely user-friendly and solves all dev-related communication needs.

What do you dislike about Slack?

Mobile apps have lots of bugs and desktop software takes some time to load messages.

What problems is Slack solving and how is that benefiting you?

Communication problems are solved by slack

Mid Market (51-1000 emp.)
Mar 17, 2023
 Source
Overall Rating:
5.0
FH
Felicia H.
Founder
Share
"slack rocks!"
What do you like best about Slack?

It's very user friendly, easy to search previous posts, you can pin posts for easier reference, the emoji reactions make it so much fun for teams, it's overall great!

What do you dislike about Slack?

I honestly do not have any negatives to say about Slack; it's been such a great tool for us.

What problems is Slack solving and how is that benefiting you?

remote communication, managing a team, reference guide for important updates

Mid Market (51-1000 emp.)
Mar 17, 2023
 Source
Overall Rating:
5.0
GF
Gabriella F.
Founder
Share
"Great for work communications"
What do you like best about Slack?

The channels and group chats help collaboration. I know the entire company is a slack away and will get notified immediately. The integration with google calendar is really nice too so you can know at a glance if someone is in a meeting or out of the office.

What do you dislike about Slack?

The notifications can be kind of funky with the channels. I'm in a channel with my immediate team and I don't get notified when someone slacks in it and I won't see it until I open slack and look for it.

What problems is Slack solving and how is that benefiting you?

Communication as a company! We have a few company-wide channels that are great for random conversations and announcements that impact the whole company. It helps us feel close to one another when we're all working from home.

Small Business (50 or fewer emp.)
Mar 16, 2023
 Source
Overall Rating:
5.0
AC
Alejandra C.
Area Coordinator
Share
"Great software to communicate within teams"
What do you like best about Slack?

I love that I can have channels, groups and direct conversations. Also I love that I can be logged on different spaces so I'm in touch with some of my clients that use slack.

What do you dislike about Slack?

I have lots of channels open at the same time, I mean the amount of # to wich I'm subscribed is high.

What problems is Slack solving and how is that benefiting you?

We are a team of about 50 people located in different places in the country. Slack helps us to be connected and maintain good communication and stay in touch along the day.

Mid Market (51-1000 emp.)
Mar 16, 2023
 Source
Overall Rating:
5.0
Tim W. avatar
Tim W.
Team Lead Seo & Wordpress Management
Share
"The best IM for the office"
What do you like best about Slack?

Slack is easy to use and offers so much. Simple 1on1 messages, Groups (public and private), or just temporary chats between multiple users without opening another group and another and another... It also offers lots of connectors. Ex. it updates my status with my Outlook Calender and also shows me my calender in the morning. A simple click will open Zoom or Teams. And there is so much more.

What do you dislike about Slack?

I do not think the included video call options are great. To use it is really akward and the voice part is not on the same level as the competition. I do not use it anymore.

What problems is Slack solving and how is that benefiting you?

Slack helps to easily connect the employees in one central place.

Small Business (50 or fewer emp.)
Mar 16, 2023
 Source
Overall Rating:
5.0
Devendra S. avatar
Devendra S.
Software Engineer
Share
"Slack as a User review"
What do you like best about Slack?

I liked below things: 1) Notification feature with number of count 2) Integration with other platforms using webhooks 3) You can create channels as per your needs 4) UI is very interactive

What do you dislike about Slack?

1) If you are a part of the channel then you will receive message for every activity. so it's a distraction. 2) There is no automated messaging feature. 3) We can not see content after archiving a channel

What problems is Slack solving and how is that benefiting you?

It solved below problems : 1) Messaging problem (we can interact using messages, create channels, take calls) 2) Integration with other platforms using webhook 3) Monitoring of results

Small Business (50 or fewer emp.)
Mar 16, 2023
 Source
Overall Rating:
5.0
HADDOUCHI M. avatar
Haddouchi M.
Coo
Share
"Best collaboration tool ever"
What do you like best about Slack?

Ease of use and quick onboarding of new hires. We use slack on a daily basis and we linked it to our social media and website to enable our coworkers to view any new post and interact with it. We use a lot of integrations with clickup, chatbots for sales and customer requests, canva for post scheduling. The ability to have many workspaces and then many channels for different topics is an important feature.

What do you dislike about Slack?

The desktop version sometimes doesn't work for a whole day and we have to go without communication with the team.

What problems is Slack solving and how is that benefiting you?

Having the ability to discuss subjects in different channels inviting only the team members that are concerned. Slack enables us also to invite external consultants on a need base on a channel. The most important issue that is solves is centralizing all the notifications for the different automation that we put in place for sales, marketing, and customer management.

Small Business (50 or fewer emp.)
Mar 15, 2023
 Source
Overall Rating:
5.0
NG
Nicolas G.
Founder
Share
"Simply the best software for internal & external company communications."
What do you like best about Slack?

The best thing about Slack is its ease of use, its many integrations, the fact that it has an actual application you can download on different operating systems, and the precision of general communications.

What do you dislike about Slack?

The only thing that I do not like about Slack is the fact that when people reply to a thread, you have to find the specific response or go to the Threads section, but it does not notify you like the other types of messages do.

What problems is Slack solving and how is that benefiting you?

The most crucial problem that Slack is solving is being able to communicate instantly with anyone within your organization. Another great feature is the fact that the messages' history is saved, and you can go through months and months of history without losing important information. Finally, when you have to talk to someone rather than text them, you can create a huddle to have voice or video conferencing, and the interface for sharing your screen is simply spectacular.

Mid Market (51-1000 emp.)
Mar 15, 2023
 Source
Overall Rating:
5.0
MC
Mateo C.
Founder
Share
"Excellent communication tool that you can integrate with other APIs"
What do you like best about Slack?

A great cross-partner collaboration tool within the company. You can also add and communicate with people outside of your company which only requires approval from the admin. We are able to connect it with other APIs that we are using within the company. You can create workflows and automate/schedule activities

What do you dislike about Slack?

There is a limitation when messaging a group of people which is more than 10 but you can create a channel instead. Sometimes, it is difficult to look for files sent through Slack but manageable

What problems is Slack solving and how is that benefiting you?

Cross-company collaboration, connect with other outside of the organization, API connections that we are using within the company, Workflow builders, easier huddles with the team and meeting management

Mid Market (51-1000 emp.)
Mar 15, 2023
 Source
Overall Rating:
5.0
Manuel Felipe D. avatar
Manuel Felipe D.
Drivers Strategy & Ops Manager
Share
"Real time and effective communication to avoid email storm"
What do you like best about Slack?

It creates a culture of efficient communication and helps to improve alignment and real-time actioning of information. Using Slack correctly can decrease the need of sending emails.

What do you dislike about Slack?

When not used properly, Slack messages and notifications can be overwhelming. The success of Slack's use highly depends on the company's culture around communication.

What problems is Slack solving and how is that benefiting you?

Slack is helping to reduce short emails that can be a message and increases the level of alignment and speed in the answers. Additionally, the new features that promote asyincroity of communication will help to avoid unnecessary meetings.

Mid Market (51-1000 emp.)
Mar 15, 2023
 Source
Overall Rating:
5.0
JS
Javad S.
Founder
Share
"Clear communication across the team"
What do you like best about Slack?

It has all the features for communication including and it works seamlessly at the same time

What do you dislike about Slack?

the settings section can be overwhelming and there might be some features that we are not aware of

What problems is Slack solving and how is that benefiting you?

We can pick the right audience and communicate clearly across the teams

Small Business (50 or fewer emp.)
Mar 15, 2023
 Source
Overall Rating:
5.0
MM
Maggie M.
Founder
Share
"A great application for corresponding with coworkers!"
What do you like best about Slack?

I use Slack every day to chat with my coworkers about projects and other tasks relevant to our company. I love how easy Slack makes correspondence.

What do you dislike about Slack?

My only gripe with Slack is that I sometimes find searching for old direct message conversations with people difficult. Sometimes when chats disappear from my sidebar, it's complicated to track them down.

What problems is Slack solving and how is that benefiting you?

Slack makes it simple to quickly connect with people at my company without having to email or jump on a call. I am more productive as solutions can usually be solved fairly quickly when instant messaging.

Mid Market (51-1000 emp.)
Mar 14, 2023
 Source
Overall Rating:
5.0
KG
Kshitij G.
Founder
Share
"Wonderful experience"
What do you like best about Slack?

I think slack is the best communication tool any organization can use to communicate between employees. It has almost all built-in features like thread mentions and huddle, making your work easier.

What do you dislike about Slack?

I want the interface of the huddle should improve as I believe it lacks some basic features like feasibility. Also, the notifications should be improved, and there should be an option for customization.

What problems is Slack solving and how is that benefiting you?

Slack is the one-stop solution for communication in an organization. It decreases the dependency on other apps like meet because it has all built-in features that we can merge with slack.

Small Business (50 or fewer emp.)
Mar 14, 2023
 Source
Overall Rating:
5.0
MS
Miljan S.
Founder
Share
"The one and only business communication platform"
What do you like best about Slack?

Simple, intuitive, and full of user-friendly features, Slack provides a unique way of communication and collaboration for both small and big teams.

What do you dislike about Slack?

Their notification system is so complex and they try to pay attention to when they send them, yet somehow I don't get them when most needed :)

What problems is Slack solving and how is that benefiting you?

Simple way of communicating with colleagues, topic-based channels, easy to use, awesome support team, social media team is rocking!

Mid Market (51-1000 emp.)
Mar 14, 2023
 Source
Overall Rating:
5.0
MR
Maria Gabriela R.
A
Share
"An amazing tool to recommend"
What do you like best about Slack?

Being able to communicate with people inside the company, and at the same time, having records of everything publicly discussed whenever you need to access important information

What do you dislike about Slack?

Conversations are not necessary private, and sometimes it makes people not to trust it whenever talking to colleagues.

What problems is Slack solving and how is that benefiting you?

Communication across the company, especially to make it easier to address issues that involve different teams and people.

Small Business (50 or fewer emp.)
Mar 14, 2023
 Source
Overall Rating:
5.0
DM
Daniel M.
Founder
Share
"Allows for great communication among workgroups"
What do you like best about Slack?

I like that it allows for communication with everyone in the organization, using whichever tools is best for communicating, such as text, voice, screenshare, or even video.

What do you dislike about Slack?

The free version of Slack doesn't allow for conversations to be saved beyond 90 days. This doesn't allow for a good search tool of conversations that were held in the past.

What problems is Slack solving and how is that benefiting you?

It helps us keep the team communicated and on track to meet our goals. It allows for quick communication and sharing of ideas. It even allows to be more productive than having to have meetings all the time.

Small Business (50 or fewer emp.)
Mar 14, 2023
 Source
Overall Rating:
5.0
JL
Julia L.
Founder
Share
"Great team space"
What do you like best about Slack?

The ability to share document and to pin message in a conversation

What do you dislike about Slack?

There is too much conversation going on. I feel like its get messy quickly

What problems is Slack solving and how is that benefiting you?

Slack is helping us to connect with other organisation. Its really practical since we are an agency and need to be in communication with many business partner.

Mid Market (51-1000 emp.)
Mar 13, 2023
 Source
Overall Rating:
5.0
CC
Caique C.
Founder
Share
"Best for organizing"
What do you like best about Slack?

I love how everything gets so organized in there. The search bar is the best because you can query by channel and author, making it much easier to find stuff you can't recall but know where you saw. The new design of the sidebar is perfect. I loved that I could hide all my channels and configure them so only those with unread messages or mentions are displayed outside the group; it made my work environment much cleaner and neat. Also, I LOVE that you can schedule messages!! It's helpful when you have an announcement for your team and want it to be made at some specific date and time. And the "remind me about this later" feature is the best way never to forget a task again.

What do you dislike about Slack?

It's not something to complain about, just an improvement I'd like to have because of my personal experience. We use our status in the company to display whether we are on a break, available, or in a meeting. When I set a status for a quick break, though, I can't put it to change back automatically after less than 30 minutes. I take ten or 20min breaks often, and if I can't set them to clear automatically, I tend to forget to change them when I'm back. I wish I could customize the "shortcuts" for the "Remove status after..." section to add a "clear after 15min" there instead of having to choose a date and time for every short break I take.

What problems is Slack solving and how is that benefiting you?

Organizing information: I can always find items saved in channels or specific conversations. Retrieving data: by consulting questions once answered before instead of asking them again and by the beautiful search bar that allows me to filter by channel, by author, by date, by whatever I want - basically!. Team collaboration: all my coworkers are there and they are organized by teams so I can easlily find the best person to discuss each subject.

Small Business (50 or fewer emp.)
Mar 11, 2023
 Source
Overall Rating:
5.0
AS
Amitesh S.
Senior Customer Service Exedutive
Share
"Best App For Communication"
What do you like best about Slack?

Slack is the best app to communicate in an organization. It gives many features like Huddles & calls to speak effectively in our team. Also, it gives options such as creating a channel for effective communication.

What do you dislike about Slack?

There is no such thing however I would like to mention that when we start huddling the back ground music is very irritating & it needs to be changed. Apart from it, everything is perfect.

What problems is Slack solving and how is that benefiting you?

There are many problems that i am solving with slack & some of them are as follows- (A) Through the help of creating channels i am able to separate process-related queries which help to save time. (B) Effective communication leads to practical working & slack helps in that very effectively. (C) It Helps to create a good work-life balance.