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Atlassian Confluence vs Slack comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on Jan 23, 2025

Review summaries and opinions

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:
 

ROI

Sentiment score
7.4
Atlassian Confluence centralizes knowledge, reduces onboarding time, and offers cost-effective advantages by enhancing information sharing and process management.
Sentiment score
7.4
Slack boosts productivity and collaboration with a 40% ROI, praised for efficiency despite some desiring lower pricing.
 

Customer Service

Sentiment score
6.6
Atlassian Confluence support is responsive but seen as limited, with premium support and a strong online community aiding users.
Sentiment score
7.1
Slack's reliable service rarely requires support, but customer service is responsive and effective, receiving high praise overall.
This team manages all queries and uses various plugins, such as Tempo for time tracking.
We tend to focus more on Workato for support, but internally we raise service requests with the infrastructure team for any issues related to Slack.
 

Scalability Issues

Sentiment score
7.3
Atlassian Confluence is praised for effective scalability, handling growth smoothly, though some cost and performance issues may arise.
Sentiment score
7.6
Slack efficiently scales for teams of all sizes, though free version limitations and management of many channels can be challenging.
Slack is endlessly scalable.
A user who engages with Slack daily and utilizes various features would provide more valuable insights.
Slack is not as comprehensive as Microsoft Teams in terms of scheduling and hosting meetings.
 

Stability Issues

Sentiment score
7.9
Atlassian Confluence is stable with rare issues, usually due to hardware, memory, or storage constraints, rated highly by users.
Sentiment score
7.7
Slack is largely praised for its stability and reliability, with occasional minor issues typically related to integrations or updates.
It integrates with various systems, allowing us to manage site reliability, availability, and reliability.
Slack's stability is a perfect 10.
Occasionally, Slack behaves unexpectedly and shuts down, which can be irritating, especially when I am in the middle of a task.
 

Room For Improvement

Atlassian Confluence struggles with search, pricing, user interface, editing, integration, administrative roles, and reporting features needing improvement.
Users suggest improvements in Slack's video chat, organization, integrations, interface, security, mobile capabilities, and non-developer functionalities.
The software does not currently have any kind of AI integration.
This chart used AI to offer users the option to create it based on the data.
We can also improve the creation of channels, particularly in terms of privacy, security, flexibility, and the addition of members to newly created channels.
Configuring chats and pinning in Teams is easier, even though Slack has these features, they are not intuitive enough to engage with.
There is a need to add a call group feature to facilitate scheduling and conducting meetings within Slack.
 

Setup Cost

Atlassian Confluence's pricing varies by setup choice, user licensing, and plugins, with potential annual increases of 5-10%.
Slack's free version suits small teams, while enterprises prefer paid plans for security, costing 15-20 USD per user.
It streamlines license management and renewal processes, which can otherwise lead to complications or lapses in access.
 

Valuable Features

Atlassian Confluence offers intuitive navigation, flexible collaboration, JIRA integration, and plugins, making it a versatile document management tool.
Slack excels in chat functionalities, app integrations, customization, productivity tools, and offers a seamless, secure communication platform.
This tool provides a single repository for interacting with the entire team.
In my experience, Slack is a stable product for communication, and I appreciate its automation features and integration of AI capabilities for enhancing specific functions.
We have created some error alerts and notification-related channels in the Workato recipe itself, where if we encounter any production issue errors or alerts, we receive error notifications with descriptions, error messages, and recipe names in a dedicated production error alerts Slack channel.
In managing releases via Slack channels, one major advantage over Teams is the ability to have threaded discussions, which helps in catching up on relevant discussions without the distraction of interleaved conversations.
 

Categories and Ranking

Atlassian Confluence
Ranking in Enterprise Social Software
3rd
Average Rating
8.2
Reviews Sentiment
7.0
Number of Reviews
105
Ranking in other categories
Corporate Portals (Enterprise Information Portals) (2nd), Knowledge Management Software (1st)
Slack
Ranking in Enterprise Social Software
2nd
Average Rating
8.4
Reviews Sentiment
7.5
Number of Reviews
76
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of July 2025, in the Enterprise Social Software category, the mindshare of Atlassian Confluence is 10.6%, down from 14.2% compared to the previous year. The mindshare of Slack is 12.8%, up from 10.0% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Enterprise Social Software
 

Featured Reviews

Rabindra K Maharana - PeerSpot reviewer
Editing features improve document accessibility
There is a holiday calendar, however, I need to install an app or add something to it. The add-on feature is not readily available or well-documented. Guidance on this should be available in a forum. Recently, I used a feature in another tool—perhaps GitHub—where it helped prepare a chart. It involved listing resources, like having fifteen people in the X team, ten in the Y team, and seven in the Z team. It created a bar chart showing these numbers. This chart used AI to offer users the option to create it based on the data. It was then created on a separate page and made available.
Awais Mehmood - PeerSpot reviewer
Automation features and user-friendly interface support seamless communication
Slack is very supportive in terms of communication between my colleagues and clients. While working with the reimbursement feature, I found the automation capabilities on Slack to be incredibly useful, allowing me to automate messages for specific dates or times and even to greet someone on their birthday. I haven't specifically used the channel organization feature of Slack, as I am added to channels, but I use it with Airtable, which automates notifications to a specific Slack channel when a user fills out a form on our website. In my experience, Slack is a stable product for communication, and I appreciate its automation features and integration of AI capabilities for enhancing specific functions.
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Top Industries

By visitors reading reviews
Educational Organization
46%
Financial Services Firm
9%
Computer Software Company
7%
Manufacturing Company
6%
Educational Organization
50%
Computer Software Company
11%
Financial Services Firm
8%
University
4%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
 

Questions from the Community

What do you like most about Atlassian Confluence?
The most valuable feature of the solution stems from its document-controlling feature. In Atlassian Confluence, controlled documents cannot be edited by anyone else.
What is your experience regarding pricing and costs for Atlassian Confluence?
With Atlassian, the costs are reasonable. Although higher than before when we used multiple platforms and licenses, having a collaborative platform like this is advantageous. It streamlines license...
What needs improvement with Atlassian Confluence?
There is a holiday calendar, however, I need to install an app or add something to it. The add-on feature is not readily available or well-documented. Guidance on this should be available in a foru...
What do you like most about Slack?
Nowadays, we don't need to visit an HR portal. Our marketing and human resources teams directly share details about birthdays, upcoming events, and important dates in Slack. Whether it's a training...
What is your experience regarding pricing and costs for Slack?
I am not aware of pricing, setup costs, or licensing, due to my company's partnership with Slack.
What needs improvement with Slack?
Sometimes Slack behaves unexpectedly and shuts down without notification or support communication. There is a need to add a call group feature to facilitate scheduling and conducting meetings withi...
 

Comparisons

 

Also Known As

Confluence
No data available
 

Overview

 

Sample Customers

Facebook, Skype, Microsoft, NASA, Netflix, Adobe, Bonobos, LinkedIn, Pfizer, Citi.
Strava, The New York Times, Spotify, Blue Bottle Coffee Company, Eventbrite, Box, Circa, Stripe
Find out what your peers are saying about Atlassian Confluence vs. Slack and other solutions. Updated: June 2025.
860,592 professionals have used our research since 2012.