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Compare Slack and Zulip 
At a Glance
Market Segments
Small-Business (41.6% of reviews)
Small-Business (69.2% of reviews)
Entry-Level Pricing
$0.00
Free
Slack
Star Rating
(35,089)4.5 out of 5
Market Segments
Small-Business (41.6% of reviews)
Entry-Level Pricing
$0.00
Browse all 4 pricing plansZulip
Star Rating
(94)4.6 out of 5
Market Segments
Small-Business (69.2% of reviews)
Entry-Level Pricing
Free
Browse all 7 pricing plansSummary
AI Generated Summary
AI-generated. Powered by real user reviews.
- Users report that Slack excels in instant messaging with a score of 9.5, making it a preferred choice for real-time communication, while Zulip, with a score of 9.3, offers a unique threaded conversation feature that some users find beneficial for organizing discussions.
- Reviewers mention that Slack's mobile application is highly rated at 9.1, providing a seamless experience on the go, whereas Zulip's mobile app, rated at 7.7, has received feedback indicating it could improve in usability and performance.
- G2 users highlight Slack's robust file sharing capabilities, scoring 9.1, which allows for easy collaboration on documents, while Zulip's file sharing, rated at 8.7, is functional but lacks some of the advanced features that Slack offers.
- Users on G2 appreciate Slack's ease of use, scoring 9.1, which is often cited as a reason for its popularity among teams, while Zulip, with a score of 8.4, has been noted by some users as having a steeper learning curve due to its unique threading model.
- Reviewers say that Slack's integration capabilities are strong, with a score of 9.0, allowing users to connect with various tools easily, while Zulip's integrations, rated at 7.7, are seen as limited, which can hinder workflow for some teams.
- Users report that Slack's notification system, scoring 9.0, is effective in keeping team members informed without overwhelming them, whereas Zulip's notifications, rated at 8.9, are functional but can sometimes lead to information overload due to the volume of threads.
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Pricing
Entry-Level Pricing
Slack
Free
$0.00
For teams wanting to try out Slack for an unlimited period of time
- Searchable message archives, up to 10k of your team’s most recent messages
- 10 apps or service integrations
- Native apps for iOS, Android, Mac & Windows Desktop
Zulip
Zulip Coud Free
Free
Best for light use.
- 10,000 messages of search history
- File storage up to 5 GB total
- Complete team chat solution
Free Trial
Slack
Free Trial is available
Zulip
Free Trial is available
Ratings
Meets Requirements
9.2
29,171
9.3
86
Ease of Use
9.1
29,813
8.4
87
Ease of Setup
9.1
6,387
9.1
61
Ease of Admin
8.8
4,675
9.1
39
Quality of Support
8.8
19,972
9.2
68
Has the product been a good partner in doing business?
9.0
4,160
9.5
34
Product Direction (% positive)
8.7
28,494
8.6
85
Features by Category
Tasks
8.8
432
Not enough data
8.7
426
Not enough data
8.7
424
Not enough data
8.8
424
Not enough data
8.2
422
Not enough data
8.6
418
Not enough data
8.6
415
Not enough data
8.6
413
Not enough data
Projects
8.7
413
Not enough data
8.4
407
Not enough data
7.8
400
Not enough data
8.3
407
Not enough data
8.3
400
Not enough data
8.1
395
Not enough data
8.4
396
Not enough data
8.2
393
Not enough data
8.1
387
Not enough data
8.2
386
Not enough data
8.2
382
Not enough data
Resource Management
8.4
379
Not enough data
8.4
379
Not enough data
8.6
383
Not enough data
Project Monitoring
8.5
372
Not enough data
8.3
374
Not enough data
8.4
374
Not enough data
Generative AI
7.6
326
Not enough data
7.6
326
Not enough data
Agentic AI - Project Management
7.7
17
Not enough data
7.6
17
Not enough data
7.5
17
Not enough data
7.6
17
Not enough data
7.5
17
Not enough data
7.8
16
Not enough data
7.9
16
Not enough data
Business Instant Messaging
9.1
12687
8.6
79
9.0
13179
8.9
79
8.6
12570
8.4
79
Business Instant Messaging
8.4
9069
6.5
67
8.1
8445
6.2
67
Business Instant Messaging
9.1
12501
7.7
77
9.2
12169
9.1
76
9.0
10625
7.7
66
Generative AI - Business Instant Messaging
7.3
614
3.5
40
AI - Business Instant Messaging
7.4
616
3.8
38
7.9
612
4.6
39
7.3
609
3.7
38
7.3
611
3.7
37
Agentic AI - Business Instant Messaging
7.2
32
Not enough data
7.4
32
Not enough data
Setup
9.1
325
Not enough data
8.9
323
Not enough data
8.8
317
Not enough data
9.1
323
Not enough data
Management
9.0
318
Not enough data
8.8
311
Not enough data
9.0
313
Not enough data
Generative AI
7.7
280
Not enough data
Agentic AI - Workflow Management
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Account Options
9.6
76
Not enough data
8.4
75
Not enough data
9.0
74
Not enough data
9.2
77
Not enough data
9.3
77
Not enough data
9.3
75
Not enough data
Q&A Tools
9.3
76
Not enough data
9.5
75
Not enough data
9.4
77
Not enough data
8.9
73
Not enough data
9.4
72
Not enough data
9.0
73
Not enough data
8.7
72
Not enough data
9.2
72
Not enough data
8.5
71
Not enough data
Knowledge Pages
8.5
109
Not enough data
8.4
110
Not enough data
8.5
108
Not enough data
8.1
105
Not enough data
8.0
107
Not enough data
8.0
105
Not enough data
8.4
104
Not enough data
Knowledge Dissemination
8.2
106
Not enough data
8.6
106
Not enough data
9.0
107
Not enough data
9.0
108
Not enough data
8.2
106
Not enough data
8.1
103
Not enough data
8.6
105
Not enough data
8.6
103
Not enough data
8.7
103
Not enough data
Agentic AI - Knowledge Base
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Login Options
9.2
275
Not enough data
8.6
268
Not enough data
Productivity
8.2
259
Not enough data
8.5
262
Not enough data
8.7
261
Not enough data
8.0
255
Not enough data
8.1
253
Not enough data
Customization
8.9
258
Not enough data
9.2
264
Not enough data
9.0
255
Not enough data
Agentic AI - Unified Workspaces
Not enough data
Not enough data
Not enough data
Not enough data
Compatibility
9.0
29
Not enough data
8.9
30
Not enough data
9.1
27
Not enough data
Agentic AI - Enterprise Search Software
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Search Queries
8.7
29
Not enough data
9.0
28
Not enough data
8.8
28
Not enough data
9.0
28
Not enough data
9.0
27
Not enough data
Functionality
8.7
28
Not enough data
9.2
27
Not enough data
9.0
29
Not enough data
Automation
8.9
557
Not enough data
8.8
550
Not enough data
8.5
537
Not enough data
Administration
8.8
544
Not enough data
8.7
537
Not enough data
9.4
548
Not enough data
Project management
8.8
543
Not enough data
8.6
535
Not enough data
8.6
537
Not enough data
8.6
528
Not enough data
8.6
530
Not enough data
8.4
522
Not enough data
8.3
527
Not enough data
Workload
8.4
516
Not enough data
8.8
522
Not enough data
8.6
516
Not enough data
8.6
515
Not enough data
Communication & Collaboration
9.3
529
Not enough data
9.0
528
Not enough data
9.3
530
Not enough data
Cost Management
8.1
511
Not enough data
8.3
513
Not enough data
8.2
510
Not enough data
Integration
8.6
517
Not enough data
8.4
513
Not enough data
8.4
507
Not enough data
Generative AI
7.3
489
Not enough data
7.4
489
Not enough data
Agentic AI - Work Management
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Communication
9.5
544
Not enough data
9.3
547
Not enough data
8.9
533
Not enough data
9.0
531
Not enough data
9.2
530
Not enough data
Content & Documents
9.2
535
Not enough data
9.0
529
Not enough data
8.8
531
Not enough data
8.2
513
Not enough data
Controls
8.3
513
Not enough data
8.1
505
Not enough data
8.7
506
Not enough data
8.4
504
Not enough data
8.2
498
Not enough data
Project Management
8.4
501
Not enough data
8.4
498
Not enough data
8.5
498
Not enough data
8.7
500
Not enough data
Remote Collaboration
9.1
504
Not enough data
8.7
494
Not enough data
9.0
501
Not enough data
7.9
495
Not enough data
Generative AI
7.1
475
Not enough data
7.2
475
Not enough data
Agentic AI - Project Collaboration
6.0
8
Not enough data
6.3
8
Not enough data
Collaboration Tools
9.2
891
Not enough data
9.0
853
Not enough data
8.6
802
Not enough data
9.4
880
Not enough data
8.9
814
Not enough data
Meeting Coordination
8.9
822
Not enough data
8.7
812
Not enough data
8.9
813
Not enough data
9.2
842
Not enough data
Software Type
9.3
880
Not enough data
9.0
848
Not enough data
9.5
885
Not enough data
Agentic AI - Video Conferencing
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Agentic AI - Audio Conferencing
7.3
10
Not enough data
7.0
9
Not enough data
Knowledge Base
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Security
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Content
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Communication
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Categories
Categories
Shared Categories
Slack and Zulip are categorized as Business Instant Messaging
Unique Categories
Zulip has no unique categories
Reviews
Reviewers' Company Size
Slack
Small-Business(50 or fewer emp.)
Mid-Market(51-1000 emp.)
Enterprise(> 1000 emp.)
Zulip
Small-Business(50 or fewer emp.)
Mid-Market(51-1000 emp.)
Enterprise(> 1000 emp.)
Small-Business
(50 or fewer emp.)
Mid-Market
(51-1000 emp.)
Enterprise
(> 1000 emp.)
Reviewers' Industry
Computer Software
15.1%
Information Technology and Services
12.7%
Marketing and Advertising
8.6%
Internet
4.9%
Higher Education
3.4%
Other
55.2%
Research
26.4%
Computer Software
15.4%
Higher Education
8.8%
Non-Profit Organization Management
3.3%
Information Technology and Services
3.3%
Other
42.9%
Most Helpful Reviews
Slack
Most Helpful Favorable Review
Verified User in Internet
I like the ability to stay up to date on internal conversations by subscribing to different channels. It keeps me in the know in real time, instead of waiting for a meeting to get updates. On a related note, it also declutters my email inbox, and makes...
Most Helpful Critical Review
Verified User in Internet
Integrations of third-party apps are limited; in their directory they have a few apps that can be easily integrated, however, not all give the expected results.
Zulip
Most Helpful Favorable Review
Iago B.
Verified User in Research
We've been using Zulip for a couple of months now with our ≈40 people organization gathered around sharing knowledge, training and support for CS-related skills (especially programming) in our research lab (Ecology/Biodiversity/Evolution). We can't wait to...
Most Helpful Critical Review
Ali A.
Verified User in Higher Education
Probably the UI, especially on mobile. Its hard to like it when someone has been using Slack. Feels very old school.
Verified User in Internet
I like the ability to stay up to date on internal conversations by subscribing to different channels. It keeps me in the know in real time, instead of waiting for a meeting to get updates. On a related note, it also declutters my email inbox, and makes...
Iago B.
Verified User in Research
We've been using Zulip for a couple of months now with our ≈40 people organization gathered around sharing knowledge, training and support for CS-related skills (especially programming) in our research lab (Ecology/Biodiversity/Evolution). We can't wait to...
Verified User in Internet
Integrations of third-party apps are limited; in their directory they have a few apps that can be easily integrated, however, not all give the expected results.
Ali A.
Verified User in Higher Education
Probably the UI, especially on mobile. Its hard to like it when someone has been using Slack. Feels very old school.
Discussions
How do I delete a channel in slack?
47 comments
CH
Since this has already been answered, my $0.02 is that you should always archive channels rather than delete them for posterity and/or auditing purposes.Read more
What does slack software do?
28 comments
RR
Slack is messaging and communication platform which allow an individual for video and audio calls and many more.Read more
Is Slack a good tool?
13 comments
BM
Slack adopts an interactive, open-conversation approach, enabling you to effortlessly connect with team members via chat or swiftly initiate huddles (audio...Read more
Does Zulip have an app?
1 comment
KM
It seems like you provided a single word, "Yes." If this is part of a larger text in an unknown language, please provide the full text for translation.Read more
Zulip has no more discussions with answers
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