Introducing G2.ai, the future of software buying.Try now
Compare Slack and Yammer 
At a Glance
Market Segments
Small-Business (41.6% of reviews)
Enterprise (59.5% of reviews)
Entry-Level Pricing
$0.00
No pricing available
Slack
Star Rating
(35,167)4.5 out of 5
Market Segments
Small-Business (41.6% of reviews)
Entry-Level Pricing
$0.00
Browse all 4 pricing plansYammer
Star Rating
(1,439)3.6 out of 5
Market Segments
Enterprise (59.5% of reviews)
Entry-Level Pricing
No pricing available
Learn more about YammerFeatured Products
Sponsored
Camunda
(271)
Project Management
Visit Website
Sponsored
Pebb
(14)
Project Management
Visit Website
Sponsored
Pneumatic Workflow
(4)
Project Management
Visit Website
Slack vs Yammer
When assessing the two solutions, reviewers found Slack easier to use, set up, and administer. Reviewers also preferred doing business with Slack overall.
- Reviewers felt that Slack meets the needs of their business better than Yammer.
- When comparing quality of ongoing product support, reviewers felt that Slack is the preferred option.
- For feature updates and roadmaps, our reviewers preferred the direction of Slack over Yammer.
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
Yammer
No pricing availableFree Trial
Slack
Free Trial is available
Yammer
No trial information availableRatings
Meets Requirements
9.2
29,246
7.9
1,262
Ease of Use
9.1
29,891
8.1
1,278
Ease of Setup
9.1
6,451
8.3
176
Ease of Admin
8.8
4,688
7.7
166
Quality of Support
8.8
20,036
7.8
755
Has the product been a good partner in doing business?
9.0
4,172
7.8
147
Product Direction (% positive)
8.7
28,568
5.9
1,262
Features by Category
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
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Content 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
Productivity Tools
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
Administration
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Tasks
8.8
450
Not enough data
8.6
444
Not enough data
8.7
442
Not enough data
8.8
443
Not enough data
8.2
439
Not enough data
8.6
436
Not enough data
8.6
434
Not enough data
8.5
431
Not enough data
Projects
8.7
431
Not enough data
8.4
425
Not enough data
7.8
418
Not enough data
8.3
426
Not enough data
8.3
419
Not enough data
8.0
413
Not enough data
8.4
414
Not enough data
8.2
410
Not enough data
8.1
405
Not enough data
8.2
405
Not enough data
8.2
400
Not enough data
Resource Management
8.4
397
Not enough data
8.4
397
Not enough data
8.6
401
Not enough data
Project Monitoring
8.5
390
Not enough data
8.3
392
Not enough data
8.4
392
Not enough data
Generative AI
7.6
342
Not enough data
7.7
342
Not enough data
Agentic AI - Project Management
7.9
33
Not enough data
7.9
33
Not enough data
8.2
32
Not enough data
7.8
32
Not enough data
7.9
33
Not enough data
7.9
32
Not enough data
8.1
32
Not enough data
Business Instant Messaging
9.1
12712
Not enough data
9.0
13203
Not enough data
8.6
12594
Not enough data
Business Instant Messaging
8.4
9094
Not enough data
8.1
8469
Not enough data
Business Instant Messaging
9.1
12526
Not enough data
9.2
12193
Not enough data
9.0
10650
Not enough data
Generative AI - Business Instant Messaging
7.3
635
Not enough data
AI - Business Instant Messaging
7.4
637
Not enough data
8.0
633
Not enough data
7.3
630
Not enough data
7.3
632
Not enough data
Agentic AI - Business Instant Messaging
7.5
53
Not enough data
7.4
52
Not enough data
Setup
9.2
335
Not enough data
9.0
333
Not enough data
8.8
327
Not enough data
9.1
333
Not enough data
Management
9.0
328
Not enough data
8.8
321
Not enough data
9.0
323
Not enough data
Generative AI
7.7
287
Not enough data
Agentic AI - Workflow Management
8.5
8
Not enough data
8.8
8
Not enough data
8.8
8
Not enough data
8.3
8
Not enough data
8.3
8
Not enough data
8.5
8
Not enough data
8.3
8
Not enough data
Account Options
9.6
89
Not enough data
8.5
87
Not enough data
8.9
85
Not enough data
9.1
89
Not enough data
9.3
89
Not enough data
9.3
87
Not enough data
Q&A Tools
9.2
89
Not enough data
9.4
87
Not enough data
9.3
90
Not enough data
8.9
85
Not enough data
9.3
85
Not enough data
9.0
84
Not enough data
8.8
82
Not enough data
9.2
84
Not enough data
8.6
82
Not enough data
Knowledge Pages
8.4
120
Not enough data
8.4
122
Not enough data
8.5
118
Not enough data
8.0
115
Not enough data
8.0
118
Not enough data
7.9
116
Not enough data
8.4
114
Not enough data
Knowledge Dissemination
8.2
117
Not enough data
8.6
116
Not enough data
8.9
117
Not enough data
9.0
118
Not enough data
8.2
117
Not enough data
8.1
114
Not enough data
8.6
115
Not enough data
8.6
113
Not enough data
8.6
113
Not enough data
Agentic AI - Knowledge Base
7.1
12
Not enough data
7.2
12
Not enough data
7.2
12
Not enough data
Login Options
9.2
313
Not enough data
8.6
304
Not enough data
Productivity
8.2
294
Not enough data
8.5
297
Not enough data
8.7
296
Not enough data
8.0
289
Not enough data
8.1
287
Not enough data
Customization
8.8
292
Not enough data
9.2
299
Not enough data
8.9
290
Not enough data
Agentic AI - Unified Workspaces
7.5
30
Not enough data
7.7
31
Not enough data
Compatibility
9.0
33
Not enough data
9.0
34
Not enough data
8.8
31
Not enough data
Agentic AI - Enterprise Search Software
6.7
6
Not enough data
6.9
6
Not enough data
8.1
6
Not enough data
7.5
6
Not enough data
7.2
6
Not enough data
7.5
6
Not enough data
7.8
6
Not enough data
Search Queries
8.7
33
Not enough data
9.0
32
Not enough data
8.6
32
Not enough data
9.1
32
Not enough data
9.0
31
Not enough data
Functionality
8.8
32
Not enough data
9.2
31
Not enough data
9.1
33
Not enough data
Automation
8.9
598
Not enough data
8.9
591
Not enough data
8.6
577
Not enough data
Administration
8.8
586
Not enough data
8.7
576
Not enough data
9.4
588
Not enough data
Project management
8.8
584
Not enough data
8.6
575
Not enough data
8.7
578
Not enough data
8.6
569
Not enough data
8.7
570
Not enough data
8.5
561
Not enough data
8.3
566
Not enough data
Workload
8.5
554
Not enough data
8.8
560
Not enough data
8.6
554
Not enough data
8.6
552
Not enough data
Communication & Collaboration
9.3
568
Not enough data
9.0
567
Not enough data
9.4
567
Not enough data
Cost Management
8.2
548
Not enough data
8.3
550
Not enough data
8.2
547
Not enough data
Integration
8.6
552
Not enough data
8.5
549
Not enough data
8.4
543
Not enough data
Generative AI
7.4
525
Not enough data
7.5
524
Not enough data
Agentic AI - Work Management
8.4
35
Not enough data
8.6
36
Not enough data
8.8
36
Not enough data
8.5
35
Not enough data
Communication
9.5
568
Not enough data
9.3
570
Not enough data
8.9
556
Not enough data
9.0
554
Not enough data
9.2
553
Not enough data
Content & Documents
9.2
559
Not enough data
9.0
553
Not enough data
8.8
554
Not enough data
8.2
536
Not enough data
Controls
8.3
535
Not enough data
8.1
528
Not enough data
8.7
528
Not enough data
8.4
526
Not enough data
8.2
520
Not enough data
Project Management
8.5
523
Not enough data
8.4
520
Not enough data
8.6
520
Not enough data
8.7
521
Not enough data
Remote Collaboration
9.1
525
Not enough data
8.8
515
Not enough data
9.1
522
Not enough data
7.9
516
Not enough data
Generative AI
7.1
496
Not enough data
7.2
496
Not enough data
Agentic AI - Project Collaboration
7.5
29
Not enough data
7.7
29
Not enough data
Collaboration Tools
9.2
900
Not enough data
9.0
861
Not enough data
8.6
810
Not enough data
9.4
889
Not enough data
8.9
822
Not enough data
Meeting Coordination
8.9
830
Not enough data
8.7
820
Not enough data
8.9
821
Not enough data
9.2
850
Not enough data
Software Type
9.3
889
Not enough data
9.0
857
Not enough data
9.5
894
Not enough data
Agentic AI - Video Conferencing
8.0
9
Not enough data
8.5
9
Not enough data
8.0
9
Not enough data
Content & Community Features - Enterprise Social Networking (ESN)
Not enough data
7.8
6
Not enough data
9.2
6
Not enough data
9.4
6
Not enough data
9.2
6
Admin & Reporting Features - Enterprise Social Networking (ESN)
Not enough data
8.9
6
Not enough data
9.2
6
Not enough data
8.6
6
Not enough data
8.9
6
Not enough data
8.9
6
Agentic AI - Enterprise Social Networking (ESN)
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Agentic AI - Audio Conferencing
7.9
20
Not enough data
7.8
20
Not enough data
Agentic AI - Employee Intranet
Not enough data
Not enough data
Not enough data
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 Yammer share no categories
Reviews
Reviewers' Company Size
Slack
Small-Business(50 or fewer emp.)
Mid-Market(51-1000 emp.)
Enterprise(> 1000 emp.)
Yammer
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
15.2%
Information Technology and Services
12.7%
Marketing and Advertising
8.6%
Internet
4.9%
Higher Education
3.4%
Other
55.2%
Information Technology and Services
14.9%
Computer Software
6.8%
Hospital & Health Care
5.2%
Education Management
3.9%
Higher Education
3.8%
Other
65.3%
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.
Yammer
Most Helpful Favorable Review
Steve R.
Verified User in Marketing and Advertising
I started the Yammer network at my firm shortly after it was first featured at TC50 and I was (and still am) a huge champion for what the platform offers. It had an immediate and far-reaching impact on our organization and it gave a voice to everyone in a...
Most Helpful Critical Review
Vrena R.
Verified User in Computer Software
Its just another social network, nothing to special about it. After a week after my company signed up for it every one stopped using it.
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...
Steve R.
Verified User in Marketing and Advertising
I started the Yammer network at my firm shortly after it was first featured at TC50 and I was (and still am) a huge champion for what the platform offers. It had an immediate and far-reaching impact on our organization and it gave a voice to everyone in a...
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.
Vrena R.
Verified User in Computer Software
Its just another social network, nothing to special about it. After a week after my company signed up for it every one stopped using it.
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
Yammer and Office integration
1 comment
HL
Hi, the product is Microsoft owned and as such works well with the overall suite. Recently, they seem to be investing heavily in Teams also which has some...Read more
How do you turn off the annoying email notifications that give me updates?
1 comment
LF
Constantly. I turn them off or try to opt out as much as possible. I have an entire email nearly dedicated to spam notices.Read more
Whats the best way to use Yammer is it only for sharing an update or a post?
1 comment
GG
in the application but the Web interface is not bad at allRead more
Hunting for software insights?
With over 3 million reviews, we can provide the specific details that help you make an informed software buying decision for your business. Finding the right product is important, let us help.
