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Compare Output Messenger and Slack 
Featured Products
At a Glance
Market Segments
Mid-Market (45.5% of reviews)
Small-Business (41.2% of reviews)
Entry-Level Pricing
$30
$0.00
Output Messenger
Star Rating
(12)4.2 out of 5
Market Segments
Mid-Market (45.5% of reviews)
Pros & Cons
Entry-Level Pricing
$30
Browse all 4 pricing plansSlack
Star Rating
(38,149)4.5 out of 5
Market Segments
Small-Business (41.2% of reviews)
Pros & Cons
Entry-Level Pricing
$0.00
Browse all 4 pricing plansSummary
AI Generated Summary
AI-generated. Powered by real user reviews.
- G2 reviewers report that Slack excels in user satisfaction, with many praising its swift and easy-to-use interface. Users appreciate the ability to integrate with other software, which significantly enhances their day-to-day work experience.
- Users say that Output Messenger offers a user-friendly interface that is particularly appealing to new users. They highlight its simplicity and speed, making it easy to communicate and share files effectively.
- Reviewers mention that Slack's implementation process is notably quick and intuitive, with features like threaded discussions helping to keep channels organized and clutter-free, which is a significant advantage for teams managing multiple projects.
- According to verified reviews, Output Messenger is recognized for its professional application in managing business communications. Users find its dashboard and features to be visually appealing and easy to navigate, although it may not have the same level of advanced functionalities as Slack.
- G2 reviewers highlight that Slack's quality of support is superior, with many users noting that they receive timely assistance and resources, which enhances their overall experience with the platform.
- Users report that while Output Messenger is effective for basic messaging needs, it may not meet the more complex requirements of larger teams or businesses, as evidenced by its lower overall satisfaction ratings compared to Slack.
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
Free Trial
Output Messenger
No trial information availableSlack
Free Trial is available
Ratings
Meets Requirements
8.6
11
9.2
31,131
Ease of Use
8.5
11
9.2
32,062
Ease of Setup
Not enough data
9.2
8,441
Ease of Admin
Not enough data
8.9
5,052
Quality of Support
7.6
9
8.8
21,661
Has the product been a good partner in doing business?
Not enough data
9.0
4,532
Product Direction (% positive)
6.8
11
8.7
30,437
Features by Category
Business Instant Messaging
Not enough data
9.1
13912
9.0
5
9.0
14457
9.0
5
8.6
13762
Business Instant Messaging
Not enough data
8.5
10213
Not enough data
8.1
9544
Business Instant Messaging
Not enough data
9.1
13645
Not enough data
9.2
13273
Not enough data
9.0
11798
Generative AI - Business Instant Messaging
Not enough data
7.5
1497
AI - Business Instant Messaging
Not enough data
7.5
1484
Not enough data
7.9
1486
Not enough data
7.4
1465
Not enough data
7.4
1468
Agentic AI - Business Instant Messaging
Not enough data
7.7
894
Not enough data
7.7
883
Setup
Not enough data
9.1
687
Not enough data
8.9
677
Not enough data
8.7
661
Not enough data
8.9
694
Management
Not enough data
9.0
669
Not enough data
8.7
654
Not enough data
8.9
668
Generative AI
Not enough data
7.8
573
Agentic AI - Workflow Management
Not enough data
7.8
290
Not enough data
8.0
286
Not enough data
8.2
294
Not enough data
8.0
291
Not enough data
8.0
291
Not enough data
7.9
291
Not enough data
8.1
291
Account Options
Not enough data
9.2
286
Not enough data
8.4
280
Not enough data
8.7
275
Not enough data
8.7
279
Not enough data
8.9
285
Not enough data
8.9
282
Q&A Tools
Not enough data
9.1
286
Not enough data
9.1
282
Not enough data
9.1
288
Not enough data
8.7
275
Not enough data
9.1
281
Not enough data
8.9
278
Not enough data
8.6
271
Not enough data
8.9
274
Not enough data
8.5
271
Knowledge Pages
Not enough data
8.5
343
Not enough data
8.3
343
Not enough data
8.1
334
Not enough data
8.1
331
Not enough data
7.9
326
Not enough data
8.4
330
Knowledge Dissemination
Not enough data
8.2
322
Not enough data
8.8
329
Not enough data
9.0
333
Not enough data
8.9
332
Not enough data
8.4
329
Not enough data
8.2
318
Not enough data
8.7
333
Not enough data
8.6
321
Not enough data
8.6
316
Agentic AI - Knowledge Base
Not enough data
7.9
197
Not enough data
8.0
199
Not enough data
7.8
197
Login Options
Not enough data
9.1
765
Not enough data
8.5
742
Productivity
Not enough data
8.0
726
Not enough data
8.3
732
Not enough data
8.6
737
Not enough data
7.9
711
Not enough data
7.9
708
Customization
Not enough data
8.6
731
Not enough data
9.0
745
Not enough data
8.7
716
Agentic AI - Unified Workspaces
Not enough data
7.5
409
Not enough data
7.6
406
Compatibility
Not enough data
9.0
93
Not enough data
9.1
98
Not enough data
9.0
91
Agentic AI - Enterprise Search Software
Not enough data
8.6
62
Not enough data
8.5
58
Not enough data
9.0
60
Not enough data
8.7
60
Not enough data
8.7
60
Not enough data
8.8
58
Search Queries
Not enough data
8.8
92
Not enough data
9.2
92
Not enough data
8.8
90
Not enough data
9.1
92
Not enough data
9.0
90
AI powered search - Enterprise Search Software
Not enough data
9.2
24
Not enough data
9.2
25
Not enough data
9.0
24
Functionality
Not enough data
8.9
91
Not enough data
9.0
90
Not enough data
9.1
95
Compatibility - Enterprise Search Software
Not enough data
9.4
28
Not enough data
9.4
26
Not enough data
9.2
26
Functionality - Enterprise Search Software
Not enough data
9.3
27
Not enough data
9.3
26
Not enough data
9.5
28
Search Queries - Enterprise Search Software
Not enough data
9.4
26
Not enough data
9.3
24
Not enough data
9.2
27
Not enough data
9.4
27
Automation
Not enough data
8.8
1221
Not enough data
8.8
1177
Not enough data
8.5
1156
Administration
Not enough data
8.8
1178
Not enough data
8.6
1135
Not enough data
9.4
1224
Project management
Not enough data
8.7
1158
Not enough data
8.5
1122
Not enough data
8.6
1142
Not enough data
8.5
1126
Not enough data
8.6
1126
Not enough data
8.3
1096
Not enough data
8.3
1123
Workload
Not enough data
8.4
1085
Not enough data
8.8
1135
Not enough data
8.6
1090
Not enough data
8.5
1082
Communication & Collaboration
Not enough data
9.3
1413
Not enough data
9.0
1204
Not enough data
9.3
1284
Cost Management
Not enough data
8.1
1072
Not enough data
8.2
1073
Not enough data
8.1
1065
Integration
Not enough data
8.6
1110
Not enough data
8.4
1071
Not enough data
8.4
1063
Generative AI
Not enough data
7.5
1018
Not enough data
7.7
1013
Agentic AI - Work Management
Not enough data
7.7
521
Not enough data
7.8
514
Not enough data
8.1
518
Not enough data
7.8
516
Communication
Not enough data
9.4
1182
Not enough data
9.3
1176
Not enough data
8.9
1054
Not enough data
8.9
1043
Not enough data
9.1
1047
Content & Documents
Not enough data
9.1
1098
Not enough data
8.9
1043
Not enough data
8.7
1062
Not enough data
8.1
1006
Controls
Not enough data
8.3
991
Not enough data
8.1
986
Not enough data
8.7
997
Not enough data
8.4
1001
Not enough data
8.2
971
Project Management
Not enough data
8.4
996
Not enough data
8.4
976
Not enough data
8.5
994
Not enough data
8.7
986
Remote Collaboration
Not enough data
9.0
1003
Not enough data
8.7
972
Not enough data
9.0
990
Not enough data
7.8
961
Generative AI
Not enough data
7.3
928
Not enough data
7.4
924
Agentic AI - Project Collaboration
Not enough data
7.5
440
Not enough data
7.7
442
Agentic AI - Audio Conferencing
Not enough data
7.5
282
Not enough data
7.6
282
Action Item Detection - AI Note-taking Software
Not enough data
9.3
19
Not enough data
9.5
19
Automatic Transcription - AI Note-taking Software
Not enough data
9.7
20
Collaboration & Sharing - AI Note-taking Software
Not enough data
9.6
19
Language & Accent Support - AI Note-taking Software
Not enough data
9.5
20
Multi-Platform Integration - AI Note-taking Software
Not enough data
9.3
20
Privacy & Security Controls - AI Note-taking Software
Not enough data
9.3
21
Searchable Note Archives - AI Note-taking Software
Not enough data
9.2
18
Speaker Identification - AI Note-taking Software
Not enough data
9.4
20
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
Output Messenger and Slack are categorized as Business Instant Messaging
Unique Categories
Output Messenger has no unique categories
Slack is categorized as Knowledge Base, Unified Workspaces, Work Management, Enterprise Search Software, Q&A Platforms, AI Note-Taking Software, Project Collaboration, Workflow Management, and Audio Conferencing
Reviews
Reviewers' Company Size
Output Messenger
Small-Business(50 or fewer emp.)
Mid-Market(51-1000 emp.)
Enterprise(> 1000 emp.)
Slack
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
Real Estate
18.2%
Staffing and Recruiting
9.1%
Online Media
9.1%
Newspapers
9.1%
Luxury Goods & Jewelry
9.1%
Other
45.5%
Computer Software
15.3%
Information Technology and Services
13.1%
Marketing and Advertising
8.7%
Internet
4.7%
Education Management
3.3%
Other
54.9%
Discussions
What is your best way of using this app for mass messenger marketing?
1 Comment
JV
Hi,
I have been using this for the past 3-4 years as far as my knowledge, this app is not for marketing. Read more
Output Messenger has no more discussions with answers
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
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