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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
(38,155)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
31,138
Ease of Use
8.5
11
9.2
32,069
Ease of Setup
Not enough data
9.2
8,448
Ease of Admin
Not enough data
8.9
5,054
Quality of Support
7.6
9
8.8
21,668
Has the product been a good partner in doing business?
Not enough data
9.0
4,534
Product Direction (% positive)
6.8
11
8.7
30,444
Features by Category
Business Instant Messaging
Not enough data
9.1
13917
9.0
5
9.0
14462
9.0
5
8.6
13765
Business Instant Messaging
Not enough data
8.5
10217
Not enough data
8.1
9548
Business Instant Messaging
Not enough data
9.1
13650
Not enough data
9.2
13276
Not enough data
9.0
11801
Generative AI - Business Instant Messaging
Not enough data
7.6
1499
AI - Business Instant Messaging
Not enough data
7.5
1485
Not enough data
7.9
1488
Not enough data
7.4
1466
Not enough data
7.4
1469
Agentic AI - Business Instant Messaging
Not enough data
7.7
896
Not enough data
7.7
884
Setup
Not enough data
9.1
688
Not enough data
8.9
678
Not enough data
8.7
662
Not enough data
8.9
696
Management
Not enough data
9.0
671
Not enough data
8.7
654
Not enough data
8.9
669
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
295
Not enough data
8.0
292
Not enough data
8.0
291
Not enough data
7.9
291
Not enough data
8.1
293
Account Options
Not enough data
9.2
287
Not enough data
8.4
281
Not enough data
8.7
276
Not enough data
8.7
280
Not enough data
8.9
286
Not enough data
8.9
283
Q&A Tools
Not enough data
9.1
287
Not enough data
9.1
283
Not enough data
9.1
289
Not enough data
8.7
276
Not enough data
9.1
282
Not enough data
8.9
279
Not enough data
8.6
272
Not enough data
8.9
275
Not enough data
8.5
272
Knowledge Pages
Not enough data
8.5
344
Not enough data
8.3
344
Not enough data
8.1
335
Not enough data
8.1
332
Not enough data
8.0
327
Not enough data
8.4
331
Knowledge Dissemination
Not enough data
8.2
323
Not enough data
8.8
330
Not enough data
9.0
334
Not enough data
8.9
333
Not enough data
8.4
330
Not enough data
8.2
319
Not enough data
8.7
334
Not enough data
8.6
322
Not enough data
8.6
317
Agentic AI - Knowledge Base
Not enough data
7.9
198
Not enough data
8.0
200
Not enough data
7.8
198
Login Options
Not enough data
9.1
767
Not enough data
8.5
743
Productivity
Not enough data
8.0
729
Not enough data
8.3
733
Not enough data
8.6
738
Not enough data
7.9
712
Not enough data
7.9
710
Customization
Not enough data
8.6
733
Not enough data
9.0
747
Not enough data
8.7
718
Agentic AI - Unified Workspaces
Not enough data
7.5
411
Not enough data
7.6
408
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
1222
Not enough data
8.8
1178
Not enough data
8.5
1157
Administration
Not enough data
8.8
1179
Not enough data
8.6
1136
Not enough data
9.4
1225
Project management
Not enough data
8.7
1160
Not enough data
8.5
1123
Not enough data
8.6
1143
Not enough data
8.5
1127
Not enough data
8.6
1127
Not enough data
8.3
1097
Not enough data
8.3
1124
Workload
Not enough data
8.4
1086
Not enough data
8.8
1137
Not enough data
8.6
1091
Not enough data
8.5
1083
Communication & Collaboration
Not enough data
9.3
1417
Not enough data
9.0
1205
Not enough data
9.3
1286
Cost Management
Not enough data
8.1
1073
Not enough data
8.2
1074
Not enough data
8.1
1066
Integration
Not enough data
8.6
1111
Not enough data
8.4
1071
Not enough data
8.4
1065
Generative AI
Not enough data
7.5
1019
Not enough data
7.7
1014
Agentic AI - Work Management
Not enough data
7.7
522
Not enough data
7.8
515
Not enough data
8.1
520
Not enough data
7.8
517
Communication
Not enough data
9.4
1185
Not enough data
9.3
1178
Not enough data
8.9
1056
Not enough data
8.9
1045
Not enough data
9.1
1050
Content & Documents
Not enough data
9.1
1101
Not enough data
8.9
1046
Not enough data
8.7
1065
Not enough data
8.1
1008
Controls
Not enough data
8.3
993
Not enough data
8.1
988
Not enough data
8.7
999
Not enough data
8.4
1004
Not enough data
8.2
973
Project Management
Not enough data
8.4
998
Not enough data
8.4
979
Not enough data
8.5
997
Not enough data
8.7
988
Remote Collaboration
Not enough data
9.0
1005
Not enough data
8.7
974
Not enough data
9.0
992
Not enough data
7.8
961
Generative AI
Not enough data
7.3
929
Not enough data
7.4
926
Agentic AI - Project Collaboration
Not enough data
7.5
441
Not enough data
7.7
444
Agentic AI - Audio Conferencing
Not enough data
7.5
283
Not enough data
7.7
283
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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