Compare Output Messenger and Slack 
Featured Products
At a Glance
Market Segments
Small-Business (53.3% of reviews)
Small-Business (41.0% of reviews)
Entry-Level Pricing
$30
$0.00
Output Messenger
Star Rating
(16)4.2 out of 5
Market Segments
Small-Business (53.3% of reviews)
Pros & Cons
Entry-Level Pricing
$30
Browse all 4 pricing plansSlack
Star Rating
(38,777)4.5 out of 5
Market Segments
Small-Business (41.0% 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 team communication, with users highlighting its ability to create secure channels for private discussions and seamless integrations with popular tools like Google and Microsoft apps. This versatility makes it a preferred choice for many businesses.
- Users say that Output Messenger offers quick messaging capabilities, allowing for instant communication without delays. This feature is particularly appreciated for day-to-day conversations and managing important notes, making it a solid option for teams looking for straightforward communication.
- Reviewers mention that Slack's user experience is highly rated, with a focus on intuitive design and ease of use. Many users have expressed satisfaction with its features, such as reactions and the overall interface, which contribute to a positive daily workflow.
- According to verified reviews, Output Messenger is praised for its easy file sharing feature, enabling users to send documents quickly. This functionality is beneficial for teams that need to share important files rapidly, although it may not offer the same level of integration as Slack.
- G2 reviewers highlight that Slack's support quality is notably higher, with users reporting effective assistance when needed. This reliability in support can be crucial for businesses that require prompt help to resolve issues, setting Slack apart in this area.
- Users find that while Output Messenger has a user-friendly interface, it may not match the extensive feature set and flexibility of Slack. This can be a limitation for teams that need more advanced functionalities and integrations to enhance their collaboration efforts.
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
13
9.2
31,477
Ease of Use
8.7
13
9.2
32,352
Ease of Setup
9.0
5
9.2
8,686
Ease of Admin
Not enough data
8.9
5,291
Quality of Support
7.7
11
8.8
21,899
Has the product been a good partner in doing business?
Not enough data
9.1
4,772
Product Direction (% positive)
7.3
13
8.7
30,726
Features by Category
Business Instant Messaging
9.4
6
9.1
13956
9.2
6
9.0
14495
9.2
6
8.6
13786
Business Instant Messaging
9.0
5
8.5
10238
9.0
5
8.1
9576
Business Instant Messaging
Not enough data
9.1
13676
Not enough data
9.2
13287
Not enough data
9.0
11835
Generative AI - Business Instant Messaging
Not enough data
7.6
1500
AI - Business Instant Messaging
Not enough data
7.5
1484
Not enough data
7.9
1489
Not enough data
7.4
1465
Not enough data
7.4
1467
Agentic AI - Business Instant Messaging
Not enough data
7.7
892
Not enough data
7.7
878
Setup
Not enough data
9.1
683
Not enough data
8.9
676
Not enough data
8.7
653
Not enough data
8.9
692
Management
Not enough data
9.0
666
Not enough data
8.7
646
Not enough data
8.9
663
Generative AI
Not enough data
7.8
564
Agentic AI - Workflow Management
Not enough data
7.7
283
Not enough data
8.0
279
Not enough data
8.1
288
Not enough data
8.0
285
Not enough data
8.0
284
Not enough data
7.9
285
Not enough data
8.1
285
Account Options
Not enough data
9.2
288
Not enough data
8.4
282
Not enough data
8.7
275
Not enough data
8.7
280
Not enough data
8.9
286
Not enough data
8.9
284
Q&A Tools
Not enough data
9.1
289
Not enough data
9.1
283
Not enough data
9.1
290
Not enough data
8.7
276
Not enough data
9.1
284
Not enough data
8.9
279
Not enough data
8.6
272
Not enough data
8.9
275
Not enough data
8.5
271
Knowledge Pages
Not enough data
8.5
346
Not enough data
8.3
346
Not enough data
8.1
336
Not enough data
8.1
333
Not enough data
8.0
328
Not enough data
8.4
333
Knowledge Dissemination
Not enough data
8.2
324
Not enough data
8.8
330
Not enough data
9.0
337
Not enough data
8.9
336
Not enough data
8.4
333
Not enough data
8.3
321
Not enough data
8.7
336
Not enough data
8.6
324
Not enough data
8.6
318
Agentic AI - Knowledge Base
Not enough data
7.9
201
Not enough data
8.0
203
Not enough data
7.9
201
Login Options
Not enough data
9.1
776
Not enough data
8.5
743
Productivity
Not enough data
8.0
732
Not enough data
8.3
736
Not enough data
8.6
742
Not enough data
7.9
716
Not enough data
7.9
710
Customization
Not enough data
8.6
741
Not enough data
9.0
755
Not enough data
8.7
722
Agentic AI - Unified Workspaces
Not enough data
7.5
410
Not enough data
7.6
407
Compatibility
Not enough data
9.0
97
Not enough data
9.1
98
Not enough data
8.9
90
Agentic AI - Enterprise Search Software
Not enough data
8.6
60
Not enough data
8.5
57
Not enough data
9.0
58
Not enough data
8.6
58
Not enough data
8.7
58
Not enough data
8.8
57
Search Queries
Not enough data
8.8
95
Not enough data
9.2
95
Not enough data
8.8
91
Not enough data
9.1
93
Not enough data
9.0
91
AI powered search - Enterprise Search Software
Not enough data
9.2
24
Not enough data
9.2
25
Not enough data
8.9
23
Functionality
Not enough data
8.9
90
Not enough data
8.9
91
Not enough data
9.1
96
Compatibility - Enterprise Search Software
Not enough data
9.4
27
Not enough data
9.3
25
Not enough data
9.1
26
Functionality - Enterprise Search Software
Not enough data
9.3
27
Not enough data
9.1
25
Not enough data
9.5
28
Search Queries - Enterprise Search Software
Not enough data
9.4
25
Not enough data
9.2
23
Not enough data
9.2
26
Not enough data
9.4
26
Automation
Not enough data
8.8
1234
Not enough data
8.8
1196
Not enough data
8.5
1170
Administration
Not enough data
8.8
1192
Not enough data
8.6
1135
Not enough data
9.4
1323
Project management
Not enough data
8.7
1167
Not enough data
8.5
1119
Not enough data
8.6
1140
Not enough data
8.5
1131
Not enough data
8.6
1136
Not enough data
8.3
1098
Not enough data
8.3
1124
Workload
Not enough data
8.4
1081
Not enough data
8.8
1163
Not enough data
8.6
1096
Not enough data
8.5
1090
Communication & Collaboration
Not enough data
9.4
1664
Not enough data
9.0
1294
Not enough data
9.4
1430
Cost Management
Not enough data
8.0
1073
Not enough data
8.2
1074
Not enough data
8.1
1067
Integration
Not enough data
8.7
1225
Not enough data
8.4
1083
Not enough data
8.4
1086
Generative AI
Not enough data
7.5
1024
Not enough data
7.7
1035
Agentic AI - Work Management
Not enough data
7.7
520
Not enough data
7.8
515
Not enough data
8.2
538
Not enough data
7.8
518
Communication
Not enough data
9.4
1187
Not enough data
9.4
1149
Not enough data
8.9
1061
Not enough data
8.9
1043
Not enough data
9.1
1057
Content & Documents
Not enough data
9.2
1109
Not enough data
8.9
1048
Not enough data
8.7
1071
Not enough data
8.2
1010
Controls
Not enough data
8.3
996
Not enough data
8.1
991
Not enough data
8.7
1005
Not enough data
8.4
1009
Not enough data
8.2
980
Project Management
Not enough data
8.4
1008
Not enough data
8.3
983
Not enough data
8.5
992
Not enough data
8.7
1000
Remote Collaboration
Not enough data
9.0
1002
Not enough data
8.7
977
Not enough data
9.0
995
Not enough data
7.9
962
Generative AI
Not enough data
7.3
933
Not enough data
7.4
935
Agentic AI - Project Collaboration
Not enough data
7.5
442
Not enough data
7.7
446
Agentic AI - Audio Conferencing
Not enough data
7.5
282
Not enough data
7.7
283
Action Item Detection - AI Note-taking Software
Not enough data
9.1
15
Not enough data
9.3
15
Automatic Transcription - AI Note-taking Software
Not enough data
9.6
16
Collaboration & Sharing - AI Note-taking Software
Not enough data
9.4
15
Language & Accent Support - AI Note-taking Software
Not enough data
9.4
16
Multi-Platform Integration - AI Note-taking Software
Not enough data
9.2
16
Privacy & Security Controls - AI Note-taking Software
Not enough data
9.1
17
Searchable Note Archives - AI Note-taking Software
Not enough data
8.9
14
Speaker Identification - AI Note-taking Software
Not enough data
9.3
16
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
15.4%
Staffing and Recruiting
7.7%
Online Media
7.7%
Newspapers
7.7%
Marketing and Advertising
7.7%
Other
53.8%
Computer Software
15.4%
Information Technology and Services
13.1%
Marketing and Advertising
8.5%
Internet
4.6%
Financial Services
3.4%
Other
55.0%
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
OP
Currently, Slack has disabled deleting a channel, you can only archive it if you created it.Read more
What does slack software do?
28 Comments
GM
Slack is a messaging software perfect for companies, it allows you to create channels (groups), it let's you answer to messages in threads and react to...Read more
What is Slack used for?
22 Comments
RR
It connect us with the people no matter where we are through messaging and calls.Read more
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