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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
(38,164)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 facilitating organized team communication, with features like channels that keep conversations structured and easy to follow. Users appreciate the seamless real-time collaboration, which is enhanced by integrations with tools like Procore for project management.
- Users say Output Messenger is effective for day-to-day conversations and managing important notes, making it a solid choice for casual communication. Its user-friendly interface is highlighted as a major plus, especially for new users who find it easy to navigate.
- Reviewers mention that Slack's implementation process is quick and intuitive, allowing teams to get up and running without significant delays. This ease of setup is a key factor for many organizations looking to adopt a new communication tool.
- According to verified reviews, Slack's overall satisfaction ratings are significantly higher, indicating that users feel it meets their needs more effectively. The platform's ability to serve as a central hub for team collaboration is frequently praised.
- Users highlight that while Output Messenger is great for basic communication, it may not offer the same level of advanced features and integrations that Slack provides, which can limit its effectiveness for larger teams or more complex projects.
- G2 reviewers note that Slack's support quality is generally rated higher, with users appreciating the responsive assistance they receive. In contrast, Output Messenger's support has received mixed feedback, suggesting room for improvement in this area.
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
31,140
Ease of Use
8.5
11
9.2
32,070
Ease of Setup
Not enough data
9.2
8,448
Ease of Admin
Not enough data
8.9
5,050
Quality of Support
7.6
9
8.8
21,666
Has the product been a good partner in doing business?
Not enough data
9.0
4,529
Product Direction (% positive)
6.8
11
8.7
30,443
Features by Category
Business Instant Messaging
Not enough data
9.1
13917
9.0
5
9.0
14464
9.0
5
8.6
13763
Business Instant Messaging
Not enough data
8.5
10216
Not enough data
8.1
9546
Business Instant Messaging
Not enough data
9.1
13647
Not enough data
9.2
13272
Not enough data
9.0
11804
Generative AI - Business Instant Messaging
Not enough data
7.5
1498
AI - Business Instant Messaging
Not enough data
7.5
1484
Not enough data
7.9
1487
Not enough data
7.4
1465
Not enough data
7.4
1468
Agentic AI - Business Instant Messaging
Not enough data
7.7
895
Not enough data
7.7
883
Setup
Not enough data
9.1
686
Not enough data
8.9
675
Not enough data
8.7
659
Not enough data
8.9
693
Management
Not enough data
9.0
668
Not enough data
8.7
651
Not enough data
8.9
666
Generative AI
Not enough data
7.8
570
Agentic AI - Workflow Management
Not enough data
7.8
288
Not enough data
8.0
284
Not enough data
8.1
293
Not enough data
8.0
290
Not enough data
8.0
289
Not enough data
7.9
289
Not enough data
8.1
291
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
345
Not enough data
8.3
345
Not enough data
8.1
336
Not enough data
8.1
333
Not enough data
8.0
328
Not enough data
8.4
332
Knowledge Dissemination
Not enough data
8.2
324
Not enough data
8.8
331
Not enough data
9.0
335
Not enough data
9.0
334
Not enough data
8.4
331
Not enough data
8.3
320
Not enough data
8.7
335
Not enough data
8.6
323
Not enough data
8.6
318
Agentic AI - Knowledge Base
Not enough data
7.9
199
Not enough data
8.0
201
Not enough data
7.9
199
Login Options
Not enough data
9.1
767
Not enough data
8.5
742
Productivity
Not enough data
8.0
728
Not enough data
8.3
732
Not enough data
8.6
737
Not enough data
7.9
711
Not enough data
7.9
709
Customization
Not enough data
8.6
732
Not enough data
9.0
746
Not enough data
8.7
717
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
1219
Not enough data
8.8
1177
Not enough data
8.5
1154
Administration
Not enough data
8.8
1177
Not enough data
8.6
1134
Not enough data
9.4
1223
Project management
Not enough data
8.7
1158
Not enough data
8.5
1121
Not enough data
8.6
1141
Not enough data
8.5
1125
Not enough data
8.6
1125
Not enough data
8.3
1095
Not enough data
8.3
1123
Workload
Not enough data
8.4
1084
Not enough data
8.8
1136
Not enough data
8.6
1089
Not enough data
8.5
1081
Communication & Collaboration
Not enough data
9.3
1419
Not enough data
9.0
1206
Not enough data
9.3
1280
Cost Management
Not enough data
8.1
1071
Not enough data
8.2
1072
Not enough data
8.1
1064
Integration
Not enough data
8.6
1109
Not enough data
8.4
1069
Not enough data
8.4
1061
Generative AI
Not enough data
7.5
1017
Not enough data
7.7
1014
Agentic AI - Work Management
Not enough data
7.7
520
Not enough data
7.8
513
Not enough data
8.1
518
Not enough data
7.8
515
Communication
Not enough data
9.4
1183
Not enough data
9.3
1175
Not enough data
8.9
1054
Not enough data
8.9
1043
Not enough data
9.1
1048
Content & Documents
Not enough data
9.1
1100
Not enough data
8.9
1044
Not enough data
8.7
1063
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
1003
Not enough data
8.2
971
Project Management
Not enough data
8.4
996
Not enough data
8.4
977
Not enough data
8.5
995
Not enough data
8.7
987
Remote Collaboration
Not enough data
9.0
1002
Not enough data
8.7
972
Not enough data
9.0
991
Not enough data
7.8
959
Generative AI
Not enough data
7.3
927
Not enough data
7.4
924
Agentic AI - Project Collaboration
Not enough data
7.5
439
Not enough data
7.7
442
Agentic AI - Audio Conferencing
Not enough data
7.5
282
Not enough data
7.7
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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