Compare Otter.ai and Slack 
At a Glance
Market Segments
Small-Business (73.4% of reviews)
Small-Business (41.2% of reviews)
Entry-Level Pricing
Free 1 User
$0.00
Otter.ai
Star Rating
(465)4.4 out of 5
Market Segments
Small-Business (73.4% of reviews)
Pros & Cons
Entry-Level Pricing
Free 1 User
Browse all 4 pricing plansSlack
Star Rating
(38,333)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 team communication, with users highlighting its ability to create secure channels for private discussions. This feature, along with its seamless integrations with popular tools like Google and Microsoft apps, makes it a preferred choice for many teams.
- Users say that Otter.ai significantly enhances productivity by automatically transcribing meetings and conversations. This feature saves users hours of note-taking each week, allowing them to focus on discussions while easily sharing transcripts with their teams.
- Reviewers mention that Slack's user experience is highly rated, with a score of 4.5, reflecting its intuitive interface and ease of use. Many users appreciate the quick implementation process, which helps teams get started without a steep learning curve.
- According to verified reviews, Otter.ai shines in summarizing conversations and extracting key points, making it particularly useful for users who need to capture important information from meetings, such as during doctor visits, without the distraction of taking notes.
- Users highlight that while Slack has a robust set of features for team collaboration, Otter.ai offers advanced capabilities in AI-powered transcription and summarization, which some users find more beneficial for their specific needs, especially in environments where detailed notes are crucial.
- Reviewers note that while Slack has a higher overall satisfaction score, Otter.ai's focus on transcription and summarization features appeals to users looking for specialized note-taking solutions, indicating that the best choice depends on the specific needs of the team or individual.
Pricing
Entry-Level Pricing
Otter.ai
Basic
Free
1 User
For those who want to give it a try
- Zoom, MS Teams, and Google Meet
- AI Chat within and across meetings
- AI meeting workflows
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
Otter.ai
Free Trial is available
Slack
Free Trial is available
Ratings
Meets Requirements
8.8
390
9.2
31,248
Ease of Use
9.0
395
9.2
32,191
Ease of Setup
9.0
289
9.2
8,555
Ease of Admin
8.6
93
8.9
5,091
Quality of Support
8.4
251
8.8
21,746
Has the product been a good partner in doing business?
8.5
86
9.0
4,569
Product Direction (% positive)
8.9
378
8.7
30,552
Features by Category
Lead Facilitation
Feature Not Available
Not enough data
6.1
67
Not enough data
Feature Not Available
Not enough data
6.8
16
Not enough data
Organization
Feature Not Available
Not enough data
8.4
67
Not enough data
7.6
17
Not enough data
Performance Analysis
6.6
68
Not enough data
6.8
67
Not enough data
Sales Analysis
Feature Not Available
Not enough data
Feature Not Available
Not enough data
Generative AI
8.1
61
Not enough data
8.6
60
Not enough data
Agentic AI - AI Sales Assistant
8.6
6
Not enough data
8.6
6
Not enough data
8.9
6
Not enough data
8.6
6
Not enough data
8.3
6
Not enough data
8.3
6
Not enough data
8.6
6
Not enough data
Business Instant Messaging
Feature Not Available
9.1
13945
8.9
11
9.0
14494
8.2
11
8.6
13786
Business Instant Messaging
Feature Not Available
8.5
10235
Feature Not Available
8.1
9561
Business Instant Messaging
8.2
11
9.1
13665
8.3
12
9.2
13285
8.5
11
9.0
11828
Generative AI - Business Instant Messaging
9.3
5
7.6
1508
AI - Business Instant Messaging
9.7
5
7.5
1492
9.7
5
7.9
1496
8.7
5
7.4
1474
9.0
5
7.4
1475
Agentic AI - Business Instant Messaging
Not enough data
7.7
902
Not enough data
7.7
889
Call Analytics
8.7
89
Not enough data
8.3
88
Not enough data
8.5
86
Not enough data
7.5
22
Not enough data
Artificial Intelligence - Conversation Intelligence
7.7
74
Not enough data
8.7
83
Not enough data
Not enough data
Not enough data
Generative AI
8.7
79
Not enough data
Agentic AI - Conversation Intelligence
8.2
23
Not enough data
8.2
23
Not enough data
8.0
23
Not enough data
8.3
23
Not enough data
8.3
22
Not enough data
8.2
22
Not enough data
7.7
22
Not enough data
Setup
Not enough data
9.1
689
Not enough data
8.9
678
Not enough data
8.7
661
Not enough data
8.9
696
Management
Not enough data
9.0
672
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
292
Not enough data
8.0
288
Not enough data
8.2
297
Not enough data
8.0
294
Not enough data
8.0
293
Not enough data
8.0
293
Not enough data
8.1
294
Account Options
Not enough data
9.2
288
Not enough data
8.4
282
Not enough data
8.7
278
Not enough data
8.7
281
Not enough data
9.0
288
Not enough data
8.9
285
Q&A Tools
Not enough data
9.1
289
Not enough data
9.1
285
Not enough data
9.1
291
Not enough data
8.7
278
Not enough data
9.1
285
Not enough data
8.9
282
Not enough data
8.6
274
Not enough data
8.9
277
Not enough data
8.5
274
Knowledge Pages
Not enough data
8.5
350
Not enough data
8.3
349
Not enough data
8.2
341
Not enough data
8.1
336
Not enough data
8.0
332
Not enough data
8.4
336
Knowledge Dissemination
Not enough data
8.2
326
Not enough data
8.8
335
Not enough data
9.0
340
Not enough data
9.0
337
Not enough data
8.4
336
Not enough data
8.3
325
Not enough data
8.7
340
Not enough data
8.7
326
Not enough data
8.6
322
Agentic AI - Knowledge Base
Not enough data
8.0
205
Not enough data
8.0
207
Not enough data
7.9
205
Login Options
Not enough data
9.1
773
Not enough data
8.5
748
Productivity
Not enough data
8.0
737
Not enough data
8.3
741
Not enough data
8.6
746
Not enough data
7.9
719
Not enough data
7.9
717
Customization
Not enough data
8.6
741
Not enough data
9.0
756
Not enough data
8.7
727
Agentic AI - Unified Workspaces
Not enough data
7.5
419
Not enough data
7.6
416
Compatibility
Not enough data
9.1
97
Not enough data
9.1
101
Not enough data
9.0
94
Agentic AI - Enterprise Search Software
Not enough data
8.7
65
Not enough data
8.6
61
Not enough data
9.0
63
Not enough data
8.8
63
Not enough data
8.8
63
Not enough data
8.9
61
Search Queries
Not enough data
8.9
97
Not enough data
9.2
95
Not enough data
8.8
93
Not enough data
9.1
94
Not enough data
9.0
94
AI powered search - Enterprise Search Software
Not enough data
9.3
28
Not enough data
9.3
29
Not enough data
9.2
28
Functionality
Not enough data
9.0
94
Not enough data
9.0
93
Not enough data
9.2
99
Compatibility - Enterprise Search Software
Not enough data
9.5
32
Not enough data
9.4
30
Not enough data
9.3
30
Functionality - Enterprise Search Software
Not enough data
9.4
31
Not enough data
9.4
30
Not enough data
9.6
33
Search Queries - Enterprise Search Software
Not enough data
9.5
30
Not enough data
9.4
28
Not enough data
9.3
31
Not enough data
9.5
31
Voice
8.5
184
Not enough data
8.0
197
Not enough data
Transcription
7.7
192
Not enough data
8.7
179
Not enough data
7.9
157
Not enough data
7.3
159
Not enough data
Editing
8.1
171
Not enough data
Feature Not Available
Not enough data
7.9
176
Not enough data
Feature Not Available
Not enough data
Integration
7.9
156
Not enough data
7.6
52
Not enough data
8.3
168
Not enough data
7.8
149
Not enough data
8.0
159
Not enough data
Agentic AI - Transcription
8.4
50
Not enough data
8.2
49
Not enough data
7.9
48
Not enough data
Automation
Not enough data
8.8
1231
Not enough data
8.8
1188
Not enough data
8.5
1163
Administration
Not enough data
8.8
1187
Not enough data
8.7
1141
Not enough data
9.4
1256
Project management
Not enough data
8.7
1171
Not enough data
8.5
1126
Not enough data
8.6
1150
Not enough data
8.5
1135
Not enough data
8.6
1135
Not enough data
8.3
1102
Not enough data
8.3
1131
Workload
Not enough data
8.4
1088
Not enough data
8.8
1149
Not enough data
8.6
1099
Not enough data
8.5
1093
Communication & Collaboration
Not enough data
9.3
1514
Not enough data
9.0
1238
Not enough data
9.4
1337
Cost Management
Not enough data
8.1
1078
Not enough data
8.2
1079
Not enough data
8.1
1072
Integration
Not enough data
8.6
1151
Not enough data
8.4
1082
Not enough data
8.4
1079
Generative AI
Not enough data
7.6
1027
Not enough data
7.7
1027
Agentic AI - Work Management
Not enough data
7.7
528
Not enough data
7.8
522
Not enough data
8.1
531
Not enough data
7.9
524
Communication
Not enough data
9.4
1198
Not enough data
9.3
1188
Not enough data
8.9
1066
Not enough data
8.9
1052
Not enough data
9.1
1059
Content & Documents
Not enough data
9.2
1112
Not enough data
8.9
1053
Not enough data
8.7
1074
Not enough data
8.2
1015
Controls
Not enough data
8.3
1000
Not enough data
8.1
992
Not enough data
8.7
1007
Not enough data
8.4
1013
Not enough data
8.2
980
Project Management
Not enough data
8.4
1006
Not enough data
8.4
986
Not enough data
8.5
1005
Not enough data
8.7
998
Remote Collaboration
Not enough data
9.0
1011
Not enough data
8.7
979
Not enough data
9.0
1000
Not enough data
7.9
967
Generative AI
Not enough data
7.3
936
Not enough data
7.4
935
Agentic AI - Project Collaboration
Not enough data
7.6
448
Not enough data
7.7
453
Meeting Prep - AI Meeting Assistants
Feature Not Available
Not enough data
Feature Not Available
Not enough data
Feature Not Available
Not enough data
Meeting Automation - AI Meeting Assistants
9.0
192
Not enough data
7.9
182
Not enough data
8.4
180
Not enough data
Meeting Insights - AI Meeting Assistants
8.0
170
Not enough data
7.8
171
Not enough data
8.7
183
Not enough data
Accessibility - AI Meeting Assistants
Feature Not Available
Not enough data
8.7
178
Not enough data
Feature Not Available
Not enough data
Agentic AI - AI Meeting Assistants
8.3
84
Not enough data
7.9
83
Not enough data
7.9
86
Not enough data
8.0
83
Not enough data
Meeting Capture & Retention - AI Meeting Assistants
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Deployment & Integration - Voice Recognition
8.6
18
Not enough data
7.6
17
Not enough data
8.6
18
Not enough data
8.9
17
Not enough data
Performance Optimization - Voice Recognition
7.9
18
Not enough data
8.6
16
Not enough data
8.1
16
Not enough data
8.0
15
Not enough data
8.8
15
Not enough data
Security & Compliance - Voice Recognition
8.7
15
Not enough data
8.6
15
Not enough data
8.6
15
Not enough data
Advanced AI & Biometric Features - Voice Recognition
7.7
15
Not enough data
8.1
15
Not enough data
8.1
16
Not enough data
7.2
16
Not enough data
Agentic AI - Voice Recognition
8.4
15
Not enough data
Agentic AI - Note-Taking Software
9.0
28
Not enough data
Agentic AI - Audio Conferencing
Not enough data
7.6
289
Not enough data
7.7
289
Action Item Detection - AI Note-taking Software
8.5
63
9.4
21
8.9
64
9.5
21
Automatic Transcription - AI Note-taking Software
8.7
67
9.7
22
Collaboration & Sharing - AI Note-taking Software
8.3
61
9.6
21
Language & Accent Support - AI Note-taking Software
7.6
62
9.5
22
Multi-Platform Integration - AI Note-taking Software
7.8
63
9.1
22
Privacy & Security Controls - AI Note-taking Software
8.1
59
9.3
23
Searchable Note Archives - AI Note-taking Software
8.2
64
9.1
20
Speaker Identification - AI Note-taking Software
7.9
65
9.5
22
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
Otter.ai and Slack are categorized as AI Note-Taking Software and Business Instant Messaging
Unique Categories
Otter.ai is categorized as Transcription, Conversation Intelligence, AI Sales Assistant, Note-Taking Software, Voice Recognition, and AI Meeting Assistants
Slack is categorized as Knowledge Base, Unified Workspaces, Work Management, Enterprise Search Software, Q&A Platforms, Project Collaboration, Workflow Management, and Audio Conferencing
Reviews
Reviewers' Company Size
Otter.ai
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
Marketing and Advertising
11.2%
Computer Software
11.0%
Information Technology and Services
7.5%
Consulting
6.8%
Higher Education
4.8%
Other
58.7%
Computer Software
15.3%
Information Technology and Services
13.1%
Marketing and Advertising
8.7%
Internet
4.7%
Financial Services
3.3%
Other
54.9%
Discussions
What is Otter.ai used for?
2 Comments
AN
TranscriptionRead more
What does otter AI do?
2 Comments
FT
Otter.ai is an artificial intelligence transcription service that automatically creates text transcriptions of online meetings and audio recordings.Read more
Custom vocabulary
1 Comment
RD
Hello! I wanted to let you know that Equal Time (www.equaltime.io) offers Custom vocab (up to 1000 words or phrases). So you can add special tango terms as...Read more
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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