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Compare 3CX and Slack 
Featured Products
At a Glance
Market Segments
Mid-Market (55.5% of reviews)
Small-Business (41.2% of reviews)
Entry-Level Pricing
Free 10 Users
$0.00
3CX
Star Rating
(522)4.4 out of 5
Market Segments
Mid-Market (55.5% of reviews)
Pros & Cons
Entry-Level Pricing
Free 10 Users
Free Trial is available
Browse all 3 pricing plansSlack
Star Rating
(37,770)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.
- Users report that Slack excels in its screen sharing capabilities, scoring 9.2, which reviewers mention allows for seamless collaboration during meetings. In contrast, 3CX, while still functional, scores lower at 8.8, indicating some users find it less intuitive for this feature.
- Reviewers mention that Slack's mobile application is highly rated at 9.3, providing a smooth experience for users on the go. Meanwhile, 3CX's mobile functionality, scoring 9.0, is effective but does not match the level of user satisfaction found with Slack.
- Users on G2 highlight Slack's ease of setup, scoring 9.1, as a significant advantage, with many stating that they were able to get started quickly without extensive IT support. 3CX, with a score of 8.8, has received feedback indicating that its setup can be more complex for some users.
- Reviewers mention that Slack's quality of support, rated at 8.8, is generally responsive and helpful, which is crucial for businesses relying on timely assistance. In contrast, 3CX's support, scoring 7.9, has received mixed reviews, with some users expressing frustration over response times.
- Users say that Slack's desktop application shines with a score of 9.5, praised for its user-friendly interface and robust features. 3CX's desktop application, while functional, scores slightly lower at 9.2, with some users noting it could benefit from a more modern design.
- G2 users report that Slack's live chat feature is particularly strong, scoring 9.4, which many find essential for real-time communication. 3CX, with a score of 9.1, offers a solid live chat experience but does not quite reach the level of satisfaction reported by Slack users.
Pricing
Entry-Level Pricing
3CX
3CX SMB
Free
10 Users
Free for up to 10 users.
- Next-gen phone system
- Bring your own SIP Trunk
- WFH: remote-enable teams
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
3CX
Free Trial is available
Slack
Free Trial is available
Ratings
Meets Requirements
8.9
349
9.2
30,929
Ease of Use
9.0
356
9.1
31,807
Ease of Setup
8.8
237
9.1
8,206
Ease of Admin
9.0
222
8.9
4,984
Quality of Support
7.9
317
8.8
21,488
Has the product been a good partner in doing business?
8.6
211
9.0
4,463
Product Direction (% positive)
8.5
351
8.7
30,245
Features by Category
Business Instant Messaging
Not enough data
9.1
13852
Not enough data
9.0
14390
Not enough data
8.6
13713
Business Instant Messaging
Not enough data
8.5
10172
Not enough data
8.1
9506
Business Instant Messaging
Not enough data
9.1
13603
Not enough data
9.2
13243
Not enough data
9.0
11741
Generative AI - Business Instant Messaging
Not enough data
7.5
1478
AI - Business Instant Messaging
Not enough data
7.5
1464
Not enough data
7.9
1470
Not enough data
7.4
1448
Not enough data
7.4
1449
Agentic AI - Business Instant Messaging
Not enough data
7.6
871
Not enough data
7.6
864
Setup
Not enough data
9.0
667
Not enough data
8.9
658
Not enough data
8.6
645
Not enough data
8.9
667
Management
Not enough data
9.0
651
Not enough data
8.6
637
Not enough data
8.9
649
Generative AI
Not enough data
7.7
555
Agentic AI - Workflow Management
Not enough data
7.6
273
Not enough data
7.9
269
Not enough data
8.0
276
Not enough data
7.8
274
Not enough data
7.9
273
Not enough data
7.8
273
Not enough data
8.0
273
Account Options
Not enough data
9.2
269
Not enough data
8.3
268
Not enough data
8.6
260
Not enough data
8.6
264
Not enough data
8.9
269
Not enough data
8.8
265
Q&A Tools
Not enough data
9.0
268
Not enough data
9.0
266
Not enough data
9.1
270
Not enough data
8.6
260
Not enough data
9.0
265
Not enough data
8.8
261
Not enough data
8.5
257
Not enough data
8.8
258
Not enough data
8.4
256
Knowledge Pages
Not enough data
8.4
326
Not enough data
8.3
329
Not enough data
8.0
318
Not enough data
8.0
315
Not enough data
7.9
312
Not enough data
8.3
313
Knowledge Dissemination
Not enough data
8.2
307
Not enough data
8.7
312
Not enough data
8.9
314
Not enough data
8.9
315
Not enough data
8.3
311
Not enough data
8.2
304
Not enough data
8.6
317
Not enough data
8.6
305
Not enough data
8.5
302
Agentic AI - Knowledge Base
Not enough data
7.8
185
Not enough data
7.8
187
Not enough data
7.7
184
Channels
9.3
127
|
Verified
Not enough data
Feature Not Available
Not enough data
8.6
94
|
Verified
Not enough data
7.3
68
Not enough data
Feature Not Available
Not enough data
Generative AI
6.9
24
Not enough data
Functions
8.9
180
|
Verified
Not enough data
8.9
185
|
Verified
Not enough data
8.9
182
|
Verified
Not enough data
Feature Not Available
Not enough data
8.2
94
Not enough data
9.1
118
Not enough data
8.8
99
Not enough data
8.4
96
|
Verified
Not enough data
Agentic AI - Contact Center
6.4
14
Not enough data
6.8
14
Not enough data
7.1
13
Not enough data
7.2
13
Not enough data
Administrative
8.2
150
|
Verified
Not enough data
9.0
179
|
Verified
Not enough data
8.5
184
|
Verified
Not enough data
9.0
115
Not enough data
8.3
104
|
Verified
Not enough data
Login Options
Not enough data
9.0
741
Not enough data
8.5
723
Productivity
Not enough data
8.0
705
Not enough data
8.3
710
Not enough data
8.6
715
Not enough data
7.8
692
Not enough data
7.9
689
Customization
Not enough data
8.5
707
Not enough data
9.0
721
Not enough data
8.6
697
Agentic AI - Unified Workspaces
Not enough data
7.4
389
Not enough data
7.5
387
Compatibility
Not enough data
8.9
81
Not enough data
8.9
84
Not enough data
8.8
79
Agentic AI - Enterprise Search Software
Not enough data
8.3
50
Not enough data
8.2
47
Not enough data
8.8
48
Not enough data
8.4
48
Not enough data
8.4
48
Not enough data
8.5
46
Search Queries
Not enough data
8.6
80
Not enough data
9.1
79
Not enough data
8.6
79
Not enough data
9.0
80
Not enough data
8.9
77
AI powered search - Enterprise Search Software
Not enough data
8.6
14
Not enough data
8.7
14
Not enough data
8.6
14
Functionality
Not enough data
8.8
79
Not enough data
8.9
78
Not enough data
9.0
81
Compatibility - Enterprise Search Software
Not enough data
9.0
16
Not enough data
8.9
14
Not enough data
9.0
15
Functionality - Enterprise Search Software
Not enough data
8.9
15
Not enough data
9.2
14
Not enough data
9.1
15
Search Queries - Enterprise Search Software
Not enough data
9.0
14
Not enough data
8.8
14
Not enough data
8.6
15
Not enough data
9.0
15
Automation
Not enough data
8.8
1180
Not enough data
8.8
1147
Not enough data
8.5
1127
Administration
Not enough data
8.8
1144
Not enough data
8.6
1109
Not enough data
9.4
1170
Project management
Not enough data
8.7
1129
Not enough data
8.5
1100
Not enough data
8.5
1116
Not enough data
8.5
1105
Not enough data
8.5
1100
Not enough data
8.3
1075
Not enough data
8.2
1095
Workload
Not enough data
8.4
1065
Not enough data
8.8
1103
Not enough data
8.6
1066
Not enough data
8.4
1059
Communication & Collaboration
Not enough data
9.3
1228
Not enough data
9.0
1128
Not enough data
9.3
1191
Cost Management
Not enough data
8.0
1048
Not enough data
8.2
1048
Not enough data
8.1
1043
Integration
Not enough data
8.6
1065
Not enough data
8.4
1047
Not enough data
8.4
1038
Generative AI
Not enough data
7.5
994
Not enough data
7.6
991
Agentic AI - Work Management
Not enough data
7.6
497
Not enough data
7.7
493
Not enough data
8.0
494
Not enough data
7.7
494
Communication
Not enough data
9.4
1115
Not enough data
9.3
1104
Not enough data
8.8
1027
Not enough data
8.9
1018
Not enough data
9.1
1020
Content & Documents
Not enough data
9.1
1058
Not enough data
8.9
1020
Not enough data
8.7
1033
Not enough data
8.1
982
Controls
Not enough data
8.3
972
Not enough data
8.1
968
Not enough data
8.6
975
Not enough data
8.4
975
Not enough data
8.2
956
Project Management
Not enough data
8.4
971
Not enough data
8.3
957
Not enough data
8.5
967
Not enough data
8.6
962
Remote Collaboration
Not enough data
9.0
979
Not enough data
8.7
953
Not enough data
8.9
969
Not enough data
7.8
945
Generative AI
Not enough data
7.2
907
Not enough data
7.3
903
Agentic AI - Project Collaboration
Not enough data
7.4
420
Not enough data
7.6
422
Collaboration Tools
8.8
69
|
Verified
Not enough data
9.1
38
|
Verified
Not enough data
9.0
34
Not enough data
9.2
39
|
Verified
Not enough data
8.6
35
|
Verified
Not enough data
Meeting Coordination
8.4
72
|
Verified
Not enough data
9.1
68
|
Verified
Not enough data
9.2
70
|
Verified
Not enough data
8.9
42
|
Verified
Not enough data
Software Type
9.0
83
|
Verified
Not enough data
9.3
46
|
Verified
Not enough data
9.2
43
|
Verified
Not enough data
Agentic AI - Video Conferencing
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Platform
7.7
41
Not enough data
8.9
49
Not enough data
9.1
47
Not enough data
8.9
50
Not enough data
9.0
48
Not enough data
9.2
43
Not enough data
9.1
47
Not enough data
Generative AI
7.0
15
Not enough data
Workforce Management
9.2
49
Not enough data
8.7
48
Not enough data
Call Center Infrastructure (CCI)
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Administrative
9.1
50
Not enough data
8.6
49
Not enough data
Generative AI
6.7
11
Not enough data
7.5
10
Not enough data
7.7
10
Not enough data
Communication
9.3
38
Not enough data
9.3
39
Not enough data
Feature Not Available
Not enough data
9.3
38
Not enough data
Feature Not Available
Not enough data
Internal Use
8.9
44
Not enough data
8.9
38
Not enough data
Feature Not Available
Not enough data
Feature Not Available
Not enough data
8.9
37
Not enough data
9.0
35
Not enough data
Basic Communication - Cloud PBX
9.7
24
Not enough data
8.9
22
Not enough data
9.7
22
Not enough data
8.4
23
Not enough data
9.6
23
Not enough data
9.8
23
Not enough data
Advanced Features - Cloud PBX
8.6
21
Not enough data
7.7
22
Not enough data
8.0
22
Not enough data
7.1
22
Not enough data
Platform Basics - VoIP Providers
9.4
20
Not enough data
9.6
20
Not enough data
8.5
20
Not enough data
9.1
20
Not enough data
9.2
20
Not enough data
9.3
20
Not enough data
Basic Communication
9.5
191
|
Verified
Not enough data
8.4
133
|
Verified
Not enough data
8.3
133
|
Verified
Not enough data
8.2
118
|
Verified
Not enough data
8.8
173
|
Verified
Not enough data
9.5
185
|
Verified
Not enough data
Agentic AI - VoIP Providers
6.5
10
Not enough data
8.0
9
Not enough data
7.2
9
Not enough data
7.2
9
Not enough data
Access
8.5
118
|
Verified
Not enough data
8.5
155
|
Verified
Not enough data
8.4
165
|
Verified
Not enough data
Advanced Features
8.5
172
|
Verified
Not enough data
9.0
162
|
Verified
Not enough data
Feature Not Available
Not enough data
Agentic AI - Audio Conferencing
Not enough data
7.4
267
Not enough data
7.5
267
Agentic AI - UCaaS Platforms
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Extensions
Feature Not Available
Not enough data
9.7
24
|
Verified
Not enough data
9.1
23
|
Verified
Not enough data
Features
9.5
24
|
Verified
Not enough data
Feature Not Available
Not enough data
8.8
19
|
Verified
Not enough data
9.4
28
|
Verified
Not enough data
8.6
27
|
Verified
Not enough data
Feature Not Available
Not enough data
Action Item Detection - AI Note-taking Software
Not enough data
8.7
10
Not enough data
9.0
10
Automatic Transcription - AI Note-taking Software
Not enough data
9.4
11
Collaboration & Sharing - AI Note-taking Software
Not enough data
9.2
10
Language & Accent Support - AI Note-taking Software
Not enough data
9.1
11
Multi-Platform Integration - AI Note-taking Software
Not enough data
8.8
11
Privacy & Security Controls - AI Note-taking Software
Not enough data
8.8
12
Searchable Note Archives - AI Note-taking Software
Not enough data
8.5
10
Speaker Identification - AI Note-taking Software
Not enough data
8.9
11
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
3CX and Slack share no categories
Unique Categories
3CX is categorized as UCaaS Platforms, Live Chat, VoIP Providers, Contact Center, Video Conferencing, Call Center Infrastructure (CCI), and Cloud PBX Platforms
Reviews
Reviewers' Company Size
3CX
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
Information Technology and Services
10.0%
Hospital & Health Care
5.6%
Telecommunications
5.1%
Education Management
4.9%
Construction
4.6%
Other
69.7%
Computer Software
15.3%
Information Technology and Services
13.1%
Marketing and Advertising
8.6%
Internet
4.7%
Education Management
3.3%
Other
54.9%
Discussions
Getting STUN setup for remote employees has been a challenge during this COVID-19 pandemic.
2 Comments
NA
Hello Tim,
Thank you for your question. As this is a technical issue, I would advise you to open a support ticket with our team, which is available for...Read more
How do I integrate 3CX to my CRM
2 Comments
TC
I suggest you dig into the 3cx support documents. There are a number of different CRM platforms which have easy integration with 3cx. I know I have one...Read more
did you work on a solution to have sms issue with 3CX ?
1 Comment
TN
Yes 3CX v16 Update 7 (Alpha to be released next week) will integrate with business text messaging as well as Facebook messages. 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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