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Compare 3CX and Slack 
Featured Products
At a Glance
Market Segments
Mid-Market (55.5% of reviews)
Small-Business (41.1% 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
(37,768)4.5 out of 5
Market Segments
Small-Business (41.1% 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
30,928
Ease of Use
9.0
356
9.1
31,799
Ease of Setup
8.8
237
9.1
8,198
Ease of Admin
9.0
222
8.9
4,984
Quality of Support
7.9
317
8.8
21,487
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
30,244
Features by Category
Business Instant Messaging
Not enough data
9.1
13850
Not enough data
9.0
14388
Not enough data
8.6
13712
Business Instant Messaging
Not enough data
8.5
10171
Not enough data
8.1
9505
Business Instant Messaging
Not enough data
9.1
13602
Not enough data
9.2
13242
Not enough data
9.0
11738
Generative AI - Business Instant Messaging
Not enough data
7.5
1477
AI - Business Instant Messaging
Not enough data
7.5
1463
Not enough data
7.9
1469
Not enough data
7.4
1447
Not enough data
7.4
1448
Agentic AI - Business Instant Messaging
Not enough data
7.6
870
Not enough data
7.6
863
Setup
Not enough data
9.0
666
Not enough data
8.9
657
Not enough data
8.6
644
Not enough data
8.9
666
Management
Not enough data
9.0
650
Not enough data
8.6
636
Not enough data
8.9
648
Generative AI
Not enough data
7.7
554
Agentic AI - Workflow Management
Not enough data
7.6
272
Not enough data
7.9
268
Not enough data
8.0
275
Not enough data
7.8
273
Not enough data
7.9
272
Not enough data
7.8
272
Not enough data
8.0
272
Account Options
Not enough data
9.1
268
Not enough data
8.3
267
Not enough data
8.6
259
Not enough data
8.6
263
Not enough data
8.9
268
Not enough data
8.8
264
Q&A Tools
Not enough data
9.0
267
Not enough data
9.0
265
Not enough data
9.1
269
Not enough data
8.6
259
Not enough data
9.0
264
Not enough data
8.8
260
Not enough data
8.5
256
Not enough data
8.8
257
Not enough data
8.4
255
Knowledge Pages
Not enough data
8.4
325
Not enough data
8.2
328
Not enough data
8.0
317
Not enough data
8.0
314
Not enough data
7.9
311
Not enough data
8.3
312
Knowledge Dissemination
Not enough data
8.2
306
Not enough data
8.7
311
Not enough data
8.9
313
Not enough data
8.9
314
Not enough data
8.3
310
Not enough data
8.2
303
Not enough data
8.6
316
Not enough data
8.6
304
Not enough data
8.5
301
Agentic AI - Knowledge Base
Not enough data
7.8
184
Not enough data
7.8
186
Not enough data
7.7
183
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
740
Not enough data
8.5
722
Productivity
Not enough data
8.0
704
Not enough data
8.3
709
Not enough data
8.6
714
Not enough data
7.8
691
Not enough data
7.9
688
Customization
Not enough data
8.5
706
Not enough data
9.0
720
Not enough data
8.6
696
Agentic AI - Unified Workspaces
Not enough data
7.4
388
Not enough data
7.5
386
Compatibility
Not enough data
8.9
80
Not enough data
8.9
83
Not enough data
8.8
78
Agentic AI - Enterprise Search Software
Not enough data
8.3
49
Not enough data
8.1
46
Not enough data
8.7
47
Not enough data
8.3
47
Not enough data
8.4
47
Not enough data
8.4
45
Search Queries
Not enough data
8.6
79
Not enough data
9.0
78
Not enough data
8.6
78
Not enough data
8.9
79
Not enough data
8.8
76
AI powered search - Enterprise Search Software
Not enough data
8.5
13
Not enough data
8.6
13
Not enough data
8.5
13
Functionality
Not enough data
8.8
78
Not enough data
8.9
77
Not enough data
9.0
80
Compatibility - Enterprise Search Software
Not enough data
8.9
15
Not enough data
8.8
13
Not enough data
8.9
14
Functionality - Enterprise Search Software
Not enough data
8.8
14
Not enough data
9.1
13
Not enough data
9.0
14
Search Queries - Enterprise Search Software
Not enough data
9.0
13
Not enough data
8.7
13
Not enough data
8.5
14
Not enough data
8.9
14
Automation
Not enough data
8.8
1176
Not enough data
8.8
1146
Not enough data
8.5
1126
Administration
Not enough data
8.8
1143
Not enough data
8.6
1108
Not enough data
9.4
1169
Project management
Not enough data
8.7
1128
Not enough data
8.5
1098
Not enough data
8.5
1115
Not enough data
8.5
1104
Not enough data
8.5
1099
Not enough data
8.3
1074
Not enough data
8.2
1093
Workload
Not enough data
8.4
1063
Not enough data
8.8
1101
Not enough data
8.6
1065
Not enough data
8.4
1057
Communication & Collaboration
Not enough data
9.3
1221
Not enough data
9.0
1126
Not enough data
9.3
1188
Cost Management
Not enough data
8.0
1047
Not enough data
8.2
1047
Not enough data
8.1
1042
Integration
Not enough data
8.6
1064
Not enough data
8.4
1046
Not enough data
8.4
1036
Generative AI
Not enough data
7.5
993
Not enough data
7.6
990
Agentic AI - Work Management
Not enough data
7.6
496
Not enough data
7.7
492
Not enough data
8.0
493
Not enough data
7.7
493
Communication
Not enough data
9.4
1113
Not enough data
9.3
1099
Not enough data
8.8
1026
Not enough data
8.9
1017
Not enough data
9.1
1018
Content & Documents
Not enough data
9.1
1056
Not enough data
8.9
1019
Not enough data
8.7
1032
Not enough data
8.1
981
Controls
Not enough data
8.3
971
Not enough data
8.1
967
Not enough data
8.6
974
Not enough data
8.4
974
Not enough data
8.2
955
Project Management
Not enough data
8.4
970
Not enough data
8.3
956
Not enough data
8.5
965
Not enough data
8.6
961
Remote Collaboration
Not enough data
9.0
978
Not enough data
8.7
952
Not enough data
8.9
968
Not enough data
7.8
945
Generative AI
Not enough data
7.2
906
Not enough data
7.3
902
Agentic AI - Project Collaboration
Not enough data
7.4
419
Not enough data
7.6
421
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
7.3
266
Not enough data
7.5
266
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
8.5
9
Not enough data
8.9
9
Automatic Transcription - AI Note-taking Software
Not enough data
9.3
10
Collaboration & Sharing - AI Note-taking Software
Not enough data
9.1
9
Language & Accent Support - AI Note-taking Software
Not enough data
9.0
10
Multi-Platform Integration - AI Note-taking Software
Not enough data
8.7
10
Privacy & Security Controls - AI Note-taking Software
Not enough data
8.6
11
Searchable Note Archives - AI Note-taking Software
Not enough data
8.3
9
Speaker Identification - AI Note-taking Software
Not enough data
8.8
10
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
55.0%
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
Is it possible to integrate more software with this (API)?
1 Comment
NA
Thank you for your comment regarding the integration capabilities of 3CX. We are continuously adding more features & functionality to enhance our product and...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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