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Compare Slack and Spike 
Featured Products
At a Glance
Market Segments
Small-Business (41.2% of reviews)
Small-Business (77.2% of reviews)
Entry-Level Pricing
$0.00
$5.00 1 User Per Month
Slack
Star Rating
(38,116)4.5 out of 5
Market Segments
Small-Business (41.2% of reviews)
Pros & Cons
Entry-Level Pricing
$0.00
Browse all 4 pricing plansSpike
Star Rating
(262)4.6 out of 5
Market Segments
Small-Business (77.2% of reviews)
Pros & Cons
Entry-Level Pricing
$5.00 1 User Per Month
Browse all 3 pricing plansSummary
AI Generated Summary
AI-generated. Powered by real user reviews.
- G2 reviewers report that Slack excels in overall user satisfaction, boasting a significantly higher G2 Score compared to Spike. Users appreciate its swift and easy-to-use interface, with many highlighting the seamless integration with other software that enhances their daily workflow.
- Users say that Slack's threaded discussions and drag-and-drop file sharing features help maintain organized communication, preventing clutter in main channels. This versatility is often praised as a key factor in improving teamwork and collaboration.
- According to verified reviews, Spike shines as an all-in-one solution for managing tasks, notes, and emails, appealing particularly to small businesses. Users enjoy its clean and modern interface, which makes it feel more like a chat application than traditional email.
- Reviewers mention that while Spike offers a unique approach to centralizing communication, it struggles with the same level of market presence and user engagement as Slack, reflected in its much lower total number of reviews and recent activity.
- Users highlight that Slack's implementation process is quick and intuitive, making it easy for teams to get started. In contrast, some Spike users have noted that while it centralizes various functions, it may not always meet specific workflow needs as effectively as Slack.
- G2 reviewers indicate that while Spike has a strong focus on reducing email clutter and enhancing collaboration, Slack's robust features and higher quality of support make it a more reliable partner for businesses looking to improve communication and productivity.
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
Spike
Pro
$5.00
1 User Per Month
Use Spike's email app with up to 3 email accounts with unified inbox and unlimited search history
- Conversational Email
- Spike AI
- 5 GB storage
Free Trial
Slack
Free Trial is available
Spike
Free Trial is available
Ratings
Meets Requirements
9.2
31,111
8.8
165
Ease of Use
9.2
32,041
9.3
169
Ease of Setup
9.2
8,423
9.3
51
Ease of Admin
8.9
5,048
8.7
34
Quality of Support
8.8
21,647
9.0
156
Has the product been a good partner in doing business?
9.0
4,527
8.6
32
Product Direction (% positive)
8.7
30,417
9.6
155
Features by Category
Messenger
Not enough data
9.1
25
|
Verified
Not enough data
9.3
23
|
Verified
Not enough data
8.9
24
|
Verified
Not enough data
9.1
25
|
Verified
Channels
Not enough data
8.7
21
|
Verified
Not enough data
8.4
20
|
Verified
Not enough data
8.6
19
|
Verified
Not enough data
8.6
20
|
Verified
Not enough data
8.2
20
|
Verified
Customers
Not enough data
8.8
20
|
Verified
Not enough data
8.6
22
Not enough data
Feature Not Available
Not enough data
Feature Not Available
Not enough data
Feature Not Available
Agentic AI - Conversational Marketing
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Business Instant Messaging
9.1
13907
8.9
64
9.0
14450
9.2
68
8.6
13758
8.6
69
Business Instant Messaging
8.5
10210
8.8
55
8.1
9541
8.4
53
Business Instant Messaging
9.1
13643
9.2
67
9.2
13271
9.2
62
9.0
11796
Feature Not Available
Generative AI - Business Instant Messaging
7.5
1497
7.4
9
AI - Business Instant Messaging
7.5
1483
6.5
8
7.9
1487
6.9
9
7.4
1466
6.0
8
7.4
1469
5.6
8
Agentic AI - Business Instant Messaging
7.7
894
Not enough data
7.7
883
Not enough data
Grammar
Not enough data
9.3
7
Not enough data
9.0
7
Not enough data
8.9
6
Formatting
Not enough data
9.0
5
Not enough data
9.7
5
Not enough data
Not enough data
Content
Not enough data
9.0
5
Not enough data
8.7
5
Not enough data
8.7
5
Product Type
Not enough data
8.7
5
Not enough data
9.3
5
Generative AI
Not enough data
Not enough data
Not enough data
Not enough data
Setup
9.1
687
Not enough data
8.9
678
Not enough data
8.7
662
Not enough data
8.9
694
Not enough data
Management
9.0
670
Not enough data
8.7
655
Not enough data
8.9
669
Not enough data
Generative AI
7.8
573
Not enough data
Agentic AI - Workflow Management
7.8
290
Not enough data
8.0
286
Not enough data
8.2
294
Not enough data
8.0
291
Not enough data
8.0
291
Not enough data
7.9
291
Not enough data
8.1
291
Not enough data
Inbox Tools
Not enough data
9.5
71
Not enough data
9.0
66
Not enough data
9.2
65
Not enough data
9.2
63
Coordination Tools
Not enough data
8.5
63
Not enough data
8.5
64
Not enough data
8.6
58
Software Options
Not enough data
9.3
68
Not enough data
9.2
69
Email Client - Agentic AI
Not enough data
Not enough data
Not enough data
Not enough data
Account Options
9.2
285
Not enough data
8.4
280
Not enough data
8.7
275
Not enough data
8.7
278
Not enough data
8.9
284
Not enough data
8.9
281
Not enough data
Q&A Tools
9.1
286
Not enough data
9.1
281
Not enough data
9.1
287
Not enough data
8.7
275
Not enough data
9.1
281
Not enough data
8.9
278
Not enough data
8.6
271
Not enough data
8.9
273
Not enough data
8.5
271
Not enough data
Knowledge Pages
8.5
343
Not enough data
8.3
343
Not enough data
8.1
334
Not enough data
8.1
331
Not enough data
7.9
326
Not enough data
8.4
329
Not enough data
Knowledge Dissemination
8.2
322
Not enough data
8.8
328
Not enough data
9.0
332
Not enough data
8.9
331
Not enough data
8.4
328
Not enough data
8.2
318
Not enough data
8.7
333
Not enough data
8.6
321
Not enough data
8.6
316
Not enough data
Agentic AI - Knowledge Base
7.9
197
Not enough data
8.0
199
Not enough data
7.8
197
Not enough data
Login Options
9.0
763
Not enough data
8.5
742
Not enough data
Productivity
8.0
725
Not enough data
8.3
730
Not enough data
8.6
736
Not enough data
7.9
710
Not enough data
7.9
707
Not enough data
Customization
8.6
729
Not enough data
9.0
743
Not enough data
8.7
716
Not enough data
Agentic AI - Unified Workspaces
7.5
409
Not enough data
7.6
406
Not enough data
Compatibility
9.0
93
Not enough data
9.1
97
Not enough data
9.0
91
Not enough data
Agentic AI - Enterprise Search Software
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
Not enough data
Search Queries
8.8
92
Not enough data
9.2
91
Not enough data
8.8
90
Not enough data
9.1
92
Not enough data
9.0
89
Not enough data
AI powered search - Enterprise Search Software
9.2
24
Not enough data
9.2
25
Not enough data
9.0
24
Not enough data
Functionality
8.9
91
Not enough data
9.0
90
Not enough data
9.1
94
Not enough data
Compatibility - Enterprise Search Software
9.4
28
Not enough data
9.4
26
Not enough data
9.2
26
Not enough data
Functionality - Enterprise Search Software
9.3
27
Not enough data
9.5
25
Not enough data
9.5
28
Not enough data
Search Queries - Enterprise Search Software
9.4
26
Not enough data
9.3
24
Not enough data
9.2
27
Not enough data
9.4
27
Not enough data
Automation
8.8
1220
Not enough data
8.8
1177
Not enough data
8.5
1155
Not enough data
Administration
8.8
1175
Not enough data
8.6
1135
Not enough data
9.4
1220
Not enough data
Project management
8.7
1158
Not enough data
8.5
1122
Not enough data
8.6
1141
Not enough data
8.5
1126
Not enough data
8.6
1125
Not enough data
8.3
1096
Not enough data
8.3
1122
Not enough data
Workload
8.4
1084
Not enough data
8.8
1137
Not enough data
8.6
1090
Not enough data
8.5
1082
Not enough data
Communication & Collaboration
9.3
1401
Not enough data
9.0
1198
Not enough data
9.3
1277
Not enough data
Cost Management
8.1
1072
Not enough data
8.2
1071
Not enough data
8.1
1064
Not enough data
Integration
8.6
1107
Not enough data
8.4
1069
Not enough data
8.4
1063
Not enough data
Generative AI
7.5
1017
Not enough data
7.7
1012
Not enough data
Agentic AI - Work Management
7.7
521
Not enough data
7.8
514
Not enough data
8.1
518
Not enough data
7.8
516
Not enough data
Communication
9.4
1178
Not enough data
9.3
1175
Not enough data
8.9
1055
Not enough data
8.9
1043
Not enough data
9.1
1046
Not enough data
Content & Documents
9.1
1097
Not enough data
8.9
1041
Not enough data
8.7
1063
Not enough data
8.1
1006
Not enough data
Controls
8.3
992
Not enough data
8.1
987
Not enough data
8.7
998
Not enough data
8.4
1000
Not enough data
8.2
972
Not enough data
Project Management
8.4
995
Not enough data
8.3
977
Not enough data
8.5
995
Not enough data
8.7
987
Not enough data
Remote Collaboration
9.0
1004
Not enough data
8.7
973
Not enough data
9.0
991
Not enough data
7.8
961
Not enough data
Generative AI
7.3
927
Not enough data
7.4
923
Not enough data
Agentic AI - Project Collaboration
7.5
440
Not enough data
7.7
442
Not enough data
Collaboration Tools
Not enough data
9.1
25
|
Verified
Not enough data
8.6
18
Not enough data
8.7
17
Not enough data
8.8
27
|
Verified
Not enough data
Feature Not Available
Meeting Coordination
Not enough data
8.2
32
|
Verified
Not enough data
Feature Not Available
Not enough data
9.1
27
|
Verified
Not enough data
8.9
24
|
Verified
Software Type
Not enough data
9.0
32
|
Verified
Not enough data
9.0
27
|
Verified
Not enough data
8.9
26
|
Verified
Agentic AI - Video Conferencing
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Calendar View
Not enough data
9.1
25
Not enough data
8.8
27
Shared Calendar
Not enough data
Feature Not Available
Not enough data
Feature Not Available
Accessibility
Not enough data
Feature Not Available
Not enough data
8.8
7
Integration
Not enough data
9.3
26
Not enough data
9.1
24
Not enough data
Feature Not Available
Notifications
Not enough data
Feature Not Available
Not enough data
Feature Not Available
Generative AI
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Agentic AI - Calendar
Not enough data
Not enough data
Sorting & Filtering
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Integrations
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Time Management
Not enough data
8.7
5
Not enough data
Not enough data
Not enough data
Not enough data
Generative AI
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Agentic AI - Email Management
Not enough data
Not enough data
Not enough data
Not enough data
Generative AI
Not enough data
7.0
10
Not enough data
8.0
11
Not enough data
7.0
9
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Encryption Techniques - Email Encryption
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Authentication, Verification, and Access Controls - Email Encryption
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Security Enhancements and Auditing - Email Encryption
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Integration, Compatibility, and Usability - Email Encryption
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Agentic AI - Note-Taking Software
Not enough data
Not enough data
Agentic AI - Audio Conferencing
7.5
282
Not enough data
7.6
282
Not enough data
Action Item Detection - AI Note-taking Software
9.3
19
Not enough data
9.5
19
Not enough data
Automatic Transcription - AI Note-taking Software
9.7
20
Not enough data
Collaboration & Sharing - AI Note-taking Software
9.6
19
Not enough data
Language & Accent Support - AI Note-taking Software
9.5
20
Not enough data
Multi-Platform Integration - AI Note-taking Software
9.3
20
Not enough data
Privacy & Security Controls - AI Note-taking Software
9.3
21
Not enough data
Searchable Note Archives - AI Note-taking Software
9.2
18
Not enough data
Speaker Identification - AI Note-taking Software
9.4
20
Not enough data
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
Slack and Spike are categorized as Business Instant Messaging and Audio Conferencing
Unique Categories
Slack is categorized as Knowledge Base, Unified Workspaces, Work Management, Enterprise Search Software, Q&A Platforms, AI Note-Taking Software, Project Collaboration, and Workflow Management
Spike is categorized as Email Client, Email, Email Management, AI Writing Assistant, Shared Inbox, Email Encryption, Conversational Marketing, Note-Taking Software, Calendar, and Video Conferencing
Reviews
Reviewers' Company Size
Slack
Small-Business(50 or fewer emp.)
Mid-Market(51-1000 emp.)
Enterprise(> 1000 emp.)
Spike
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
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%
Information Technology and Services
12.2%
Marketing and Advertising
9.2%
Computer Software
8.7%
Higher Education
5.2%
Financial Services
3.1%
Other
61.6%
Discussions
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
How much does Spike cost?
2 Comments
PD
there's a free account for personal email. Pro costs $4 a monthRead more
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