Compare Spike and Thunderbird 
At a Glance
Market Segments
Small-Business (77.1% of reviews)
Small-Business (64.8% of reviews)
Entry-Level Pricing
$5.00 1 User Per Month
No pricing available
Spike
Star Rating
(262)4.6 out of 5
Market Segments
Small-Business (77.1% of reviews)
Pros & Cons
Entry-Level Pricing
$5.00 1 User Per Month
Browse all 2 pricing plansThunderbird
Star Rating
(337)4.3 out of 5
Market Segments
Small-Business (64.8% of reviews)
Pros & Cons
Entry-Level Pricing
No pricing available
Learn more about ThunderbirdSummary
AI Generated Summary
AI-generated. Powered by real user reviews.
- G2 reviewers report that Thunderbird excels in providing a comprehensive email management experience, allowing users to consolidate multiple email accounts into a single shared inbox. This feature is particularly appreciated for reducing the hassle of juggling different profiles and platforms.
- Users say that Spike's chat-style interface significantly enhances the email experience, transforming traditional email threads into clean, modern chat bubbles. This innovative approach helps users save time and reduce mental fatigue, making email management feel more intuitive and less overwhelming.
- According to verified reviews, Thunderbird is praised for its strong privacy features, including built-in OpenPGP encryption, which appeals to users who prioritize security in their communications. This focus on privacy has helped establish Thunderbird as a mature and reliable email solution.
- Reviewers mention that Spike shines in its ease of use, with many users highlighting the platform's straightforward setup process. The chat-like interface not only makes reading and replying to emails easier but also streamlines team communication, which is a significant advantage for collaborative environments.
- G2 reviewers note that while Thunderbird has a solid reputation, it has not received recent reviews, which may indicate a slower pace of innovation compared to Spike. In contrast, Spike has garnered a steady stream of feedback, suggesting that it is actively evolving to meet user needs.
- Users highlight that while both products have their strengths, Spike's quality of support stands out, with many users appreciating the responsive assistance they receive. This level of support can be crucial for businesses that rely on timely help to resolve issues and maintain productivity.
Pricing
Entry-Level Pricing
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
Thunderbird
No pricing availableFree Trial
Spike
Free Trial is available
Thunderbird
No trial information availableRatings
Meets Requirements
8.9
166
8.7
302
Ease of Use
9.3
170
8.7
303
Ease of Setup
9.3
53
8.8
73
Ease of Admin
8.7
36
8.4
58
Quality of Support
9.0
158
7.9
221
Has the product been a good partner in doing business?
8.6
34
8.1
41
Product Direction (% positive)
9.6
156
7.6
300
Features by Category
Messenger
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
Not enough data
Channels
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
Not enough data
Customers
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
Not enough data
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
8.9
64
Not enough data
9.2
69
Not enough data
8.7
70
Not enough data
Business Instant Messaging
8.9
56
Not enough data
8.4
54
Not enough data
Business Instant Messaging
9.2
68
Not enough data
9.2
63
Not enough data
Feature Not Available
Not enough data
Generative AI - Business Instant Messaging
7.7
10
Not enough data
AI - Business Instant Messaging
6.9
9
Not enough data
7.2
10
Not enough data
6.5
9
Not enough data
6.1
9
Not enough data
Agentic AI - Business Instant Messaging
5.0
5
Not enough data
5.7
5
Not enough data
Grammar
9.4
8
Not enough data
9.2
8
Not enough data
9.0
7
Not enough data
Formatting
9.2
6
Not enough data
9.7
6
Not enough data
9.0
5
Not enough data
Content
9.2
6
Not enough data
8.9
6
Not enough data
8.9
6
Not enough data
Product Type
8.9
6
Not enough data
9.2
6
Not enough data
Generative AI
Not enough data
Not enough data
Not enough data
Not enough data
Inbox Tools
9.5
72
8.9
103
9.1
67
8.9
109
9.2
66
8.5
96
9.2
64
8.7
104
Coordination Tools
8.5
64
8.4
92
8.6
65
8.6
100
8.6
60
8.4
88
Software Options
9.3
69
9.2
110
9.2
70
7.5
63
Email Client - Agentic AI
Not enough data
Not enough data
Not enough data
Not enough data
Collaboration Tools
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
Not enough data
Meeting Coordination
8.2
32
|
Verified
Not enough data
Feature Not Available
Not enough data
9.1
27
|
Verified
Not enough data
8.9
24
|
Verified
Not enough data
Software Type
9.0
32
|
Verified
Not enough data
9.0
27
|
Verified
Not enough data
8.9
26
|
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
Calendar View
9.1
25
Not enough data
8.8
27
Not enough data
Shared Calendar
Feature Not Available
Not enough data
Feature Not Available
Not enough data
Accessibility
Feature Not Available
Not enough data
8.8
7
Not enough data
Integration
9.3
26
Not enough data
9.1
24
Not enough data
Feature Not Available
Not enough data
Notifications
Feature Not Available
Not enough data
Feature Not Available
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 - Calendar
Not enough data
Not enough data
Sorting & Filtering
Not enough data
9.2
6
Not enough data
10.0
7
Not enough data
8.0
5
Not enough data
9.2
6
Integrations
Not enough data
8.3
6
Not enough data
9.0
7
Not enough data
8.1
6
Time Management
9.0
5
9.4
6
Not enough data
8.8
7
Not enough data
9.0
5
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
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
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
Not enough data
Not enough data
Not enough data
Not enough data
Categories
Categories
Shared Categories
Spike and Thunderbird are categorized as Email Client and Email Management
Unique Categories
Spike is categorized as Business Instant Messaging, Email, AI Writing Assistant, Shared Inbox, Email Encryption, Conversational Marketing, Note-Taking Software, Audio Conferencing, Calendar, and Video Conferencing
Thunderbird has no unique categories
Reviews
Reviewers' Company Size
Spike
Small-Business(50 or fewer emp.)
Mid-Market(51-1000 emp.)
Enterprise(> 1000 emp.)
Thunderbird
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
12.2%
Marketing and Advertising
9.1%
Computer Software
9.1%
Higher Education
5.2%
Financial Services
3.0%
Other
61.3%
Information Technology and Services
12.7%
Computer Software
11.8%
Internet
6.7%
Marketing and Advertising
5.2%
Telecommunications
3.0%
Other
60.6%
Discussions
What is a spike task?
2 Comments
JO
A Spike task is an captured action item, visible in your inbox until you either action it , delete it, or 'reschedule' it to a future date ('snoozing', in...Read more
Spike - Syncing Mailbox Settings between devices - Feature Request
2 Comments
Official Response from Spike
Hey Serge,
Hi Serge,
We currently don't offer a single login because common solutions have security disadvantages, and above all, Spike prioritizes...Read more
What is a spike in Devops?
2 Comments
UG
A spike is a user story for which the team cannot estimate the effort needed. In such a case, it is better to run time-boxed research, exploration to learn...Read more
Has anyone managed to use the copy and paste function from excell?
2 Comments
AP
Strange -- when I do it, the columns and rows are maintained (though some of the formatting is not kept).
What version are you using? I'm still using...Read more
What is the use of Thunderbird software?
1 Comment
SK
It allows you to manage multiple emails in a single window without back and forth switching. That's the main use I found. Besides that, it also has a good...Read more
Has anyone managed to use the copy and paste function from excell?
1 Comment
BR
Thunderbird does not recognize Excel’s formatting the way Outlook can. But, it can recognize formatting from Word. Copy paste from Excel to Word, then from...Read more
Hunting for software insights?
With over 3 million reviews, we can provide the specific details that help you make an informed software buying decision for your business. Finding the right product is important, let us help.
Your software and services insights are valuable.
Your peers come to G2 to get an inside look at and other business solutions. Adding perspective on will help others pick the right solution based on real user experience.
