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Compare Fastmail and Thunderbird 
At a Glance
Market Segments
Small-Business (76.5% of reviews)
Small-Business (64.3% of reviews)
Entry-Level Pricing
$5.00 1 User Per Month
No pricing available
Fastmail
Star Rating
(17)4.3 out of 5
Market Segments
Small-Business (76.5% of reviews)
Pros & Cons
Not enough data
Entry-Level Pricing
$5.00 1 User Per Month
Browse all 3 pricing plansThunderbird
Star Rating
(335)4.3 out of 5
Market Segments
Small-Business (64.3% of reviews)
Pros & Cons
Entry-Level Pricing
No pricing available
Learn more about ThunderbirdSummary
AI Generated Summary
AI-generated. Powered by real user reviews.
- Users report that Thunderbird excels in its Desktop Application functionality, receiving a score of 9.1, while Fastmail's mobile application is rated lower at 7.4, indicating that Thunderbird may offer a more robust experience for desktop users.
- Reviewers mention that Thunderbird's Unified Inbox feature is highly rated at 8.9, allowing users to manage multiple email accounts seamlessly, whereas Fastmail does not provide a comparable feature, which may hinder users with multiple accounts.
- G2 users highlight Thunderbird's superior Filters functionality, also rated at 8.9, which allows for more effective email organization compared to Fastmail, where users have noted limitations in filtering options.
- Users on G2 report that Thunderbird's Calendar integration is rated at 8.4, providing a more cohesive experience for managing schedules, while Fastmail's calendar features are less emphasized, leading to a less integrated user experience.
- Reviewers mention that Thunderbird's Quality of Support is rated at 7.9, which is significantly higher than Fastmail's 6.9, suggesting that users may find more reliable assistance when issues arise with Thunderbird.
- Users say that Thunderbird's Ease of Use is rated at 8.7, making it more user-friendly for everyday tasks, while Fastmail's score of 7.8 indicates that some users may face a steeper learning curve.
Pricing
Entry-Level Pricing
Fastmail
Standard
$5.00
1 User Per Month
Enhanced features for home or work.
- Everything on the the Basic plan
- 30GB per user of storage
- Use your own domains (you@yourname) and use up to 100 domains
Thunderbird
No pricing availableFree Trial
Fastmail
Free Trial is available
Thunderbird
No trial information availableRatings
Meets Requirements
7.7
10
8.7
300
Ease of Use
7.8
10
8.7
301
Ease of Setup
Not enough data
8.8
72
Ease of Admin
Not enough data
8.4
58
Quality of Support
6.9
9
7.9
221
Has the product been a good partner in doing business?
Not enough data
8.1
41
Product Direction (% positive)
6.5
10
7.7
298
Features by Category
Inbox Tools
Not enough data
8.9
101
Not enough data
8.9
107
Not enough data
8.5
96
Not enough data
8.7
104
Coordination Tools
Not enough data
8.4
90
Not enough data
8.6
99
Not enough data
8.4
88
Software Options
Not enough data
9.1
107
Not enough data
7.6
60
Email Client - Agentic AI
Not enough data
Not enough data
Not enough data
Not enough data
Sorting & Filtering
Not enough data
9.3
7
Not enough data
9.8
7
Not enough data
8.0
5
Not enough data
9.3
7
Integrations
Not enough data
8.6
7
Not enough data
9.0
7
Not enough data
8.1
6
Time Management
Not enough data
9.5
7
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
Reviews
Reviewers' Company Size
Fastmail
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
29.4%
Marketing and Advertising
11.8%
Human Resources
11.8%
Translation and Localization
5.9%
Telecommunications
5.9%
Other
35.3%
Information Technology and Services
13.1%
Computer Software
11.9%
Internet
6.7%
Marketing and Advertising
4.9%
Telecommunications
3.0%
Other
60.4%
Discussions
What is Fastmail used for?
1 Comment
KB
fast mailRead more
Fastmail has no more discussions with answers
Has anyone managed to use the copy and paste function from excell?
2 Comments
EC
CONTROL-V or right-click and Paste will keep the cells intact. Right click and "Paste Without Formatting" pastes only the raw data, but not in cells. 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
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
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