Thunderbird Ratings (September 2025)
This page breaks down Thunderbird ratings from all verified review sources to give you a clear, unbiased view of what real users think in September 2025.
We’ve aggregated the latest scores from all major platforms like Trustpilot, G2, Capterra and many more to help you understand Thunderbird’s overall reputation. This data-driven overview will show you exactly how Thunderbird is rated - including how it compares to competitors.
Thunderbird's Overall Rating Summary
- Average Rating:4.0/5
- Total Reviews:1,539 reviews
- Sources:G2, Capterra, Trustpilot, Trustradius, Producthunt, Getapp, Softwareadvice, Facebook
- Last updated:September 1, 2025
Thunderbird Ratings by Source
| Platform | Rating | Reviews | Last Update |
|---|---|---|---|
 G2 | 4.3/5 | 332+ reviews | 01.09.25 |
 Capterra | 4.4/5 | 153+ reviews | 01.09.25 |
 Trustpilot | 2.1/5 | 107+ reviews | 01.09.25 |
 Trustradius | 4/5 | 18+ reviews | 01.09.25 |
 Producthunt | 3.8/5 | 5+ reviews | 11.12.24 |
 Getapp | 4.4/5 | 153+ reviews | 01.09.25 |
 Softwareadvice | 4.4/5 | 153+ reviews | 01.09.25 |
 Facebook | 3.8/5 | 618+ reviews | 04.05.25 |
What is Thunderbird?
Thunderbird is an email, calendar, and contacts app that maximizes user freedoms by providing a unified inbox, customizable features, and privacy-focused open-source software. It supports multiple operating systems including Windows, macOS, and Linux, and is funded by user donations without collecting personal data or selling ads. Thunderbird offers powerful features like tagging, extensibility, and the ability to manage all accounts separately or in a unified inbox.
🤔 Thunderbird vs Competitors: How Do Ratings Compare?
Check out Thunderbird AlternativesFrequently Asked Questions
How trustworthy is Thunderbird?
According to G2 and Capterra review sites Thunderbird holds ratings of 4.3/5 and 4.4/5 respectively from 485 reviews, indicating that users consistently find value and reliability in the platform as of September 2025.
How many stars is Thunderbird rated?
Thunderbird has an average star rating of 4.0 out of 5 stars based on average of 1,539 reviews as of September 2025.
Where does the rating data come from?
The ratings are pulled from Thunderbird public reviews pages on platforms: G2, Capterra, Trustpilot, Trustradius, Producthunt, Getapp, Softwareadvice, Facebook. We update these ratings monthly to ensure they reflect the most current customer feedback.
How overall average rating for Thunderbird is calculated?
The overall average rating is calculated by taking the weighted average of all ratings, using the total reviews count from each platform as the weight.