Thunderbird Beta for Testers25.0b - Google Play
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Publisher Description
Thunderbird is a 100% open source, privacy focused email app.
Help make the next Thunderbird release as awesome as possible by downloading Thunderbird Beta and getting early access to the latest features and bug fixes before they're officially released. Your testing and feedback are important, so please report bugs, rough edges, and share your thoughts with us!
Find our bug tracker, source code, and wiki at
https://github.com/thunderbird/thunderbird-android
.
We’re always happy to welcome new developers, designers, documenters, translators, bug triagers and friends. Visit us at
https://thunderbird.net/participate
to get started.
What you can do
Thunderbird is a powerful, privacy-focused email app. Effortlessly manage multiple email accounts from one app, with a Unified Inbox option for maximum productivity. Built on open-source technology and supported by a dedicated team of developers alongside a global community of volunteers, Thunderbird never treats your private data as a product. Supported solely by financial contributions from our users, so you never have to see ads mixed in with your emails again.
- Ditch multiple apps and webmail. Use one app, with an optional Unified Inbox, to power through your day.
- Enjoy a privacy-friendly email client that never collects or sells your personal data. We directly connect you to your email provider. That’s it!
- Take your privacy to the next level by using OpenPGP email encryption (PGP/MIME) with the “OpenKeychain” app, to encrypt and decrypt your messages.
- Choose to sync your email instantly, at set intervals, or on-demand. However you want to check your email, it’s up to you!
- Find your important messages using both local and server-side search.
Compatibility
- Thunderbird works with IMAP and POP3 protocols, supporting a wide range of email providers, including Gmail, Outlook, Yahoo Mail, iCloud, and more.
Why use Thunderbird
- The trusted name in email for over 20 years - now on Android.
- Thunderbird is fully funded by voluntary contributions from our users. We don’t mine your personal data. You are never the product.
- Made by a team that is as efficiency-minded as you are. We want you to spend minimal time using the app while getting maximum in return.
- With contributors from all over the world, Thunderbird for Android has been translated into more than 20 languages.
- Supported by MZLA Technologies Corporation, a wholly owned subsidiary of the Mozilla Foundation.
Open Source and Community
- Thunderbird is free and open source, which means its code is available to see, modify, use and share freely. Its license also ensures that it will be free forever. You can think of Thunderbird as a gift from thousands of contributors to you.
- We develop in the open with regular, transparent updates on our blog and mailing lists.
- Our user support is powered by our global community. Find the answers you need, or step into the role of a contributor - whether it’s answering questions, translating the app, or telling your friends and family about Thunderbird.
About Thunderbird Beta for Testers
The company that develops Thunderbird Beta for Testers is Mozilla Thunderbird. The latest version released by its developer is 25.0b.
To install Thunderbird Beta for Testers on your Android device, just click the green Continue To App button above to start the installation process. The app is listed on our website since 2026-10-05 and was downloaded 0 times. We have already checked if the download link is safe, however for your own protection we recommend that you scan the downloaded app with your antivirus. Your antivirus may detect the Thunderbird Beta for Testers as malware as malware if the download link to net.thunderbird.android.beta is broken.
How to install Thunderbird Beta for Testers on your Android device:
- Click on the Continue To App button on our website. This will redirect you to Google Play.
- Once the Thunderbird Beta for Testers is shown in the Google Play listing of your Android device, you can start its download and installation. Tap on the Install button located below the search bar and to the right of the app icon.
- A pop-up window with the permissions required by Thunderbird Beta for Testers will be shown. Click on Accept to continue the process.
- Thunderbird Beta for Testers will be downloaded onto your device, displaying a progress. Once the download completes, the installation will start and you'll get a notification after the installation is finished.
Program Details
System requirements
Download information
Pricing
Version History
version 25.0b1
posted on 2026-10-05
Thunderbird version 25.0b1
New:
- New funding appeal helps keep Thunderbird alive!
- Feature flags can be updated without app updates
Fixed:
- Deleted email notifications could reappear
- HTML signature text disappeared after rotation
- HTML drafts could hide or lose attachments
- Add to contacts crashed without a Contacts app
- Large PGP attachments showed no encryption progress
- Account drawer could behave inconsistently
- Acccount drawer controls blocked content on small displays
version 25.0b1
posted on 2026-10-05
Thunderbird version 25.0b1
New:
- New funding appeal helps keep Thunderbird alive!
- Feature flags can be updated without app updates
Fixed:
- Deleted email notifications could reappear
- HTML signature text disappeared after rotation
- HTML drafts could hide or lose attachments
- Add to contacts crashed without a Contacts app
- Large PGP attachments showed no encryption progress
- Account drawer could behave inconsistently
- Acccount drawer controls blocked content on small displays
version 24.0b2
posted on 2026-09-14
Thunderbird version 24.0b2
Fixed:
- Attachment filenames with non-ASCII characters were incorrectly decoded and saved
- HTML signature text could disappear after rotating the screen
version 23.0b1
posted on 2026-09-08
Thunderbird version 23.0b1
Fixed:
- Signature field only accepted single-line text in Composition defaults
version 22.0b2
posted on 2026-07-28
Thunderbird version 22.0b2
Fixed:
- Could not empty the Trash folder using the Empty Trash action
version 21.0b2
posted on 2026-07-20
Thunderbird version 21.0b2
Fixed:
- Manage Folders opened the wrong account instead of the selected account
- Application crashed when attempting to change account color
version 21.0b1
posted on 2026-06-22
Thunderbird version 21.0b1
Changed:
- Animation setting now allows On, Off, and System Default options
- Modernized 'Fetching mail' account settings screen
Fixed:
- Modernized 'Composition defaults' screen
- Application could crash due to memory exhaustion
- Application could crash when rendering long messages
- Inline images were shown as attachments instead of displaying in message
- Server search results could disappear
- Links failed when trailing punctuation incorrectly included in URLs
version 20.0b2
posted on 2026-06-04
Thunderbird version 20.0b2
New:
- Enable easily discoverable way to configure and use Thundermail
Fixed:
- K-9 Mail crashed when scanning Thundermail QR code
version 20.0b1
posted on 2026-05-26
Thunderbird version 20.0b1
Changed:
- Only show message notification config actions above the cutoff
Fixed:
- Account drawer stayed open after account switch despite auto-select Inbox setting
- Imported settings could incorrectly show 'XX' avatar monogram
- Printed emails omitted message headers and used minimal margins
- Compose button did not work in tablet split-screen message view
- New mail notifications showed avatars when contact pictures were disabled
version 19.0b1
posted on 2026-04-14
Thunderbird version 19.0b1
New:
- Message notification actions can be configured
- Message font size scales with device preferences
Fixed:
- Thunderbird crashed on Android 8 when fetching images
- Accidental swipe in message viewer marked unread email as read
Disclaimer
Official Google Play Link
We do not host Thunderbird Beta for Testers on our servers. We did not scan it for viruses, adware, spyware or other type of malware. This app is hosted by Google and passed their terms and conditions to be listed there. We recommend caution when installing it.
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