🏆Among Communication apps bottom 0% by installs gained this week (151 peers growing)
⭐Rating steady at ★ 3.02 since Sep 26
🛠Updatesquiet · updated 36 days ago · every ~14 days (2 updates tracked)
🔁Ownership the developer account Mozilla Thunderbird changed company behind it · Nov 3, 2026
Installs since launch
0 installs
· -87 ratings
since Sep 26
Update history
24.0Oct 6, 2026 · seen Oct 24, 2026
K-9 Mail version 24.0<br><br>New:<br>- Signatures support HTML<br>- Reply offers Reply or Reply All<br><br>Changed:<br>- Long account names fit in two lines<br><br>Fixed:<br>- Compose selection invisible in light theme<br>- Status icons unreadable when selecting messages<br>- Recipient expander failed to collapse after edit<br>- Camera attachments could crash the app<br>- Save All saved each attac
23.1Sep 22, 2026 · seen Sep 26, 2026
K-9 Mail version 23.1<br><br>Fixed:<br>- Attachment filenames with non-ASCII characters were incorrectly decoded and saved<br>
K-9 Mail is a communication app by Mozilla Thunderbird with 5,000,000+ downloads (about 9.5M estimated). Rated 3.0 from 100K ratings. Install growth, rank history, SDKs and ad networks.
From the store listing: “K-9 Mail is an open source email client that works with basically every email provider.
Features
* supports multiple accounts
* Unified Inbox
* privacy-friendly (no tracking whatsoever, only connects to your email provider)
* automatic background synchronization or push notifications
* local and server-side search
*…”
