K-9 Mail

Installs

9.4m

Rating

4.0

Rating count

99.9k

Category	Communication
Developer	MZLA TECHNOLOGIES CORPORATION
Price	Free
Version	10.1
In-app purchases	No
Contains ads	No
Content rating	All ages
Package name	com.fsck.k9

View on Play Store

Core Metrics

Data Breakdown

Date	Rating Count	Average Rating	Installs	Version
7/29/2025	99,923	3.980	9,412,410	10.1
7/28/2025	99,918	3.980	9,412,410	10.1
7/27/2025	99,913	3.980	9,411,909	10.1
7/26/2025	99,909	3.980	9,410,628	10.1
7/25/2025	99,910	3.980	9,410,039	10.1
7/24/2025	99,906	3.980	9,409,408	10.1
7/23/2025	99,910	3.980	9,409,408	10.1
7/22/2025	99,907	3.980	9,408,795	10.1
7/21/2025	99,906	4.020	9,408,050	10.1
7/20/2025	99,903	3.980	9,408,050	10.1
7/19/2025	99,900	3.980	9,407,115	10.1
7/18/2025	99,900	3.980	9,406,379	10.1
7/17/2025	99,895	3.275	9,406,379	10.1
7/16/2025	99,892	3.258	9,406,112	10.1
7/15/2025	99,893	3.264	9,405,396	10.0
7/14/2025	99,890	3.264	9,404,421	10.0
7/13/2025	99,888	3.264	9,404,421	10.0
7/12/2025	99,887	3.264	9,403,992	10.0
7/11/2025	99,886	3.281	9,403,297	10.0
7/10/2025	99,882	3.281	9,402,833	10.0
7/9/2025	99,883	3.281	9,402,442	10.0
7/8/2025	99,879	3.281	9,401,753	10.0
7/7/2025	99,877	3.281	9,400,727	10.0
7/6/2025	99,873	3.298	9,400,727	10.0
7/5/2025	99,870	3.298	9,399,864	10.0
7/4/2025	99,867	3.298	9,399,864	10.0
7/3/2025	99,869	3.298	9,398,717	10.0
7/2/2025	99,871	3.298	9,398,717	10.0
7/1/2025	99,868	3.298	9,398,214	10.0
6/30/2025	99,865	3.298	9,397,691	10.0
6/29/2025	99,865	3.311	9,397,233	10.0
6/28/2025	99,865	3.311	9,396,777	10.0
6/27/2025	99,863	3.311	9,396,249	10.0
6/26/2025	99,859	3.658	9,395,347	10.0
6/25/2025	99,854	3.658	9,395,347	10.0
6/24/2025	99,853	3.676	9,394,110	10.0
6/23/2025	99,853	3.676	9,393,795	10.0
6/22/2025	99,853	3.676	9,393,795	10.0
6/21/2025	99,852	3.311	9,393,114	10.0
6/20/2025	99,850	3.311	9,392,752	10.0
6/19/2025	99,849	3.311	9,392,319	10.0
6/18/2025	99,850	3.311	9,391,679	10.0
6/17/2025	99,847	3.311	9,391,232	10.0
6/16/2025	99,843	3.311	9,390,714	10.0
6/15/2025	99,839	3.311	9,390,308	10.0
6/14/2025	99,836	3.311	9,389,364	10.0
6/13/2025	99,834	3.293	9,389,364	10.0
6/9/2025	99,835	3.411	9,388,261	10.0
6/8/2025	99,833	3.422	9,387,036	10.0
5/29/2025	99,830	3.293	9,386,357	N/A
5/28/2025	99,813	3.293	9,381,607	N/A
5/27/2025	99,813	3.293	9,381,285	N/A
5/24/2025	99,811	3.274	9,379,904	N/A
5/22/2025	99,806	3.664	9,378,952	N/A
5/21/2025	99,803	3.670	9,377,459	N/A
5/20/2025	99,797	3.693	9,377,459	N/A
5/19/2025	99,796	3.708	9,377,005	N/A
4/28/2025	99,770	3.417	9,366,978	N/A
4/24/2025	99,768	3.224	9,366,615	N/A
4/23/2025	99,752	3.330	9,364,513	N/A
4/22/2025	99,750	3.730	9,361,753	N/A
4/15/2025	99,748	3.736	9,361,753	N/A
4/10/2025	99,741	3.230	9,360,201	N/A
4/6/2025	99,734	3.222	9,357,783	N/A
3/10/2025	99,714	3.365	9,353,142	N/A
2/27/2025	99,677	3.389	9,339,450	N/A
2/20/2025	99,664	3.417	9,334,866	N/A
2/17/2025	99,646	3.425	9,332,203	N/A

Details

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
* OpenPGP email encryption (PGP/MIME)

Install the app "OpenKeychain: Easy PGP" to encrypt/decrypt your emails using OpenPGP.


Support

If you're having trouble with K-9 Mail, ask for help in our support forum at https://forum.k9mail.app


Want to help?

K-9 Mail is now part of the Thunderbird family and remains a community developed project. If you're interested in helping to improve the app, please join us! You can 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.

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