K-9 Mail

Installs

9.4m

Rating

3.4

Rating count

100k

Category	Communication
Developer	MZLA TECHNOLOGIES CORPORATION
Price	Free
Version	11.1
In-app purchases	No
Contains ads	No
Content rating	Everyone
Package name	com.fsck.k9

View on Play Store

Core Metrics

Data Breakdown

Date	Rating Count	Average Rating	Installs	Version
9/13/2025	100,010	3.400	9,436,827	11.1
9/12/2025	100,009	3.231	9,436,827	11.1
9/11/2025	100,002	3.349	9,436,095	11.1
9/10/2025	100,002	3.345	9,435,193	11.1
9/9/2025	99,998	3.400	9,434,732	11.1
9/8/2025	100,000	3.347	9,434,052	11.1
9/7/2025	99,995	3.246	9,434,052	11.1
9/6/2025	99,985	3.254	9,433,601	11.1
9/5/2025	99,979	3.248	9,432,916	11.1
9/4/2025	99,977	3.248	9,432,388	11.1
9/3/2025	99,972	3.651	9,431,669	11.1
9/2/2025	99,971	3.651	9,431,050	11.1
9/1/2025	99,969	3.651	9,430,485	11.1
8/31/2025	99,966	3.651	9,429,983	11.1
8/30/2025	99,965	3.651	9,429,513	11.1
8/29/2025	99,949	3.657	9,428,185	11.1
8/28/2025	99,948	3.657	9,427,734	11.1
8/27/2025	99,943	3.657	9,427,734	11.1
8/26/2025	99,946	3.657	9,426,473	10.1
8/25/2025	99,953	3.657	9,426,094	10.1
8/24/2025	99,952	3.657	9,425,637	10.1
8/23/2025	99,956	3.657	9,425,637	10.1
8/22/2025	99,953	3.657	9,424,766	10.1
8/21/2025	99,951	3.682	9,424,766	10.1
8/20/2025	99,949	3.694	9,423,547	10.1
8/19/2025	99,947	3.599	9,423,052	10.1
8/18/2025	99,945	3.599	9,423,052	10.1
8/17/2025	99,945	3.599	9,422,204	10.1
8/16/2025	99,943	3.599	9,421,732	10.1
8/15/2025	99,945	3.606	9,420,988	10.1
8/14/2025	99,942	3.395	9,420,637	10.1
8/13/2025	99,937	3.395	9,419,997	10.1
8/12/2025	99,935	3.242	9,419,997	10.1
8/11/2025	99,932	3.242	9,419,530	10.1
8/10/2025	99,936	3.242	9,419,128	10.1
8/9/2025	99,930	3.244	9,418,445	10.1
8/8/2025	99,928	3.244	9,418,033	10.1
8/7/2025	99,930	3.980	9,417,535	10.1
8/6/2025	99,932	3.980	9,416,560	10.1
8/5/2025	99,936	3.980	9,416,560	10.1
8/4/2025	99,936	3.980	9,415,597	10.1
8/3/2025	99,937	3.980	9,415,597	10.1
8/2/2025	99,935	3.980	9,414,555	10.1
8/1/2025	99,930	3.980	9,413,895	10.1
7/31/2025	99,927	3.980	9,413,495	10.1
7/30/2025	99,923	3.980	9,413,495	10.1
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

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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