K9 Secure Chat

VPSie Inc. Communication

K9 Secure chat is an End-To-End Encrypted "Zero Trust" based chat application

Downloads: 398+; on Google Play
Price: Free; No in-app purchases
Updated: Oct 2; 2026 · v3.3.17

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About K9 Secure Chat

K9 Secure chat is an End-To-End Encrypted, "Zero Trust" based chat application providing anonymous communications with no tracking possibility - Only usable with K9 servers - on-premise, cloud-based or hybrid over VPN maintaining the most possible level of security in communications within entities, governments and closed teams.

What’s new

Version 3.3.17 · Updated October 2, 2026

Call reliability improvements: • Starting a one-to-one call rings the other person again. • Answering a call no longer rings the caller back. • One-to-one calls no longer drop when the other person switches between Wi-Fi and mobile data.

User reviews

SkyLive Ridoy

Nice and secure

Jonathon Creg

Great app!

App details

K9 Secure Chat is a free Communication app for Android with 100+ installs on Google Play. It was released on January 11, 2022 and last updated on October 2, 2026. It's developed by VPSie Inc.. It requires Android 7.0 or later.

Category: Communication
Installs: 398
In-app purchases: No
Ads: No ads
Version: 3.3.17
Requires Android: 7.0
Content rating: Everyone
Released: January 11, 2022
Last updated: October 2, 2026
Developer: VPSie Inc.

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Alternatives to K9 Secure Chat

Looking for apps like K9 Secure Chat? Here are 6 similar Android apps on Google Play. The highest rated is Color Call Screen & Ringtone (4.9/5), and all 6 are free to download.

K9 Secure Chat vs. alternatives
App	Rating	Price	Installs	Last updated	Compare
K9 Secure Chat	–	Free	100+	Oct 2, 2026
AGRO AFRIK	–	Free	50+	Aug 31, 2023	Compare
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Stickers de Vete a la Versh	–	Free	500+	Sep 18, 2023	Compare
Color Call Screen & Ringtone	4.9 / 5	Free	5,000+	Oct 16, 2023	Compare
V2Ray	–	Free	500+	Sep 5, 2023	Compare

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