Phone & SMS

Simple Contacts Pro

Contacts address book for managing recent contacts and vcf contact backups

Session F-Droid

Encrypted private messenger


Block unknown callers


Redirect outgoing calls to Signal/Telegram/Threema


VoIP User Agent app for Android based on baresip SIP library


Vibrate on a call answer or end


VoIP User Agent app for Android based on baresip SIP library


Secure messenger for Matrix with a traditional instant messaging experience


Secure and distributed communication platform


Chat with your friends with FluffyChat.

Element - Secure Messenger

Group messenger - encrypted messaging, group chat and video calls

Wire • Secure Messenger

Wire offers highly secure communication – anywhere and anytime.

Privacy Cell

Verify that a phone is using the most secure cell protocols.

Linphone - open source SIP client

SIP (VOIP) phone


Chat on the Jabber network (XMPP protocol); focus on features for gateway users

Jitsi Meet

Instant video conferences efficiently adapting to your scale

SMS Import / Export

Imports and exports SMS and MMS messages and call logs.


uniquely stylized phone app with customizable features


Locate your smartphone via SMS when it gets lost


A privacy centric matrix client

Raise To Answer

Simply hold your phone to your ear to answer an incoming call


The Foehnix weather widget aims at helping pilots with weather conditions

Baby Phone

A pretend phone app for little people who want to practice talking to others.


A different database for contacts to keep them private only to you. SMS

Send and read SMS via


Free and secure videoconferencing solution

Simlar - free and secure calls

Encrypted and free phone calls over the internet

Simple sms remote

Control your device by sending text messages

SD Contacts

Automatically store your contacts to your SD card

Flash Alert - Call and Message

Blink the terminal when receiving a call, SMS or an application notification