Android Apps for Privacy and Security
Open source apps.
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Aegis Authenticator is a free, secure and open source app to manage your 2-step verification tokens for your online services.
- Authenticator
- Free • Open Source
- Android
- F-Droid
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Collects and analyses mobile radio data to make you aware of your mobile network security and to warn you about threats like fake base stations (IMSI catchers), user tracking, and SS7 attacks.
- Free • Open Source
- Android
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Shelter is a Free and Open-Source (FOSS) app that leverages the “Work Profile” feature of Android to provide an isolated space that you can install or clone apps into.
- Virtualization Tool
- Free • Open Source
- Android
- Android Tablet
- F-Droid
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Sandbox environment to clone selected apps and isolate them from accessing your personal data.
- Free • Open Source
- Android
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A security and privacy focused mobile operating system compatible with Android apps. Google-free secure Android for the latest hardware.
- Android ROM
- Paid • Proprietary
- Android
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Bromite is a Chromium fork with support for ad blocking and enhanced privacy.
- Web Browser
- Free • Open Source
- Android
- Android Tablet
- F-Droid
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Haven is for people who need a way to protect their personal spaces and possessions without compromising their own privacy. It is an Android application that leverages on-device sensors to provide monitoring and protection of physical spaces.
- Free • Open Source
- Android
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FreeOTP is a two-factor authentication application for systems utilizing one-time password protocols with support for Android (6 or later) and iOS (11 or later). Tokens can be added easily by scanning a QR-code or by manually entering in the token configuration.
- Authenticator
- Free • Open Source
- Android
- iPhone
- Android Tablet
- iPad
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OpenKeychain helps you communicate more privately and securely. It uses high-quality modern encryption to ensure that your messages can be read only by the people you send them to, others can send you messages that only you can read, and these messages can be digitally signed so...
- Free • Open Source
- Android
- Android Tablet
- K-9 Mail
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An ad blocker that uses the hosts file. The hosts file contains a list of mappings between hostnames and IP addresses. When an app requests an ad, that request is directed to 127.0.0.1 which does nothing.
- Ad Blocker
- Free • Open Source
- Android
- Android Tablet
- F-Droid
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Open Camera is an Open Source Camera app for Android phones and tablets. Features:
- Camera App
- Free • Open Source
- Android
- Android Tablet
- F-Droid
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Protect your communication in transit and on your phone. Silence (formerly SMSSecure) is a full replacement for the default text messaging application: all messages are encrypted locally and messages to other Silence users are encrypted over the air.
- Instant Messenger
- Free • Open Source
- Android
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Orbot is a freely licensed open-source application developed for the Android platform. It acts as a front-end to the Tor binary application, and also provides an HTTP Proxy for connecting web browsers and other HTTP client applications into the Tor SOCKS interface.
- VPN Service
- Free • Open Source
- Mac
- Android
- iPhone
- Android Tablet
- iPad
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Secure Swiss-based email with end-to-end encryption and zero third-party access. Available across devices, offering a free version to promote privacy.
- WebMail Provider
- Freemium • Open Source
- Mac
- Windows
- Linux
- Online
- Android
- iPhone
- iPad
- Tor
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Signal is a messaging app with an unexpected focus on privacy, combined with all the features expected from a modern IM app. Signal has received a lot of praise from all around the world for its security and privacy-respecting technologies.
- Instant Messenger
- Free • Open Source
- Mac
- Windows
- Linux
- Android
- iPhone
- iPad
- Flathub
- Ubuntu
- Debian
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Transportr is the public transport companion that respects your privacy and your freedom. Transportr is a non-profit app developed by people around the world to make using public transport as easy as possible wherever you are.
- GPS Navigation Service
- Free • Open Source
- Android
- F-Droid