← All apps

Security & privacy apps

Passwords, two-factor, encryption and VPNs.

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Karma Firewall

Karma Firewall blocks apps from accessing the Internet
- Security & privacy
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
Keep Alive

Notify others if you haven't used your device in a given period of time
- Security & privacy
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid GitHub Zapstore
Keep Alive Lite

Notify others if you haven't used your device in a given period of time
- Security & privacy
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
Keep: FROST Nostr Signer

FROST threshold signer and Nostr event signer for Android
- Security & privacy
- FOSS
- Free
- No ads
- No tracking
- Nostr
- Android only
F-Droid GitHub Zapstore
KeePassDroid

KeePass-compatible password safe
- Security & privacy
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid GitHub Zapstore
KeePassDX Passkey Vault

Manage Passkey / Password in a local and open-source vault
- Security & privacy
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid IzzyOnDroid GitHub Zapstore
KeePassVault

Client app for KeePass databases
- Security & privacy
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
Keyoxide

Verify decentralized cryptographic identities on the go
- Security & privacy
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid Zapstore
KeyPass

Offline, Secure, Private
- Security & privacy
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid GitHub Zapstore
Knock on Ports

A powerful client to manage and run port knocking sequences
- Security & privacy
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid GitHub Zapstore
Krautschlüssel

Control Krautspace's door
- Security & privacy
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid
LANShield

Protect your LAN by managing app access to your local network.
- Security & privacy
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid GitHub Zapstore
LessPass

Generate unique passwords for your accounts based on a master password
- Security & privacy
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid Zapstore
LineShield

Verify phone lines registered to your name in Mexico CRT portals
- Security & privacy
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid Zapstore
Lumine

A lightweight local HTTP/SOCKS5 proxy server protects TLS connections over TCP.
- Security & privacy
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
L×Box: VPN & Proxy Client

VPN client: 12+ protocols, subscriptions, app routing, balancing, traffic stats
- Security & privacy
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid GitHub Zapstore
MA Passwords

A basic passwords app
- Security & privacy
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
Mage

Android GUI for age file encryption, built on kage.
- Security & privacy
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
Magpie

Tamper-evident incident journal with encrypted, self-proving exports
- Security & privacy
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
Mauth

A Beautiful Two-factor Authentication app.
- Security & privacy
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
MemoryGuardian

Take Control of Your Clipboard
- Security & privacy
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid IzzyOnDroid GitHub Zapstore
Mercurygram Tor Plugin

Tor companion plugin that routes Mercurygram traffic through the Tor network
- Security & privacy
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
MetaPurge

Locally strip sensitive EXIF/metadata from your photos.
- Security & privacy
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid IzzyOnDroid GitHub Zapstore
Monica F-Droid

Open-source password manager: local encryption, autofill, TOTP, Passkey
- Security & privacy
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid Zapstore
Mooltifill

Use the Android Autofill service with the Mooltipass BLE hardware authenticator
- Security & privacy
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid
MotionLock

Keeps your device locked
- Security & privacy
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid Zapstore
mOTP

One-time password generator
- Security & privacy
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid Zapstore
mqvpn

Multipath VPN combining Wi-Fi and cellular for bonding and failover
- Security & privacy
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid GitHub Zapstore
My Wifi Passwords

View your Wi-Fi Passwords
- Security & privacy
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid
NeoLinker

Linkup sub-engine: select browser to open link
- Security & privacy
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid
Neruppu

Offline-first physical security monitoring using device sensors
- Security & privacy
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
NetGuard

A simple way to block access to the internet per application
- Android only
Google Play Aurora Store F-Droid IzzyOnDroid GitHub Zapstore
Neuron Encrypt

Local file encryption. No accounts. No internet. No compromise.
- Security & privacy
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid Zapstore
NewPass

Securely store and manage passwords of your digital realm with NewPass.
- Security & privacy
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid IzzyOnDroid GitHub Zapstore
Nextcloud Passwords

Secure app for viewing passwords for the Nextcloud Passwords app
- Security & privacy
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid GitHub Zapstore
Oblivion

Remote lock and wipe triggers for compromised or unattended devices.
- Security & privacy
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid Zapstore
OkcAgent

Make OpenKeychain available in your Termux shell
- Security & privacy
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub
Open Passkey Authenticator

App for managing passkey integrating in the Android Credential Manager.
- Security & privacy
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid Zapstore
open2share

Enable sharing files from every app (like WeChat)
- Security & privacy
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
OpenDNS Updater

OpenDNS Updater is an extremely easy to use android app to perform IP updates.
- Security & privacy
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid GitHub
OpenKeychain: Easy PGP

Encrypt your Files and Communications. Compatible with the OpenPGP Standard.
- Security & privacy
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid Zapstore
OPNsense Manager

Manage OPNsense firewall: monitor, configure rules, view logs & services
- Android only
Google Play Aurora Store F-Droid GitHub Zapstore
OTG Master

Mount VeraCrypt and LUKS encrypted USB drives on non-rooted Android
- Security & privacy
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid GitHub Zapstore
Oversec

Privacy for All Apps! Encrypt and Disguise Messages in All Your Apps!
- Android only
Google Play Aurora Store F-Droid
Paranoid's Pal - Privacy Lock

Unlock Privacy, Secure Your World
- Security & privacy
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid IzzyOnDroid GitHub Zapstore
Passchain

Use security key with Bluetooth, NFC, USB or your phone secure element
- Security & privacy
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid IzzyOnDroid Zapstore Accrescent
Passky

simple, modern and open source password manager
- Security & privacy
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub
Passman

Allow you to manage the credentials stored in your Nextcloud Passman app.
- Security & privacy
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid IzzyOnDroid GitHub Zapstore