Security
Large selection of free and FOSS Android apps and games with verified security and privacy protection.
Open Source Security Apps: Page 4
Security for Android

A password strength test app with crack times, warnings and suggestions.
★5.0 ⬇11 K+

Lock a device and wipe its data on emergency
⬇11 K+

A secure, 100% offline password manager.
⬇10 K+

Notify others if you haven't used your device in a given period of time
⬇10 K+

Block advertisements on Samsung Internet browser and Yandex Browser
⬇10 K+

Encrypted communication for mere mortals(superheroes welcome, too).
⬇10 K+

Checks apk(s) for known trackers (provided by Exodus) +other warnings and specs.
⬇10 K+

Manage your passwords
⬇9 K+

Keep your passwords safe across all platforms and devices.
⬇8 K+

Self-hosted services without pain
⬇8 K+

VPN client-side toolset.
★1.0 ⬇8 K+

Take Control of Your Clipboard
⬇8 K+

A Modern VPN based on WireGuard
⬇8 K+

manage and block unwanted incoming calls
⬇8 K+

Karma Firewall blocks apps from accessing the Internet
⬇7 K+

Firewall & AdBlocker (Root/VPN Supported). Material3 And Minimalistic Design
⬇7 K+

A directory of direct links to help you delete your account from web services
⬇6 K+

Poison data collection profiles by generating decoy signals.
⬇6 K+

Encrypted, Private note manager
⬇6 K+

PhoneAccount Abuse Detector for Android 9.0+ devices
⬇5 K+

Flexibly limit the usage duration
⬇5 K+

Client app for KeePass databases
⬇5 K+

Verify installed apps against shared signature hashes and databases.
⬇5 K+

KeePass-compatible password safe
⬇5 K+

Simple, open-source firewall blocking internet access via Shizuku or VPN.
⬇4 K+

Verify that a phone is using the most secure cell protocols.
⬇4 K+

The simplest, fastest, smallest Tor proxy app (early test release)
⬇4 K+

Duress password trigger
⬇4 K+

OverTLS & SSRoT Android client
⬇4 K+

Toggle Private DNS from Quick Settings (needs Shizuku or ADB for initial setup)
⬇4 K+