Security
Large selection of free and FOSS Android apps and games with verified security and privacy protection.
Open Source Security Apps: Page 8
Security for Android

Hidden Profile owner Android security app.
⬇251+

scan installed apps and highlight privacy risks by analyzing their permission
★5.0 ⬇249+

Offline password manager with cross-platform synchronization
⬇247+

A password manager where you are the only one who has access to your passwords
★5.0 ⬇247+

Mount and access VeraCrypt encrypted volumes on Android
⬇235+

Scan for open and closed TCP ports!
⬇222+
secure LUKS unlocking using usb accessory mode without typing your LUKS password
⬇216+
Anti-censorship with Unicode
⬇214+

Easy watermarking tool for your sensitive images
⬇164+

A file and text encryption tool for Android
⬇145+

Cross-platform password manager
⬇141+

Free AppLocker
⬇140+

Protect private files from apps with "All Files Access" - no trade-offs needed.
★5.0 ⬇128+
deny USB debugging on new computers
⬇126+

Attest the trustworthiness of a device using asymmetric cryptography
⬇118+

Privacy-focused emergency app with SMS location tracking and silent recording.
⬇118+
scans your SMS for any known domain that is related with the spyware Predator
⬇109+

Program (over USB or NFC) the static password of your YubiKey
⬇107+

SOS Signaling & Recovery
⬇106+

Block apps, reels, explicit keywords and more.
⬇102+

encrypt, decrypt and sign data using RSA and AES
⬇101+

Calculate your Android device’s privacy score based on installed apps.
⬇94+

Open-source zero-trust cryptography & privacy suite with multi-layer encryption.
⬇88+

Xposed module to fast-forward face unlock
⬇80+

Secure 2FA authenticator with blockchain backup and encryption.
⬇78+

Open-source 2FA authenticator. Encrypted on-device. No accounts.
⬇74+

Block distracting apps and reduce screen time
⬇56+
Parental control app that blocks adult content and dangerous sites on-device.
⬇53+

Verify calls from family, colleagues, sources against deepfake impersonation.
⬇51+

Air-gapped Bitcoin signer for offline cold storage. QR-only, no network.
⬇49+