ShieldApp

ShieldApp is a comprehensive Android security suite that provides enterprise-grade protection in a consumer-friendly package. Everything runs on-device — no cloud dependency, no API keys required, no data collection.

Features

Core Protection

Deepfake Detection — Real-time AI-powered video and media analysis using TensorFlow Lite and Google ML Kit

Scam Call & SMS Shield — Screens incoming calls and messages for fraud patterns and phishing links

Antivirus Engine — Signature + heuristic + YARA rule scanning with 54,000+ malware signatures and 9 real-time threat feeds

Tor VPN — Embedded Tor binary routes ALL device traffic through the Tor network with 24 exit country options

Security Intelligence

Dark Web Monitor — Real HIBP breach database checking (800+ breaches, password k-anonymity)

Breach Monitor — Scans device accounts against known breaches with per-account risk scoring

Network Monitor — Live connection tracking from /proc/net/* with server identification (Google, Meta, Cloudflare, etc.)

Privacy Score — 25 real on-device security checks across 5 categories with weighted scoring

Analysis Tools

App Auditor — Deep per-app analysis: 25 permission categories, 21 tracker SDKs, SHA-256 verification

Scam Number Lookup — 300+ area codes, call log scan, SMS phishing detection (48 patterns)

Email Phishing Scanner — 20+ NLP indicators for phishing, impersonation, and credential theft

Fake Review Detector — 20+ indicators including AI/ChatGPT text detection

Photo Forensics — EXIF deep analysis, sensor noise detection, edge sharpness, AI generation indicators

Digital Footprint — 18 deep scans mapping your data exposure across apps, accounts, and networks

Additional Features

Call Shield with call log analysis and hour-by-hour activity heatmap

Security News Feed from 8 live RSS sources (BleepingComputer, CISA, Krebs, etc.)

Password Checker with real HIBP k-anonymity breach check

Wi-Fi Scanner with encryption, captive portal, and ARP analysis

Fake Domain Monitor with typosquatting and homoglyph detection

Data Broker Opt-Out guide with 14 real broker opt-out links

SIM Swap Protection with carrier-specific instructions

Secure Notes vault with biometric lock

Photo Metadata Stripper

QR Code Scanner with URL safety analysis

Daily Security Challenge quiz

Floating protection bubble overlay

Tech Stack

Language: Kotlin

UI: Jetpack Compose + Material 3

Architecture: Multi-module (16 Gradle modules), MVVM, Hilt DI

AI/ML: TensorFlow Lite, Google ML Kit

Database: Room

Preferences: DataStore

Background: WorkManager

Networking: HttpURLConnection + Tor SOCKS5 proxy

Privacy: Embedded Tor (Guardian Project tor-android)

VPN: Android VpnService for system-wide traffic routing