nAuth - 2FA Authenticator App

🔐 nAuth - Two-Factor Authenticator Secure your digital life with nAuth, a professional-grade 2FA authenticator that works completely offline. Generate time-based (TOTP) and counter-based (HOTP) codes for all your accounts with industry-standard security.

🌟 KEY FEATURES

✅ Universal Compatibility
• Works with GitHub, Google, Microsoft, AWS, and 500+ services
• RFC 6238 & RFC 4226 compliant (industry standard)
• Supports both TOTP (time-based) and HOTP (counter-based) codes

✅ Easy Setup
• Instant QR code scanning for quick account setup
• Manual entry option for backup codes
• Duplicate account detection and prevention

✅ Maximum Security
• 100% offline operation - no internet required after setup
• Encrypted local storage with SQLite database
• Secure key management with expo-secure-store
• No data leaves your device - complete privacy

✅ Smart Features
• Time drift tolerance (±60 seconds) for reliable authentication
• Real-time code generation with 30-second refresh
• Professional-grade HMAC-SHA1 implementation
• Comprehensive error handling and validation

✅ User Experience
• Clean, modern interface with gradient cards
• Dark mode support with elegant animations
• Copy codes with single tap
• Account management with search and filtering

🔒 PRIVACY & SECURITY

Your security is our priority. nAuth stores all data locally on your device with encryption. No accounts, no cloud sync, no data collection. Once you log in initially, everything works offline forever.

🎯 PERFECT FOR

• Developers and IT professionals
• Security-conscious users
• Anyone wanting reliable 2FA without cloud dependency
• Users who value privacy and offline functionality

📱 SUPPORTED SERVICES

Works with any service that supports RFC 6238/4226 standards:
• GitHub, GitLab, Bitbucket
• Google, Microsoft, Apple
• AWS, DigitalOcean, Cloudflare
• Discord, Reddit, Twitter
• Banking and financial apps
• And hundreds more...

Download nAuth today and take control of your digital security with confidence! 🚀

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🏷️ Keywords: authenticator, 2FA, TOTP, HOTP, security, offline, encrypted, QR scanner, two-factor authentication, privacy