TOTPFree vs UPay

TOTPFree — A Minimal, Secure 2FA Authenticator Tired of bloated, complicated two-factor apps? TOTPFree brings two-factor authentication back to what it should be — secure, simple, and private. Open Source. No Ads. Privacy First. No account required. No tracking. All codes are generated locally — even works offline. Fast Setup via QR Scan Fully compatible with otpauth:// standard. Easily link accounts from Google, GitHub, Dropbox, and more. iCloud Sync (Optional) Keep your accounts safe and synced across all your Apple devices — only if you choose. Minimal Interface, Focused Experience No distractions. No unnecessary features. Just strong security, refreshed every 30 seconds. Free. Open-source. Trusted. Download TOTPFree now and take control of your digital security.

UPay is a self-custody digital asset wallet powered by a Rust security core engine, built for TRON network users. Unlike typical wallets, UPay's key management, transaction signing, and secure communication modules are built entirely from scratch in Rust, delivering native-level security and performance. [Rust Security Core Engine] - Private key signing logic written in Rust, not JavaScript/Dart - ECDH key exchange + HMAC request signing to prevent MITM attacks - DNS-over-HTTPS + SSL Certificate Pinning to block network hijacking - All sensitive operations completed locally on device, private keys never leave your phone [Full Self-Custody] - No account registration required, no phone number or email needed - Mnemonic stored only on your device, inaccessible to UPay - HD wallet architecture with multi-address support [TRON Ecosystem Focus] - USDT (TRC-20) and TRX asset management - Real-time on-chain balance and full transaction history - QR code scanning for quick transfers [Multi-Layer Security] - Face ID / Fingerprint + security password dual verification - Configurable auto-lock timeout - Mnemonic encrypted via system-level secure storage [Multi-Language] - Traditional Chinese, Simplified Chinese, English