NFCBlanks vs Auth Sync

NFCBlanks – Secure NFC Tag Writing & Management NFCBlanks is a powerful NFC tag writing and management app designed for secure authentication, data storage, and contactless transactions. Whether you're a business or an individual looking to enhance security, NFCBlanks offers a seamless way to program and read NFC tags with advanced encryption. Key Features: Write & Read NFC Tags – Easily program NFC tags with secure data, URLs, or custom information. Take full control of your NFC tags with NFCBlanks and experience next-level security and convenience. Download now and unlock the power of secure NFC

Auth Sync is a 2FA (TOTP) authenticator focused on privacy and simplicity. Generate and use OTP offline, then enable end-to-end encrypted cloud sync only when you need it. Your TOTP vault is encrypted on device—the server has zero knowledge. Highlights TOTP add & scan: QR scan, manual input, 6/8 digits, SHA1/256/512, 30s/60s. Folders & search, tagging, quick copy. E2EE cloud sync on demand; encryption keys never leave your devices. Secure sharing across your own devices (E2EE). Export/Import with encrypted backups; import from common authenticators. Extras: password generator, temporary email, Base64 encode/decode. Local encrypted backups to Files/iCloud. Security True E2EE with zero-knowledge backend. No collection of TOTP contents. Integrity checks to protect your vault. How it works Add accounts (scan QR or enter secret). Use offline codes immediately. Sign in to enable E2EE Sync across devices. Export/Import for long-term backups.