Attendiligence by Rao Information Technology combines advanced attendance with intelligence tracking to provide a range of smart attendance solutions, including: Tap Scan: Mark attendance by tapping RFID or NFC cards on a mobile phone. Deep Scan: Scans ID cards to record attendance efficiently. Code Scan: The app enables users to scan QR codes to track attendance. Attinder: The best FREE roll call app to mark attendance. Swipe left or right to mark students as absent or present. CICO: AI-Driven Smart Attendance Application. Selfie-based attendance tracking with GPS location verification.