Yes, you can easily scan a barcode using almost any modern smartphone equipped with a built-in digital camera and appropriate application software. Most contemporary smartphones running iOS or Android operating systems feature native barcode and QR code reading capabilities directly inside their standard camera applications without requiring third-party downloads. For specialized commercial tasks, inventory auditing, or price-checking, users can download dedicated applications from app stores that utilize the phone's camera and processor to decode product information, track inventory items, or access online e-commerce databases instantly.