QR code and bar code are both types of codes used to store and retrieve information. However, there are differences between the two:
1. Design: Bar codes are one-dimensional while QR codes are two-dimensional. Bar codes consist of a series of vertical lines of varying thickness and spacing while QR codes are made up of a grid of black and white squares.
2. Storage capacity: Bar codes can store a limited amount of information, usually up to 20 digits, while QR codes can store much more information, up to several hundred characters.
3. Scanning: Bar codes can only be scanned in one direction, from left to right, while QR codes can be scanned in any direction, including diagonally.
4. Error correction: QR codes have built-in error correction, which means that if part of the code is damaged or obscured, the scanner can still read the information (if the 3 eyes of the QR code is not damaged). Bar codes do not have this feature.
5. Usage: Bar codes are commonly used in retail stores for inventory and pricing purposes while QR codes are used in a variety of applications, including advertising, marketing, and mobile payments in India, enabling businesses to engage with their target audience in innovative ways. Additionally, the convenience and security provided by QR codes have made them a preferred choice for mobile payments, further driving their adoption across the Country
Moreover, it is worth noting that countries beyond India are rapidly adopting QR codes for inventory management and pricing purposes, following the trend set by their Indian counterparts
