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• Bar code vs QR code.
  • Bar code has lower dimension. It supports only 1 dimension. QR code has higher dimension. It supports 2 dimensions.
  • Bar code holds lower amount of informations than QR code.
  • Bar code is easier to read and more durable. For example bar code can still be read under dirt or low light. This is why bar code is still used in super market.
• Link to Quora discussion, https://www.quora.com/What-are-the-advantages-of-a-QR-code-over-a-barcode.
• Screenshot.

!./download.png](./download.png)ad.png)