How to scan bar code using Lightning Barcode Scanner & Barcode Reader app

Scanning bar codes is a daily life work that is necessary for some peoples to do. But bar code scanner or bar code reader 's are costly and the other thing is that we can't use it everywhere because it needs power to work. Then finding an alternative is the best way to solve this issue.
I prefer using "bar code scanner and bar code reader app" on Android smartphone's, it is free and amazing.

How to use Bar code scanner and bar code reader app
*Bar code scanner* and bar code reader app can be used by following way:

Launch Bar code scanner and bar code reader app
point the camera on the bar code
it will scan and give result in minutes.

Try scanning bar code this way and save your money and time.