There are no specific rules that are used for differentiating the automotive scan tool. There are particular functionalities which are not the same as the other person. Both the tools are employed for reading the essential code as well as for researching the functionalities and it’s also where the functionalities of the code reader can easily. Whenever you are with all the scanned tools you will be obtaining the feature of the advanced kind of data reading in addition to playback features with diagnostic procedures, inbuilt equipment for testing and bases with extensive knowledge.Code reader versus scan toolWhen it comes to comparing what type is better then are equally good. When you are looking for a purchase which is cheap or simple for using then you can certainly select the code reader. So here, your task will be to see the codes and clear them and that’s why they are an inexpensive tool. There are numerous affordable code readers that will enable you to definitely connect to the entire parameters together with powerful information. So when you are deciding on the scanning tool you will end up finding a great deal of features and they’re quite definitely useful yet expensive. theobd2 diagnostic app can be used. Functionalities of the code reader1. Reading and displaying the codes.2. Clearing the codes then resetting it for examining the engine light.3. Displaying the names with the trouble code.4. Displaying the live data.5. Displaying the info of freeze frame.6. Provides you with all the monitor status, which will be visible.7. Helps in resetting the readiness monitors.Functionalities of scan tool• A scan tool will allow you to in analyzing and reading together with clearing the codes. Even if you’re getting the scan code of entry level, then also you are receiving the necessary information like basic troubleshooting functionalities with code definitions. • When you are purchasing the high-end automotive scan tool, you are having the troubleshooting procedures in addition to in-depth diagnostic. A lot of them are also having the multimeters and scope. So within the comparison of code reader and scan tool you’ll have to analyze the functionalities that you will be needing to be able to perform your task inside a better way.