Comparison between Autel MaxiIM IM508 and Auro OtoSys IM100. Which one is a better Key Programming Tool?

As very popular car key programming tools in the market, Autel MaxiIM IM508 and Auro OtoSys IM100 look in a same appearance. Therefore, many people are doubt that what's difference between these 2 key programmers? Which one is more affordable and equipped with more IMMO, programming or diagnostic Services? We make their comparison in details, please refer to bellow chart.