Actually throughout the entire life span of the Kia Soul as a vehicle overall basic maintenance has remained minimal to date. This is one huge reason for the popularity of the Kia Soul as well.
To go even further Kia and Hyundai have their own oil filters and if used and oil service kept up to date your engine will thank you for it for years & both brands have a great warranty.
I have heard of owners using different oil filters which function different than the Kia and Hyundai brand. The Kia and Hyundai oil filters have a more precise job at regulating oil pressure is one main reason to use them as required.
And price wise there is no difference really so why not use the right one every time. I know I would to protect the second most expensive purchase in your life next to a home. Engine photo below. Enjoy.