Video is changing color. Premiere Rush

[Jason164]

Hello.  I am using the free version of premiere rush on ios and the exposure or color is changing on my videos.  They are getting lighter. In the photo below, the original is on the left and the right has just ben brought in to PR and exported with no change.  Could it just be because the free version is dropping my resolution from 4K to 720?  Sorry I dont know anything about video editing.  Any help would be appreciated.