UITableView clear background

    // Fix for iOS 7 to clear backgroundColor
    cell.backgroundColor = [UIColor clearColor];
    cell.backgroundView = [[UIView new] autorelease];
    cell.selectedBackgroundView = [[UIView new] autorelease];

in cellForRowAtIndexPath

Also, make sure that your tableview actually has transparent background (in storyboard):

Put this:

cell.backgroundColor = [UIColor clearColor];

In this section:

cellForRowAtIndexPath