Can't Save to Camera Roll – Steady Camera - Video Stabilizer & Slo-Mo Capture Review

I really like the stabilized videos this app produces. Problem is, I can't save them to my camera roll. (I'm using an iPhone 6.) Not much good to me if I can't save and use the video clips.
Review by iBatDad on Steady Camera - Video Stabilizer & Slo-Mo Capture.