Doesnt work after iOS 10 update

I would have given this app 5 stars yesterday before I updated to iOS 10. Loved it. Did exactly what I needed it to do. However.... after updating to iOS 10, the alarm doesnt always stay set, it doesnt show in the corner and it doesnt go off. Wont be able to use this app again until its updated to work with iOS 10.

SleeplessInGA about Alarm Clock Plus - The Ultimate Alarm Clock!, v1.0.1