Please help

When the photo finish sinked my iPad to my iPhone it jumbled all of my clients names, and moved the pictures from client to client. So a picture of my grandma is now in the profile of a male client.It has also altered all of my past appointments, which will effect my taxes. Its stating I have clients on my books that I havent seen in 4 years. I cannot get ahold of the app developers. I dont know what to do

Ash attack hair about Photo Finish Salon