Never get this app – Group Text Free －Send SMS,iMessage,Email Message In Batches Fast Review

I had over 4000 contact and some of them are duplicate from time to time, so I purchased this app to combined those duplicate, however, the app had deleted most of my contents, now I had only 500, Never buy it.
Review by New reader 1 on Group Text Free －Send SMS,iMessage,Email Message In Batches Fast.