iMazing DigiDNA SARL Promised a refund if application did not work, and did not give the refund. Geneva

I bought the application to monitor my kids text messages and when i downloaded the app, it continues to make my computer freeze and it does not backup my kids phones.  I have to continually restart my computer. I contacted them to get the refund within the time limits they set and they denied my request and have not responded since.  

Their promise of a "try the pogram for $140 without any worries" was a ripoff.  Now I have to find another application that will be capable of monitoring my kids text messages and pay someone else the money that I set aside for this.  Don't get this applicaitoon, it doesn't work.  If you have an iPhone, use iTunes, it's exactly the same thing, but it's free and won't freeze up your computer.