How I an enjoy movie on my ipone , chich one I can choose

Recently , I’ve got some fantastic dvd filmes from my gf yesterday and want to put them onto my new iPhone.
I have used free version Cucusoft DVD to iPhone Converter and iOrgSoft DVD to iPhone Converter,it can try before dnowload ,I have dnowload them , I found them worked REALLY well and was pretty easy to use ，but I don’t kown which one suits me to use it ,how can I do ,anyone help me have a look ?
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