Zoho CRM Opposing VTiger and MS Dynamics

Hi Experts! I just want to ask if someone can sum up the good and bad side of Zoho CRM as opposed to VTiger or MS Dynamics. This is for company use but since we do not have an IT Professional here, we will be needing a simple set up and minimal supervision. We also added iPhone and iPad in our mobile long term services. Any help and ideas will best appreciated. Thank you.
