Quien Llama tells you which is the cell phone company of your contacts in Chile
Quien Llama - Who is Calling lets you know which is the company of the cell phones in Chile. Yes, also with the cell phones which changed their company.
Remember synchronize portability periodically in the application to update your contact companies.
Doubts, questions and suggestions you can make it on our twitter http://twitter.com/QuienLlamaQMD