ContactsManager for Delphi XE8
http://www.fmxexpress.com/

Access IOS and Android contacts information using the IOS and Android APIs.

Install

Android:

Project | Options | Uses Permissions

Check Read Contacts

IOS:

Tools | SDK Manager

Pick your version of the IOS SDK. Scroll to the bottom. Add the AddressBook framework to the list of frameworks. 
Update the local Framework cache.