FullContact is a useful app when it comes to organize and clean centralized contacts across multiple accounts. It’s available for both iOS and Android users.
The app to be notified when people change email address and other information, and update your records for them easily across all your connected address books. It also helps you enrich contact details with social accounts, job titles and the like, which FullContact finds from tracking sources like Facebook, Twitter and LinkedIn.
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You can use FullContact as your phone’s main address book too. It allows you to call or email right from the app, and see the person you’re about to call’s recent social posts. That might help you understand why they’re not answering calls if they’re at a conference or in a movie kind of scenario. All things considered, it’s still a smart addition to your phone. The app is free to use.