SyncDroid - SyncDroid is basically and iOS and Android smartphone manager that lets the users of both smartphones to transfer their mobile content from one smartphone to another within few simple steps.

fruux - Free service that takes care of your contacts, calendars and more so you don't have to.

Jihosoft Phone Transfer - This mobile data transfer application is also called as one click phone to phone data transfer application because of making the process of data transferring really easy and simple for its users.

FullContact - Put the power of full contact information into your web or mobile apps.

Phone Transfer - Phone Transfer is basically a data manager that support for the transferring of data from one smartphone to another one.

Google Contacts - Google Contacts is Google's contact management tool that is available in its free email service Gmail, as a standalone service, and as a part of Google's business-oriented suite of web apps Google Apps.