Contacts 2 is a free iPhone application developed by Vincent Tourraine. It falls under the category of Social & Communication, specifically in the subcategory of social networking. Designed for the people you love, this address book offers a convenient and user-friendly way to manage your contacts.

With Contacts 2, you can quickly make phone calls, send text messages, and emails to your contacts. The app simplifies the process, making it easy to stay in touch with your loved ones.

One of the standout features of Contacts 2 is its synchronization capability. Your contacts are always synchronized, so you don't have to worry about manually updating them across different devices. This ensures that your contact information is always up to date and readily accessible.

In addition, Contacts 2 allows you to use custom mail clients such as Gmail, Microsoft Outlook, Yahoo Mail, Dispatch, Airmail, Spark, or Fastmail. This flexibility enables you to choose the email client that best suits your needs and preferences.

Furthermore, Contacts 2 introduces the Today Widget, which allows you to conveniently find your contacts' birthdays. This feature ensures that you never miss an important date and can easily celebrate with your loved ones.

Overall, Contacts 2 is a simple and synchronized address book that offers a seamless way to manage and communicate with your contacts on your iPhone. It's a valuable tool for staying connected with the people you care about.