^^^
Sure. Here is the iTunes description.
The app works with the same archive of the built-in Contacts app so everithing you do in ABContacts will be visible in Contacts and Phone app and converseley.
The advanced features will be very useful to those are using the iPhone for business or to those that have many contacts.
FEATURES UNIQUE TO ABCONTACTS :
Add new contact in one fast screen;
Contact filtering to show a reduced set of contacts.
Can filter by company, city, state, country and part of notes;
Send basic contact informations to other by email;
Shows upcoming birthdays;
Shows upcoming events;
Shows unfiled contacts;
Shows company, job title and department on the contact list;
FEATURES IN COMMON WITH ABCONTACTS LITE :
Create, rename and delete group of contacts;
Edit contact group membership on one screen;
Quick action to email to groups of contacts;
Assign and remove contacts to groups with a fast and simple interface;
Create, edit and remove contacts with the same user interface as the contacts built-in app;
Quick actions to call, email and sms a contact;
Mail and SMS are sent using the built-in apps. We are sorry but with the current iPhone software development kit it's not possible to send sms to more than one contact.
