"Fast Sync for Gmail Contacts" is a fast and simple way to sync Gmail & iPhone contacts .It is accurate and efficient. Support iOS6.0 or later. Compatible with iPhone,iPad and iPod touch. PROMINENT FEATURE Accurately sync Gmail & iPhone contacts and groups. There is no limit on the number of contacts, and pass the 10000 + contacts sync test. Super easy to use: clean and intuitive interface. Support Google Apps for Business(eg.your_name@your_company.com) FEATURES This app use the newest multi-thread technology to sync contacts. It takes less than three minutes to sync 2000+ contacts. "Fast Sync for Gmail Contacts" use the newest memory control technology. There is no limit on the number of contacts, and pass the 10000 + contacts sync test. Accurate sync all contact fields including Photo, Name, Nickname, Title, Company, Notes, Email, Phone, Address, Birthday, URL, Relationship and Instant messaging. Synchronization the contacts: Synchronization of the first run, the contacts in iPhone will be uploaded to Gmail, meanwhile the contacts in Gmail will be downloaded to iPhone. When you add or modify contacts in your iPhone, then run synchronization again, these contacts will be added or modified in Gmail. For example, when you add a photo in a contact in your iPhone, after synchronization contacts, the photo will be sync to Gmail corresponding contact. Meanwhile when the contacts are added ,modified in Gmail,then run synchronization again, the same changes can be affect on your iPhone. You can turn on or off these options according to actual needs. If you delete some contacts in iPhone or Gmail, then run synchronization again, it will delete the corresponding contacts in Gmail or iPhone. This option is off by default. Please open it when you need. Your iPhone's contacts maybe disorderly.Then you can through the following steps.It will sync Gmail contacts & groups to your iPhone. 1.Delete all contacts. 2.Sync again. OTHER If the addresses are in the CSV files or vCard files, please import them to Gmail first, and then use "Fast Sync for Gmail Contacts" to sync to iPhone. If your contacts are on any other phone, please sync the contacts into Gmail first, and then use "Fast Sync for Gmail Contacts" to sync the contacts to iPhone. SUPPORT Comprehensive support information is available online at http://www.hanmingjie.com/. If you have any inquiries or questions,regarding this application,please contact us: firstname.lastname@example.org. This app will continue to be upgraded and improved to achieve the 100% customer satisfaction. We really appreciate your feedback and would like to hear from you about any comments or suggestions. We will get back to you as soon as possible.