NDH is an Android app developed by Lippincott Williams Wilkins (Wolters Kluwer Two Commerce Square 2001 Market Street Philadelphia, PA 19103).

NDH first became available on 30 May 2012. It is estimated that NDH has been downloaded between 100000 and 500000 times from the Play Store.

NDH 4.1.1 requires the following permissions:

Allows applications to access information about networks.

Allows applications to access information about Wi-Fi networks.

Allows access to the list of accounts in the Accounts Service.

Allows applications to open network sockets.

Allows an application to write to external storage.