ChatDirect is an Android application developed by TechTricks. It falls under the Social & Communication category and is available for free. The app allows you to chat directly on WhatsApp without saving the contact to your phone's address book.

WhatsApp only allows you to chat with people who are in your contact list, but with ChatDirect, you can chat with anyone without saving their number. You can also chat with yourself on WhatsApp by entering your own number in the app.

Furthermore, ChatDirect allows you to open a chat on WhatsApp directly from your call log. There is no need to save the number to your contacts list. This feature makes it easy to chat with people whose numbers you don't want to save on your phone.

Overall, ChatDirect is a useful app for anyone who wants to chat directly on WhatsApp without saving the number to their contact list. It is easy to use and provides a convenient way to chat with anyone on WhatsApp.