Unsave Chat is a free Android app developed by Faizan Ansari that allows users to send WhatsApp messages to phone numbers that are not saved in their contact list. This app is perfect for those who do not want to clutter their contact list with numbers they may only need to contact once.

Unsave Chat is easy to use and has a simple interface. One simply needs to enter the phone number they wish to message and the app will open WhatsApp with the number and the user can type their message. The app is also small in size and supports different packages. Additionally, it offers WhatsApp Business support, making it even more versatile.

The app's most notable feature is the absence of ads, making the user experience seamless and uninterrupted. Overall, Unsave Chat is a great solution for those who want to send WhatsApp messages without having to save phone numbers in their contact list.