WA Langsung is a free Android app developed by rove.biz.id that offers a convenient way to send WhatsApp messages without having to save the phone number first. This app can save you time and effort, especially if you frequently send messages to new contacts.

One of the best features of WA Langsung is the ability to save default templates that you can use to quickly write messages. This can be particularly helpful if you often send similar messages to multiple people. Another great thing about this app is that it is completely ad-free, so you can enjoy its features without any interruptions.

Overall, WA Langsung is a useful app for anyone who wants to send WhatsApp messages quickly and easily. It's simple, straightforward, and does exactly what it promises to do.