Mark for Chat allows you to communicate with people on WhatsApp without the need to have their phone number saved in your contact book. You no longer need to add someone to your notebook to be able to talk to them. With this technology, you can find that person on WhatsApp and start chatting with them right away, even if you've never talked to them before.

Imagine that you just met someone at an event and you want to continue talking to them on WhatsApp. With Mark for Chat, you only need to know their phone number to be able to talk to them on WhatsApp without having to add them to your contact book.

In addition, we protect your privacy and security. We do not ask for your personal information and we have designed Mark for Chat with the utmost privacy in mind. The intuitive and friendly interface makes it very easy to use.

Download Mark for Chat now and experience the freedom of being able to talk to anyone on WhatsApp without having to add them to your contact book. Start chatting today!"