Sasa!

Sasa! allows you to chat with your family and friends, send and receive money from them (beta version only), and to shop for the best deals in your location. Invite your friends, chat, send photos and videos and make some extra cash by selling that stuff that you no longer need that you have lying around.

The ads in the app are native and they don't interfere with your normal chatting. They are designed to be non annoying and they are manually screened. You can even search in the ads for and get in touch with the seller by chatting with them through the same chatting service that you use to chat with your friends creating a seamless experience.