DirectChat-Chat without saving is a tools app by Pulket with 100,000+ downloads (about 155K estimated). +40 installs in the last 7 days. Rated 5.0 from 316 ratings. Released Jun 27, 2021. Install growth, rank history, SDKs and ad networks.
From the store listing: “This App can open any number in WhatsApp without saving it in your contact list.”