You can add new contacts to WhatsApp manually from the Chats tab or you can scan someone's QR code within the app.

QR codes are a type of barcode, or scannable pattern, that contain various forms of data, like website links, account ...

Boost your iPhone experience with 30 quick iOS shortcuts that automate daily tasks, save time, and unlock powerful hidden ...

The development cost of a fresh produce app consists of three parts: "basic development + industry characteristics + long-term investment," with significant differences in cost proportions at each ...