Comera is a free-messaging app that allows you to talk to your friends and family via one-to-one chats, voice calls, and video calls through connectivity over mobile data or Wi-Fi. It also enables you to connect through group chats and lets you share photos, videos, documents, locations, and a whole lot more. Why Comera? - FREE CALLS & MESSAGES: No limitations on the messages and calls, including audio and video calls, placed internationally. Talk FREE for unlimited hours. - GROUP CHATS: