Send encrypted messages using pre-shared keys. Chat with invited contacts only. Replace metadata with random UUIDs. Isolate each conversation. Support end-to-end encryption without server intermediaries.
Facilitate communication between educators and parents. Send messages or photos to groups or individual parents via smartphone or computer. Parents confirm messages with a single click. View confirmation status in a signature list.
Make calls and video calls with contacts worldwide over WiFi or 3G. Send messages, photos, videos, voice messages, locations, and contacts. Arrange group calls for up to 4 people. Sync data across devices.
Messages are encrypted during transmission and not stored on servers. Users can send text and media, with chat logs only accessible on their device. Conversations are private and secure.