Ku provides free, no advertisement communication services with multiple encryptions for individuals or businesses around the world. Others cannot get your profile, messages, or calls under multiple security encryptions. Ku supports cross-device, multi-account management, and the variety of chat settings.

• Account management: Log in to all your accounts on the same device and switch at any time.

• Let messages disappear automatically: Send the ""Burn after read"" message or set the message preserve time, deleting the message when expired.