Both parties will be reminded on the 30-day anniversary of soul. Soul's 30-day friend anniversary function allows both parties to receive reminders. Enter the friend anniversary interface and you can see the time record of acquaintance. Soul was launched on September 14, 2015. It is an APP that focuses on making friends with strangers. Different from other mainstream social applications, Soul did not set up LBS positioning in the early stage, and users were not allowed to upload photos as avatars. They could only use the system's built-in animation pictures, and each user was required to complete a series of test questions after entering, using personality. , behavioral testing matches users with appropriate conversation candidates.