On Snapchat, a white heart emoji ( ) next to a friend’s name indicates that you have been each other’s best friends for two consecutive weeks. In Snapchat’s system, best friends are users you interact with the most through snaps and chats. The white heart is a way of highlighting that this particular friendship has been strong and consistent over a period of time.
Snapchat uses various emojis to signify different levels of friendship and interaction, including yellow hearts, red hearts, and smiling face emojis, each representing different stages or statuses in your connections with others on the platform. The white heart specifically denotes a friendship that has reached a certain level of intimacy and consistency.