Uh snapchat certainly shows you if someone viewed your snap. It also shows you what 3 people anyone snapchats with the most (best friends are publicly viewable)

Uh snapchat certainly shows you if someone viewed your snap. It also shows you what 3 people anyone snapchats with the most (best friends are publicly viewable), a public score system which can be used to track usage, as well as showing you everyone who views your timeline photos.