Question: what apps are similar to instagram?
Answer: Snapchat. Wait, but it's completely different! ... 
Pinterest. While Pinterest is not what one would traditionally call a social network, it's hard to argue that it's one of the most influential visual apps in the world. ... 
Facebook. ... 
Twitter. ... 
Tumblr. ... 
Flickr. ... 
Yummi. ... 
Dribbble.