Question: apps that are like depop?
Answer: Depop. Best for: Pretty much everything, but vintage and quirky items sell best. ... 
Vinted. Best for: Everything, but upmarket high street brands (think Zara and Mango) tend to do best. ... 
eBay. ... 
ASOS Marketplace. ... 
Preloved. ... 
Facebook Marketplace. ... 
Etsy. ... 
Rebelle.