Getting rid of stuff is easy. Selling it is hard. Once you’ve collected what you no longer need, consider using these apps, for both iOS and Android. We consider these to be the best online selling apps out there.

OfferUp—formerly LetGo—takes a step-by-step approach, walking you through each item. The company claims it can help you list an item in 30 seconds or less.

Facebook is many things. One of those things is a very large garage sale, thanks to Marketplace in the main Facebook app.

Designed for face-to-face selling and interaction, 5miles shows items just five miles from a buyer’s location. The fact that 5Miles looks a lot like “Smiles” is a nice touch.