OLX is a online site in which you can sell and purchase any thing like car scooter mobile dogs cats furniture items. They are second hand ie used items. It doesnot provide a hood userbase. as you cannot trust upon various user which may be fraud. and might harm you. It is not safe to give your personal information on this site.
Concept-It is based on concept of sale and purchase of second hand items.
Layout and design-Layout and design of app is good and stylish and attractive.
Features-provides chat feature on app and are verified by olx executive.
Usefulness -not a useful app as it may harm you and your information might be used by some fraudelent peoples.