Its so difficult to compare both sites but still according to my knowledge I would like to share with you guys that:-
1.OLX is a global firm based in Argentina and has presence in over 95 nations. Quickr on the other hand is an Indian startup that was formed in 2008.
2.OLX claims over 100 million global visitors per month though exact Indian figures are not available. Quickr claims of having 24 million visitors each month across 65 Indian cities.
3.Quickr offers services in 12 categories further divided into subcategories. The categories include electronics, real estate, home and lifestyle, cars and bikes, jibs, services, entertainment, education, pets, community, events and matrimonial. OLX offers listing in 8 categories subdivided again as in Quickr. The categories include sale, community, classes, vehicles, real estate, services, jobs and matrimonial.
4.Search results for almost all major categories/items in OLX exceeds than in Quickr for the same item. This shows OLX has more listing than Quickr.
5.Quickr has a special feature wherein you can sign up and specify your requirement. You will receive alerts via SMS and email whenever the site receives an entry in your specified category.