Post ads, require creating a user account, but to edit or manage publications (edit, modify, featured ads, highlight ads in the category listings, update ads) we do need to create a user account.
Creating a user account is free.
By creating an account at Citigratis.com, we'll give you 5 credits to Featured / Highlight your ads, in general ad listings or by category.
Highlight your ads, earning more options in selling your item.
Citygratis gives you the opportunity to highlight or highlight your ad, making you more likely to reach fruition in the ad. For this you must buy credits to use to once you've posted the ad, highlight or emphasize the listings in your category and displayed in the lower sections of all portal pages.