Wallapop’s success linked to its design by Cila Warncke in Marketplace 15 Oct 2017 Online marketplace Wallapop has almost nine million monthly users, and is one of the top five free apps in Spain (just behind Instagram, Facebook Messenger and WhatsApp). The secret? Great design, according to StoreMaven, an app optimization company that has published a detailed, app store optimization case study of its work for Wallapop. StoreMaven worked with Wallapop to improve its install conversion rates (CVR). It succeeded... Read MoreThis article is only available to AIM Group clients. Please subscribe now or log in to view. Share StoreMavenwallapop Cila Warncke Cila joined AIM Group in 2014 as writer/analyst for Spain. An Anglo-American living in Ibiza, she brings extensive international writing and consulting experience to the role. Educated at University of Pennsylvania (BA) and Glasgow University (MLitt), she has worked for wide range of consumer and B2B publications and companies in Europe and the USA, writing on topics ranging from marketing to travel to music to ultra-marathoning. She uses her writing, research and analytical skills to help clients tell their stories, grow their business, reach new audiences, build loyalty and exploit new media channels. Cila is also an award-winning essayist, creative writer and founder of Creative Writing Ibiza.