Dean's Appの収益とダウンロード数

Dean’s App is an electronic extension of the surgical textbook Structure Rhinoplasty: Lessons Learned Over 30 Years. Through Dean’s App, customers who have already purchased the book will have access to a large amount of additional material such as photos, videos, and in-depth articles written by experts on Rhinoplasty. After downloading Dean’s App for IOS, users will be able to choose between a premium (Dean's App Premium) and basic version (Dean's App Basic) of the app. While both plans include extensive additional material, the premium version, for only $9.99 a month, will allow for feature...