Wikipedia
Readdle
Readdle is a Ukrainian mobile application development company. The company research and development is based in Odessa, Ukraine. Readdle has originally focused on the creation of document-related productivity tools for consumer market, with a recent addition of business-oriented subscription-based model. The operation is mostly built around the App Store., cumulatively generating over 33 million downloads. The most notable products are Scanner Pro, PDF Expert, Fluix, and Spark.