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Readdle Inc.
IndustryMobile apps
HeadquartersOdesa, Ukraine (HQ)
San Jose, California[1]
Number of locations
Area served
Key people
Igor Zhadanov (CEO)
Denys Zhadanov (VP)
Alex Tyagulsky (CPO)
Andrian Budantsov (CTO)
Dmitry Protserov (director)
ProductsScanner Pro, PDF Expert, Fluix, Spark, Documents, PDF Office, Printer Pro, PDF Converter
Number of employees

Readdle is a Ukrainian mobile application development company. The company research and development is based in Odesa, Ukraine. The operation is mostly built around the App Store,[3] cumulatively generating over 100 million downloads[4]. The company's two main products are PDF Expert and Spark.[5]


  1. ^ Heath, Alex. "This Ukrainian app maker hired an Apple veteran to reinvent email". Business Insider.
  2. ^ "Readdle - About". Readdle.
  3. ^ Sawers, Paul (29 May 2015). "40M downloads on, Readdle adds a slick email client to its suite of iOS productivity apps". VentureBeat.
  4. ^ Dillet, Romain (12 October 2018). "Readdle's Denys Zhadanov to talk about bootstrapping at Disrupt Berlin". TechCrunch.
  5. ^ Stokel-Walker, Chris (16 April 2014). "Getting rich on apps in the heart of Ukraine". The Verge.

External links[edit]