Instapaper 10 is the biggest update to the iOS application in over a decade, introducing a comprehensive design overhaul alongside major feature updates. “Instapaper 10 is our biggest update to the iOS app in over a decade. Instapaper 10 is our biggest update to the iOS app in over a decade. New Reading Fonts: They are introducing four new reading fonts in this release, two serifs and two sans-serifs: Literata, New York, Open Sans, and Atkinson Hyperlegible. Together, these changes make this the fastest and best version of Instapaper for iOS yet.