The Flying Ruler 4.0 software update

- we completely redesigned the computational algorithm to improve accuracy

- support for all new devices, including iPhone 11 (Pro / Pro Max)

- optimized for iOS 13, including support for light and dark appearances

- added decimal inches as a measurement option

- measurement in parts is now possible not only in the first measurement mode, but in the rest as well

- added a mode of measuring short distances for visually impaired people

- VoiceOver support is improved

- improved help system

- improved user interface

- other minor alterations and improvements