You do not need to learn the complex functions of the new application to read the characters in front of you. If there are just services you need, you can start using intuitively immediately after downloading. "Loupe" is such an application.
* It focused only on necessary functions. There is no need to learn complex functions.
* You can intuitively zoom in various ways, such as a button, swipe and pinch of the screen.
* You can shoot screenshots where necessary.
* It also supports iPhone XS / XS Max / iPad.