Closed captioning is available on the PBS app for iPhone and iPad. You can turn on closed captioning with the following instructions.
You can check if closed captions are on at any time by following the steps above. The option with a checkmark is the option currently selected. To turn off closed captioning, follow the steps above and instead select the Off option.
Currently, you will need to complete these steps each time you wish to used closed captioning on the iPhone/iPad app.