Google Docs is a reliable and mature text editor, available for anyone with a free Google account.

This book summarizes tips for using Google Docs effectively for users on Mac, iPhone, and iPad.

Especially for these users, Google Docs works really well in combination with Apple Freeform which is a fantastic visual whiteboarding tool available only for the Mac, iPhone and iPad.

You can leverage Google Docs as a reliable text editor for long-form linear content, and embed such documents visually in Apple Freeform boards to combine the power of visual organization with long-form notes. Google Docs has several advantages over the dozens of text editors available for Apple devices, from the perspective of integrating with Apple Freeform.