Typing notes. If you just want a blank screen for typing notes, you can use the pre-installed Notes app or Notability.
- Notes gives you a blank piece of lined paper.
- Notability gives you a blank screen in which you can type or draw.
Typing notes into PowerPoint. If you want to type notes into the Instructor’s Notes section of a PowerPoint presentation, you can use the PowerPoint app.
Drawing Annotations and notes. If you would like to draw on presentations (pdf versions of PowerPoint) AND type notes in the same document, you can use Notability or iAnnotate.