notebookapp
nounUK /ˈnəʊtbʊk æp/
US /ˈnoʊtbʊk æp/
A computer program where you can write notes and keep them on your device.
She opened the notebookapp to write down her homework.
OTHER MEANINGS
2. A small application for writing and saving short ideas or lists.
He used the notebookapp to make a shopping list.
3. A program that lets you draw or type in pages like a paper notebook.
The notebookapp has colorful pages for drawing.
4. A tool on a phone or tablet for keeping reminders and thoughts.
I saved my idea in the notebookapp so I would not forget it.