Keep app available on iPhones and iPads. Keep is a great little app for creating task notes and reminders. You can even create notes in your web browser on your laptop and have them synchronize with the notes on your mobile device. In the video embedded below I demonstrate how to use the web version of Google Keep.
Applications for Education
Using the color-coding aspect of notes in Google Keep could be a nice way for students to construct an outline for a research paper or presentation.
Google Keep can be an excellent to-do list app for students. Students can color code notes, make lists, and share notes.