Although it will never disappear, paper no longer has the same relevance as it did a few years ago in the educational environment and there are more and more technological options that allow students to take notes with additions that help to have a better organization with different styles.
For both cell phones and tabletsusers have several applications that will allow them to have tools beyond writing, such as drawing, annotating, underlining, among many other options, some of which are free and others are paid.
good notes
This is exclusive to iOS, so it is only available for iPhone and iPadalthough its content can be shared in different applications such as Google Drive, OneDrive and Dropbox. Among its features is the creation of folders to organize notes, either by subject, school year or semester.
In addition to writing, it allows you to draw and underline the content, but it also has templates and stickers to add to the notes.
Noteshelf
This app is available for Android and iOS. It has different types of underlining, markers and colors to create very good quality drawings. In addition, it is compatible with the digital stationery called HardPeach, where there are stickers for the notes.
The combination of text and drawing is one of its strengths, which allows you to mix different alternatives to modify PDF files or create new ones to print or share them later.

call note
An alternative to iPhone and iPad that syncs with personal stationery. It is an application that will allow you to modify texts in PDF and leave them ready to print, so it offers all the basic tools and supports various types of paper.
The platform was created by students from the University of Hamburg, so it was born as an experiment that has been updated and improved.
notability
It has very similar tools to the previous options, but it has an interesting addition because it allows you to include voice notes, which for many is an interesting option to improve some notes to record moments of classes and complement the annotations.
simplenote
This app is for Android and iOS, Although it is an option with simple tools, it can be functional for those users who want something specific and are not very enthusiastic. In addition, it has data synchronization for the different user devices, so for someone who has a tablet and cell phone, it allows them to have a more comfortable environment without being forced to pass files from one place to another.

evernote
This is a free option, although it has subscriptions, and it is cross-platform. Its main focus is to be a tool that gives the user a lot of organization, with the possibility of creating folders, labels and reminders.
Among its most outstanding features is that it includes OCR technology to scan and edit physical documents and add voice notes, being a very complete alternative.
SamsungNote
This is an exclusive option for cell phones or tablets from the South Korean company. It is a very complete possibility for the users of these devices because it has tools that are paid for in other applications.
It has a wide catalog of brushes, colors, addition of voice notes and that links perfectly with the S Pen for the precision of the notes. Being within the ecosystem of the brand, it allows you to take the files to Samsung Cloud and not lose content or use it on other devices.