Features:
– AES-256 encryption
– attachments (will be encrypted if encryption is enabled for the note)
– view and edit attached files inside the application (text and html, photo)
– folders: unlimited nesting (only in full version)
– text formatting
– password input methods (numeric/full/3×3 pattern/4×4 pattern)
– quick login (short password/fingerprint reader/biometric)
– wipe data after many wrong password attempts
– separate password for imperceptible deletion of data
– automatic lock by time
– widgets and shortcuts for notes or attached files
– icon library (custom icons)
– color themes
– backup/restore database
– reminders
– Labels
– supports “Samsung DEX”
– does not contain advertising
– does not require internet access

limitations of the free version:
– you can only create 3 folders
– only one attached file per line
– unable to upload custom icons
– file attachment: allowed only from camera and gallery
– automation disabled (autosave and reminders without links to notes)
– undo/redo functions disabled
– Disable direct backup/restore via another app (like clouds)

Some explanations:
– encryption is disabled by default!
– data will be encrypted using your password
– Note encryption is enabled in the note editing window.
– note body and attached files will be encrypted, note name is not encrypted!
– attached files are encrypted if encryption is enabled for the note they are attached to