AltNotes

Features:

* Local storage which allows you to search, view and edit your notes without access to internet. This saves bandwidth costs and also makes your notes accessible to you anywhere.

* Very fast auto-complete like note searching;

* Two way note synchornization with Dropbox (in-app purchase);

* Basic markdown syntax highlighting;

* Search within an opened note;

* Passcode / fingerprint app protection;

* Share text to and from other Android apps;

* Multi-window / split-screen support (requires Android 7.0 or newer);

* Create new note shortcut while long-pressing app's icon (requires Android 7.1 or newer);

Install companion apps to take full advantage of a text editing on desktop. We have tried ResophNotes (Windows), QOwnNotes or nvpy (Linux), and nvALT (Mac).