Private Notebook is an Android app designed to help you keep your notes secure and private. With its elegant material design, this app is simple, light, and easy to use. It weighs less than 10 MB, making it a perfect app for those who don't want to take up too much space or battery.

One of the best features of Private Notebook is its encryption and authentication support. This app offers strong database encryption for maximum security and privacy, and you can enable authentication with a pin, password, or even fingerprint to protect your privacy.

In addition to its strong security features, Private Notebook also offers a lot of customization options. You can choose between multiple themes, font families, and font sizes, and the app even supports day-night theme.

Other useful features of Private Notebook include the ability to schedule reminders, powerful sorting and searching options, the ability to backup your data securely to your phone or to the cloud, and the option to share text to the app to quickly create a new note.

Overall, Private Notebook is a great app for anyone who wants to keep their notes private and secure. With its elegant design and useful features, this app is definitely worth checking out.