Not Defteri is a free Android app developed by Ali CAN that allows you to take notes on the go, so you never miss an important idea again. This app is perfect for anyone who needs to take quick notes without any hassle. With Not Defteri, you can protect your notes and add a password to keep them safe.

In addition to its user-friendly interface, Not Defteri allows you to back up your notes to your phone memory or SD card, so you can always restore them later. You can also share your notes with other apps installed on your phone through text messages or emails.