Flexcil is a study aid that allows you to annotate PDFs, create notes, and share them with others. To study effectively, review and use PDFs. In one page, you can use PDF reader, digital note and annotation as well as a reference manager. Gestures UX is a simple way to annotate PDFs and organize notes quickly and efficiently. You can save time by organizing, reading, and editing materials. Save time to focus on your studies. Apple's default complicated process doesn't have to be followed. Flexcil allows you to select text and images and make notes using intuitive pen gestures. You can view PDFs while simultaneously dragging elements from them to your notes. This allows you to organize them easily. You can edit PDFs to your liking by merging, moving, adding, or removing. You can also edit notes! All resources in Flexcil, including images, texts, and notes, are linked systematically to allow you to quickly and easily trace your data.