Study cards with spaced repetition based on the Ebbinghaus forgetting curve. Add text, images, and PDFs in bulk. Edit cards with text masking, image overlays, and auto-text recognition. Search, sort, and organize cards with tags and folders.
Extract and manage ZIP, RAR, 7Z, TAR, GZIP, and multi-volume archives. Open compressed files directly. Extract to specific folders. View archive contents before extraction. Support for WinRAR, iRAR, and Zarchiver formats.
View and edit documents with support for PDF, Word, Excel, PPT, TXT, and more. Copy text, search, highlight, and annotate PDFs. Edit Word/Excel files lightly. Add PPT notes and use text-to-speech. Sync files via cloud with folders and tags.
Encrypt videos and files for privacy. Hide files and share securely between devices. Transfer files between phone and PC or phones. Play various video, audio, and document formats. Access a built-in browser for video playback.
Vast book resources, comfortable reading experience.
The app offers a vast collection of books and documents, supporting custom sources. It provides a comfortable reading experience with gesture controls and supports multiple file formats.
Read text files including txt, epub, pdf, and html on your . Turn pages by tapping or using the knob. Set font and color preferences. Record reading position and preview content before sending from your iPhone.