Turn your iPad or iPhone into a secondary for Mac or PC. Run apps side by side, extend desktop space, and multitask efficiently. Connect via USB and use as a portable productivity tool.
by Duet, Inc.★ 4.448,599 ratingsProductivityFreeData updated 2026-09-09
The app protects a computer from unauthorized use by temporarily blocking the desktop. Users can customize settings, including using a selected picture as the screen, and the app supports a keyboard shortcut for locking.
Play using keyboard, touchscreen, or input. Load custom SoundFont files for various instruments. Adjust sound settings for realistic audio and touch feedback. Save and share performances.
Markup PDFs with freehand drawing, text, and annotations. Fill forms and add signatures. Sync across devices using iCloud. Export edited PDFs and share directly.