Effortless PDF annotation and collaboration tools.
The app offers effortless PDF annotation with an intuitive interface. It provides fast document review using a thumbnail sidebar and supports sharing annotations with other users.
by Bright Nine SIA★ 3.857 ratingsProductivityFreeData updated 2026-10-24
The app allows users to draw molecular structures and reaction schemes using fingertip gestures. It offers features for creating rings, chains, reaction pathways, and text annotations with chemical awareness.
The app plays embedded multimedia files, including audio, video, and animations. It also offers text-to-speech functionality and comprehensive annotation tools for marking up PDF documents.