KingDraw Chemical Structure Editor Available on iOS and Android Free KingDraw chemical structure editor is a chemical molecular drawing app that allows users to view and create molecular structures and reactions on the go. Screen Recording Screenshots Criteria Ease of Use – ⭐ ⭐ ⭐ Accessibility – ⭐ ⭐ ⭐ Graphics – ⭐ ⭐ ⭐ ⭐ ⭐ Performance – ⭐ ⭐ ⭐ ⭐ ⭐ Content – ⭐ ⭐ ⭐ ⭐ Relevance – ⭐ ⭐ ⭐ User Reviews – 4.7 SCART notes: The app is clean, simple and laid out well. It includes a short tutorial the first time you open the app explaining how to use all of the features. The app looks and feels similar to ChemDraw (a popular molecule editor used by chemists) and shares many useful features such as the clean-up structure feature and a feature to add pre-made molecules. The app advertises that it has a cloud function along with a desktop program so you can edit molecules on your mobile device and view them on your desktop and vice ver...