This stylus pen with 1.5mm diameter tip, provide more precise, give you a realistic feeling for creation, good for drawing and painting. Internal elastic design and to buffer the strength of clicking. The tip is irreplaceable, copper material, it is more durable than rubber and can last for a lifetime. Recommended Applications: IOS: –Writing: GoodNotes, UPAD3, Noteshelf, Notes Plus, Notability, etc. –Drawing: ArtRage, Procreate, Sketches, Paper, SketchBook, ArtStudio, Zen Brush, etc. Android: –Writing: Meta Moji Note, Notepad+, Bamboo Paper, etc. –Drawing: Autodesk SketchBook, ArtFlow, Painter, Design, Zen Brush, etc.