The software includes a "Pixel Perfect" mode that cleans up those annoying double-pixels on your freehand lines automatically.
The Tiled Mode allows you to draw textures and patterns that tile perfectly, which is essential for creating game backgrounds and levels.
Aseprite is a one-time purchase of . Once you buy it, you own it for life and get all future updates in the current series. You can download it from several major platforms: Aseprite download | SourceForge.net
Bringing the Pixels to Life: Why Aseprite is a Game Changer for Your PC