Schematic Diagram Tool Verified — Best Mobile

| Feature | AutoCAD Mobile | SmartDraw | iCircuit | SolidWorks Mobile | | :--- | :--- | :--- | :--- | :--- | | | Professional CAD | Business/Process Diagrams | Electronics Simulation | Engineering Review | | Creation | High | High | Medium | Low | | Simulation | No | No | Yes | No | | File Support | DWG/DXF/PDF | Visio/PDF/PNG | Native | SolidWorks/DWG | | Offline Mode | Yes | Limited | Yes | No | | Platform | iOS/Android | iOS/Web | iOS/Android | iOS/Android |

| Tool | Best For | Platform | Offline | Free Option | |------|----------|----------|---------|--------------| | | Viewing PCB schematics & boardview | Android | ✅ Yes | ✅ Free | | ElectroDroid | Component pinouts & reference | Android | ✅ Yes | ✅ Free (Pro available) | | Schematic Guru | Multi-layer boardview | Android | ✅ Yes | ✅ Free | | Repair Wiki Viewer | Community schematics | Android/iOS (web app) | ❌ No | ✅ Free | | QElectroTech Mobile | Creating simple diagrams | Android | ✅ Yes | ✅ Open source | | Circuit Jam | Learning schematics | Android/iOS | ✅ Yes | ✅ Free | | Viewer for Gerber | Gerber file viewing | iOS | ✅ Yes | 💵 Paid | best mobile schematic diagram tool

This tool is prized for its "multi-layer" bitmap views, which allow technicians to see internal traces buried inside the PCB layers—crucial for repairing boards with deep scratches or water damage. It is frequently available on platforms like AliExpress . | Feature | AutoCAD Mobile | SmartDraw |