FieldSketcher

FieldSketcher is a hand-drawing and light-CAD app for site surveys and meeting notes. Sketch quickly on grid paper with your finger, add dimensions, angles and symbol stamps, and keep it as a clean drawing.

Key features

- A4 grid canvas. Pinch to zoom, drag to pan.

- Freehand plus shapes: line, polyline, rectangle, circle, arrow, cloud, X mark.

- Dimension lines (scale and units) and angle annotation (tap two edges to compute automatically).

- 20 layers with show / lock / hide and per-layer color and line style.

- Symbol stamps (Architecture, Equipment, Electrical, General). Place with chosen height, base point and color. A date stamp is included.

- Semi-transparent marker and grid-cell fill for highlighting.

- Eraser / cell-erase / edge-erase / trim (cut to the nearest intersections).

- Background import: image, PDF (choose a page), and DXF. Move and scale by finger; calibrate scale from two points and a real length.

- DXF export (text, dimensions, shapes) and JPEG export.

- Built-in calculator (basic / scientific) you can open on screen.

- Saves as SVG. Pick any folder, including Google Drive folders.

- Works offline.

Great for

- Electrical, plumbing/mechanical and building site management and surveys.

- On-site sketches, dimension notes and issue records.

- Quick drawing on a phone or tablet without carrying a full CAD workstation.

Pricing

- Free to use (with ads).

- A one-time in-app purchase removes ads.

Note: Binary DWG import is not supported. Please convert DWG to DXF before importing.