Works both directions: tap a spot on the picture to find which loose piece fills it, or tap a loose piece to find where it goes on the box. Dial the selection box to roughly one piece for the sharpest match.
1 The box picture
2 Loose pieces — one photo per group
No pieces photos yet. Aim for ~30–50 pieces per photo, filling the frame — denser shots lose the detail the matcher needs.
3 Find
Tap to select.
Add the box image and at least one pieces photo to start.
Pieces stay on your device · nothing is saved between sessions