| Category | Productivity |
| Latest version | N/A |
| Size | N/A |
| Requirements | All Platforms |
| License | Paid |
| Offered By | N/A |
Fix those crooked picture frames and resolve arguments about out of plumb billiard tables with Dual Level. This handy application turns your iPhone into a spirit level. Has two level vials for use vertically, horizontally and face-up. Calibration i
