Best Plumb alternatives: apps like Plumb: Perspective Camera

Keystone Photo Lab

Tilt-shift lens & perspective

Free

This app corrects perspective distortions and fills empty corners with AI. It can also expand image frames, upscale resolution, and preserve wide-gamut color and HDR. Edits are processed at full quality without requiring an account.

ArchCam: Perspective Camera

Straight Lines & Natural Faces

Free

This app automatically corrects perspective and levels horizons in your photos, making buildings upright and people look natural in wide shots. It offers live preview and a studio editor for further refinement, with all processing done on your device.