Similarities

1. You can easily edit the exposure and colours and other lighting things.
2. You can select a specific subject to just edit that.
3. There’s the healing tool.

Differences

1. Lightroom has all the ‘Light’ editing tools in the first tab.
2. The whole tool bar from Photoshop is not in light room except for masking and healing.
3. You can rate photos and edit multiple at a time.