They are not similar at all. An inspection is someone coming out to the site to check if work, as installed, matches what is on the plans and is up to code. That takes a few hours to call in and, depending on the size of the project, a few minutes or hours to complete. It is usually done by a redneck with a GED.
A review generally runs through multiple offices and layers of government. Often across local, county, state, and federal. And they often have nothing to do with the work itself. Traffic studies. Environmental reports. Market studies. System stress reports. Flood analysis.