It is rule-based and runs in your browser, using what happened during the recording: cursor movement, clicks, typing and speech on your microphone track. Strengths: Subtle, Balanced and Punchy. Everything it does is visible on the timeline and can be undone.
Glossary
What is Smart Edit?
Smart Edit is Zoomr's automatic editing: one click adds zooms around clicks and typing, cuts idle stretches and speeds up waiting, while never cutting or speeding up your voice.