Flex project settings in Logic Pro for iPad

Flex & Follow pop-up menu: Sets the Smart Tempo behavior when recording or importing new audio.
Off: Smart Tempo does not analyze the tempo of new recordings.
On: Smart Tempo analyzes the tempo of the recorded audio and places tempo markers at each point a tempo change is detected.
On + Align Bars: Smart Tempo analyzes the tempo of the recorded audio and places a tempo marker at each bar a tempo change is detected.
On + Align Bars and Beats: Smart Tempo analyzes the tempo of the recorded audio and places a tempo marker at each beat a tempo change is detected.
The selected option is displayed in the Flex & Follow parameter in the Region inspector.
Trim Start of New Regions switch: Automatically sets the start of newly recorded regions to the first downbeat of the file.
Download this guide: PDF