A retention reading is narrower than the flagship review. We take the first month (sometimes six weeks) of workout logs from a fitness tracking app and ask a single question: when do people stop writing the session down, and does that match when they stop coming in?

Studios book this when the room is still full at 7 p.m. but the app’s week looks sparse. Often the members are still training; they have simply stopped tapping “complete” after a sweaty class. Sometimes they have left. The reading is meant to tell those two stories apart.

The sitting is one hour. You receive a short note (four to six pages) naming the quiet days, the class types that lose the log, and one change for the front desk or the coach to try for the next cohort. It does not include a floor morning; add that from the flagship review if you need it.