Audio Video Loper - Mark and create sections in your media, sections can then be jumped to, played back at different rates or looped. This app is great if you are trying to break down music, workouts or recipes into sections you can revisit and replay later.
Available on the app store https://apps.apple.com/us/app/av-looper/id1616325794?itsct=apps_box_link&itscg=30200