Dr.ストレッチ is a membership-based health and fitness app developed by presio.co.Ltd. The app is exclusively designed for members of Dr. Stretch, where they can see the stretch effects of customers who have visited the store. The app also allows members to check coupons and visit history on the My Page section.

The app is available on Android platform and is free to use. However, it is limited to members only. Upon logging in, members can access the main features of the app, which include viewing customer stretch effects and checking their own visit history. The app also provides coupons that can be used at the store.

Overall, Dr.ストレッチ is a useful app for members of Dr. Stretch who want to keep track of their progress and access coupons. The app is easy to use and navigate, with a clean and simple interface.