"OTSUUJI" means healthy bowel movement in Japanese, and with the Apple Watch-compatible "OTSUUJI Log", you can record it quickly on your wrist without having to take out your iPhone (you can also use just your iPhone). 
Records are displayed as fruit images. Since there are no direct words or images, you can use it anywhere without worrying about being seen.

- Shows the number of passed days and the average interval days.
- You can record the following just by selecting the icon.
Date and time
Amount (3 levels of small, normal, and large)
- Notify if there is no bowel movements for a certain period of time (1/2/3 days).
- You can optionally record in detail.
Hardness (3 levels of soft, normal, and hard)
Color (3 levels of light, normal, and dark)
Memo (*)
- You can record the date and time you took your medication, such as laxatives.
- You can add past records by specifying the date and time. (*)
- Show records on a calendar (*)
- Charts the aggregated results by day of the week or time by specifying a period. (*)
- Supports Touch ID and Face ID. (*)
- Show records in a list (Apple Watch only)
- Regardless of whether you record on Apple Watch or iPhone / iPad, the recording will be managed collectively in iCloud. So you can record on your Apple Watch and check it on your iPhone / iPad calendar. Wrong records can be deleted on either Apple Watch or iPhone / iPad.
(* iPhone/iPad only)