It is an application that searches for day trip hot springs all over Japan. You can search for hot spring information from the prefecture area or map, and check the photo, address, phone number, word of mouth, etc. of the hot spring from the hot spring details page.

(About premium plan)
A subscription to the "Premium Plan" is required to hide layer functions and ads.

(Premium plan price)
200 yen per month (tax included)

(Billing method)
It will be charged for each account you use and will be automatically renewed every month.

(Automatic updating)
The subscription period will be automatically renewed for one month unless the premium plan is canceled by the day before the end of the subscription period.

The renewal fee for one month will be determined and charged within 24 hours from the end of the subscription period. For details, please refer to the Nationwide Day Trip Hot Spring Map Terms of Use.

terms of service
https://www.olive-system.com/android/onsen_map/onsen_policies_android.html