桑都ペイ is a digital local currency app unique to Hachioji City, where users can utilize 1 point as 1 yen at participating stores within the city. It is designed to be accessible for anyone, including tourists visiting Hachioji City. In addition to payment and store search functions, the app also offers coupon and notification features.

The main features of 桑都ペイ include various payment methods depending on the store, such as user scan or store scan. For user scan, users need to scan the QR code at the store, input the payment amount, and have the staff confirm the payment. For store scan, users need to have the store staff scan the QR code, input the payment amount, and confirm the payment.

The app also includes a store search function that allows users to search by area or industry, and view the location of the stores on a map. Furthermore, there is a coupon feature where users can show the coupon to store staff for redemption, as well as a notification feature to receive updates from the local government and stores.

Please note that the app requires an internet connection and data charges may apply. Coupons have different expiration dates and usage limits, and there may be periods without coupon distribution. Users should be cautious when changing their phone number during the two-factor authentication setup, as it may result in inability to log in on a new device. When changing phone numbers, it is recommended to disable two-factor authentication on the old device. Memory issues may occur if other apps are running simultaneously with 桑都ペイ. While the app's security is well-maintained, users can enhance security by setting a lock screen on their mobile device.