Legal
Notice under the Act on Specified Commercial Transactions
This English text is a reference translation. The Japanese version is authoritative and prevails in the event of any inconsistency.
Last updated · Sep 9, 2026
The following information is displayed pursuant to Article 11 of the Act on Specified Commercial Transactions.
| Item | Details |
|---|---|
| Seller | DencyuSystems (sole proprietorship) |
| Person responsible for operations | Takumi Tanaka |
| Address | Disclosed without delay upon request. Please contact [email protected]. |
| Telephone number | Disclosed without delay upon request. Please contact [email protected]. |
| Email address | [email protected] |
| Website | https://relaynote.dev |
| Price | Relaynote Pro: JPY 480 per month (tax included), JPY 4,800 per year (tax included). For subscriptions from outside Japan, USD 5 per month and USD 48 per year (both excluding tax). The free plan (Free) is JPY 0. |
| Charges other than the product price | None. Communication charges for the internet connection shall be borne by the customer. |
| Payment method | Credit card payment (using the payment services of Stripe, Inc.) |
| Payment timing | The initial fee is charged at the time of subscription. Thereafter, the subscription renews automatically for each contract period (one month for the monthly plan, one year for the annual plan) and is charged on the renewal date. |
| Timing of service provision | Available for use immediately after payment is completed. |
| Returns and cancellation | Due to the nature of a digital service, returns are not accepted after provision has begun. Cancellation may be performed at any time from the billing management screen (customer portal). Upon cancellation, the next automatic renewal stops, and the service remains available until the last day of the current contract period. Even if you cancel during a period, fees corresponding to the unused portion of the period cannot be refunded (except where a refund is required by law). |
| System requirements | The latest versions of major web browsers (Google Chrome, Safari, Microsoft Edge, Firefox) and an AI client supported by the Service. An internet connection is required. |
| Special sales conditions | Persons under 13 years of age may not use the Service. The content and limits of the free plan are subject to change. If fees are to be changed, notice will be given at least 30 days in advance. |
Regarding Disclosure of the Address and Telephone Number
The Service is operated by a sole proprietor, and as stated above, the address and telephone number are handled on the basis that they will be disclosed without delay upon request. Customers who wish to request disclosure should contact [email protected].