Last updated: July 27, 2026
| Seller | Universal Marketing Inc. |
|---|---|
| Representative | Naoto Konagaya, Representative Director |
| Address | 2397 Yadoriki, Matsuda-machi, Ashigarakami-gun, Kanagawa 258-0001, Japan |
| Contact | Email: info@umarketing.co.jp Telephone number will be disclosed without delay upon request by email. |
| Service | SEO Quality Checker Chrome extension and related web services. |
| Price | Plus: JPY 100 or USD 1 per month; Pro: JPY 500 or USD 5 per month; Ultra: JPY 1,000 or USD 10 per month. The applicable amount is shown on the pricing page and the final Stripe Checkout screen. |
| Additional costs | No service handling fee. Internet access and communication charges are borne by the customer. |
| Payment method | Credit card payment processed by Stripe. |
| Payment timing | The first payment is charged when the subscription begins. The subscription then renews automatically each month on the billing date shown by Stripe. |
| Service availability | Paid features become available after payment completes and the plan is reflected in the account. |
| Cancellation and refunds | You may schedule cancellation at any time from billing management. Paid access continues until the end of the current billing period, and no further renewal charge is made. Due to the nature of digital services, payments already made for the current period are not refunded or prorated except where required by law. |
| System requirements | Google Chrome. Other browsers are outside the officially supported environment. |