Seller’s name, address, and telephonePlease request this information by email at help.kiokuma@gmail.com. It will be disclosed by email without delay upon request.ProductPaid plans (monthly, yearly, and lifetime) for kiokuma, a flashcard app for iPhone and iPadPriceTax-inclusive prices for each plan are shown on the in-app purchase screen and the App Store purchase sheet. Prices vary by country or region. For a limited time after first installation, the lifetime plan may be offered at a special price.Additional costsInternet connection and communication charges are the customer’s responsibility.Payment methodPayment through the Apple App Store (payment methods provided by Apple)Payment timingThe lifetime plan is paid at purchase. Monthly and yearly plans are charged at purchase and automatically at each renewal. Exact billing timing follows Apple’s rules.AvailabilityThe service is available in the app immediately after payment is completed.Term and auto-renewalThe monthly plan renews every month and the yearly plan every year. They renew for the same period unless auto-renewal is turned off at least 24 hours before the end of the current period. The lifetime plan has no term. If the app is discontinued, we will give at least three months’ notice, and you can keep using it on devices where it is already installed (without a guarantee that it will keep working). Amounts paid are not refunded on discontinuation except where required by law.CancellationCancel monthly or yearly plans from Settings > [your name] > Subscriptions on your iPhone or iPad. Access continues until the end of the paid period. No prorated refunds are given for cancellation partway through a period.Returns and refundsDue to the nature of digital content, returns are not accepted after purchase. Refunds follow Apple’s procedures and applicable law. Request a refund through your Apple purchase history or reportaproblem.apple.com.Free tierUp to 200 reviews (rating how well you remembered a card) in total are free.System requirementsiOS 26 or later, or iPadOS 26 or later. Signing in to iCloud is required to sync data between devices. 