Legal
特定商業交易法標示
Notice under Article 11 of Japan’s Act on Specified Commercial Transactions. The Japanese version of this page is authoritative. To request an item marked “disclosed upon request”, email the address below.
- Seller
- 印度式計算道 編輯部 (legal name: disclosed without delay upon request)
- Person responsible
- Disclosed without delay upon request
- Address
- Disclosed without delay upon request
- Phone number
- Disclosed without delay upon request
- support@indian-mathmatics.app
- Price
- JPY 350 (tax included) in Japan. The price shown on each store page applies.
- Additional fees
- Data charges for downloading and updating the app are borne by the customer.
- Payment method
- Payment methods provided by the App Store or Google Play
- Payment timing
- When the purchase is completed in the store, per each store’s terms
- Delivery
- Available to download immediately after purchase.
- Returns and cancellations
- Due to the nature of digital content, purchases cannot be returned or cancelled. Refunds follow the App Store / Google Play refund policies.
- System requirements
- iOS 18.0 or later (iPhone / iPad), Android 7.0 or later
Last updated: October 18, 2026
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