Disclosure Based on the Act on Specified Commercial Transactions
Last updated: April 27, 2026
1. Business Name
Banana Sapience
2. Address
〒213-0004 神奈川県川崎市高津区諏訪1-22-1
3. Representative
Yosuke Sakurai
4. Director of Operations (運営責任者)
Yosuke Sakurai
5. Contact Information
Email: Contact us
6. Products and Services
Deckbase is an AI-powered flashcard and spaced repetition platform delivered as a web application and mobile app.
7. Prices
- Free Plan: $0 (free forever)
- Basic Plan: $5.99 per month / $59 per year
- Pro Plan: $11.99 per month / $119 per year
All prices are in USD. Prices include applicable taxes where required by law.
8. Payment Methods and Timing
Payments are accepted via credit/debit card through Stripe (web), Google Play Billing (Android), or Apple App Store (iOS). You will be charged at the start of each billing period.
9. Delivery Method and Timing
Services are delivered digitally and access is granted immediately upon successful payment. No physical goods are shipped.
10. Cancellation and Refunds
You may cancel your subscription at any time. Cancellation stops future charges, and you retain access to premium features until the end of the current billing period.
We do not offer refunds for subscription fees already paid, except where required by applicable law (such as consumer protection laws in your jurisdiction) or as provided by the applicable platform (Google Play or Apple App Store refund policies).
For full details, see our Refund Policy.
11. Special Terms
Subscriptions renew automatically unless cancelled before the renewal date. You must be at least 13 years old to use the service.
12. Governing Law
These terms are governed by the laws of Japan.