Minimum
¥300
30 credits
Smallest charge for first-time usage.
Buy Credits
Add only what you need and keep your validation loop running without interruption.
Pricing is shown in JPY. Credits are prepaid and expire 1 year after last purchase or usage.
What are credits?v
- - Credits can only be used for PrototypeR features (Step1-Step8).
- - Credits cannot be used with external merchants, services, or apps.
- - Cash-out, withdrawal, or transfer (including user-to-user transfer) is not allowed.
- - Purchased credits are non-refundable except where required by law.
- - Credits expire 1 year after the last purchase or usage.
- - Expired credits cannot be reissued.
See Terms of Service and Privacy Policy for details.
Credit Purchase Specifications
- - Billing currency is Japanese Yen (JPY).
- - Displayed prices may be subject to tax treatment based on your billing region.
- - Payment methods available are those shown on the Stripe checkout screen.
- - Credit consumption differs by operation and mode (Light / Think).
Starter
¥500
50 credits
Good for a focused validation sprint.
Light
¥1,000
100 credits
Recommended entry for weekly experiments.
Recommended
Middle
¥3,000
350 credits
Best value for continuous validation.
High
¥10,000
1,300 credits
For multi-project operation and teams.