PricingPlans
When you're ready to grow your star chart into an asset, upgrade anytime.
Mini-reads, the quiz, and the star chart stay free — always.
Start here
Inquiry Passport
Turn your star chart into an asset.
¥980/mo
- Weekly route — your chart's next step, delivered by email
- Full monthly report (with a reunion with your past answers)
- Full access to the monthly theme archive
- Unlimited saves and finished-book records (free: up to 20)
Inquiry Guide
Take your questions further, in conversation.
¥1,980/mo
- Everything in Passport
- AI guide grounded in the field graph and 250 curated books
- Chapter guides — where to enter a difficult book
- Deep-dive roadmaps designed in dialogue
- Next-book suggestions from what you've read
Frequently asked questionsFAQ
- How much can I do for free?
- Mini-reads, the Curiosity Quiz, and browsing the Knowledge Map and your star chart are free — always. Paid plans add ways to keep your record as an asset and take your inquiry deeper.
- What payment methods can I use?
- Credit and debit cards are accepted. Payments are processed securely through Stripe; your card details are never stored by the Service.
- Can I cancel or change plans anytime?
- Anytime. It takes a few clicks from the subscription settings on your My Star Chart page — no proration, no cancellation fees.
- What happens to my notes if I cancel?
- You can export your notes as Markdown from the account page at any time — including after you cancel. We want to be chosen for the experience, not by lock-in.