Pricing
Start for free. Premium is a ¥500/month subscription that unlocks larger charts, premium themes, watermark-free export, PDF/SVG export, and higher AI limits during your active subscription.
Free
¥0
- Create and edit charts with up to 9 people
- Auto-arrange and grid placement
- Standard theme
- HD PNG export (with watermark)
- URL sharing and social sharing
- AI chart draft from text, once per day
- Local browser autosave
- No sign-up required
Premium — included in every plan below
- Create charts with 10+ people
- Premium design themes
- Watermark-free export
- PDF / SVG / social-size export
- AI character image generation, 5 times per day
- AI chart generation, raised to 10 times per day
Monthly
¥500
/ month (tax incl.)
Just want to try a month? Cancel anytime.
Best value · 33% off
Yearly
¥3,980
/ year (tax incl.)
¥332/mo — save ¥2,020 vs monthly.
Lifetime
¥1,980
/ one-time (tax incl.)
No subscription. Pay once, use forever.
- Cancel monthly / yearly anytime with one click
- Full access from day one — no proration
- Secure payment by Stripe — we never store your card details
Feature comparison
| Feature | Free | Premium |
|---|---|---|
| Create and edit relationship charts | Yes | Yes |
| People limit | Up to 9 | No fixed limit |
| Auto-arrange and grid placement | Yes | Yes |
| URL sharing and social sharing | Yes | Yes |
| AI chart generation from text | 1/day | 10/day |
| PNG quality | HD | HD |
| Premium themes | No | Yes |
| PDF / SVG / social-size export | No | Yes |
| AI character image generation | No | 5/day |
| Saved-image watermark | Included | Removed |
FAQ
Is this a subscription?
Yes. Premium is a ¥500/month subscription. It renews automatically until canceled, and Premium features remain available during the active paid period.
Do I need to create an account?
No. Both Free and Premium can be used without creating an account.
How is Premium activated?
After completing Stripe Checkout, Premium is activated in the same browser automatically. If you want to use Premium in another browser or device, open the completion redirect URL there.
Can I cancel anytime?
Yes. After cancellation, Premium features remain available until the end of the paid subscription period.
Can I get a refund?
Because this is a digital subscription, paid periods are generally non-refundable. If you see duplicate billing or a service-side issue, contact contact@soukanzu.jp.
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