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Start free. Upgrade when you're evaluating a real deal — one report saved more than pays it back.
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Free
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€0.00forever
- 3 Red Flag Reports per week
- Full access to all example reports
- Score, verdict, and every triggered flag
- Shareable public report link
StandardBook
For the serious buyer evaluating a single deal
€50.00/yr
billed yearly
- Unlimited Red Flag Reports
- AI-tailored seller questions (GPT-5.2)
- PDF export of every report
- Compare up to 3 deals side by side
- Save reports across devices
- Email a report to your inbox
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Most popular
PoemBook
For pros comparing multiple acquisitions
€119.00/yr
billed yearly
- Everything in StandardBook
- Unlimited deal comparisons
- AI narrative summary of each deal
- AI copilot chat about your specific deal
- White-label reports for your accountant
- Priority support & early feature access
PayPal — add keys to enable
Payments are processed by PayPal. OpenBook never sees your card. Subscriptions renew automatically until cancelled from your PayPal account. Currency conversion rates shown are illustrative and are re-quoted by PayPal at checkout.