Help center
Plain answers.
The questions we hear most, answered without hedging. If you don't find what you need, email help@opponentbook.app.
Getting started
What OpponentBook is and how to start
3 Q&A →
Privacy & encryption
Where your data lives, what zero-knowledge means
4 Q&A →
Tiers, pricing, and AI
Free vs. Premium vs. Pro vs. Max
4 Q&A →
Features & how-tos
Pins, annotations, exports
2 Q&A →
Behavioral tracking
What's tracked, what's not, where it lives, how to turn it off or clear it
3 Q&A →
Troubleshooting
Sync issues, lost passwords
3 Q&A →
Sport-specific
The schematic, structured fields and tag vocabulary for each sport.
Contact and support
Email us and a human answers — usually within a couple of days. Include your platform (web, iOS, Android) if it's a technical question.
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