Last updated: July 12, 2026
This Privacy Policy explains how BookTrendr collects, uses, stores, and protects your information when you use our website, app, research tools, monitoring features, billing pages, and support forms.
By using BookTrendr, you agree to the practices described in this Privacy Policy.
BookTrendr is a book market research tool for authors, publishers, and self-publishers.
BookTrendr helps users research book niches, keywords, categories, competitor books, pricing, reviews, bestseller rankings, and publishing opportunities.
For privacy questions, contact us here.
We collect information you provide directly, information generated when you use the service, and information received from trusted service providers.
Account information. When you create an account or sign in, we may collect:
Research and project data. When you use BookTrendr, we may collect and store:
Billing information. Payments are handled by our payment processor. We do not store full credit card numbers.
We may receive and store billing-related information such as:
Support information. If you contact support, we may collect:
Technical information. When you use BookTrendr, we may collect limited technical information such as:
We use this information to keep the service working, secure, and reliable.
BookTrendr is not designed to collect sensitive personal information.
Please do not submit sensitive information such as:
If you send this type of information to support by mistake, we may delete it.
We use your information to:
Some BookTrendr features use AI systems to generate summaries, opportunity analysis, ideas, strategies, titles, and other research outputs.
When you use AI-powered features, relevant inputs may be sent to an AI service provider for processing. These inputs may include your topic, keyword, selected books, categories, review summaries, or other research data needed to generate the result.
We do not intentionally send sensitive personal information to AI providers. You should avoid entering private or sensitive personal information into research prompts or support fields.
AI outputs may be saved in your account if they are part of a saved project or generated report.
BookTrendr relies on trusted third-party services to operate the product.
These may include providers for:
These providers may process information only as needed to provide their services to BookTrendr.
We do not sell your personal information.
BookTrendr may display or analyze publicly available or provider-supplied book market data, such as bestseller ranks, prices, reviews, categories, titles, authors, and related metadata.
BookTrendr is not affiliated with, endorsed by, or sponsored by Amazon, Kindle Direct Publishing, Goodreads, or any other marketplace unless explicitly stated.
Market data may be incomplete, delayed, or changed by third-party sources.
BookTrendr may use cookies, local storage, or similar technologies to:
We do not use third-party advertising trackers or sell browsing behavior to advertisers.
If this changes in the future, we will update this Privacy Policy.
If you are located in the European Economic Area, United Kingdom, or a similar privacy jurisdiction, we process your personal information under one or more legal bases:
We keep personal information only as long as reasonably necessary for the purposes described in this policy.
Typical retention periods may include:
If you delete your account, we may schedule deletion with a delay, such as 30 days, to prevent accidental deletion and complete legal or security checks.
Some records may remain longer if required by law, payment rules, fraud prevention, backups, or dispute resolution.
You may request deletion of your account where this option is available in BookTrendr.
When deletion is completed, we will delete or anonymize personal data associated with your account unless we need to retain certain information for legal, billing, tax, fraud prevention, security, or dispute purposes.
Deleted account data may not be recoverable.
Depending on where you live, you may have rights to:
To make a privacy request, contact us here.
We may need to verify your identity before completing the request.
We may send you emails related to:
You can unsubscribe from marketing emails where applicable. You may still receive transactional or security-related emails.
We use reasonable technical and organizational measures to protect your information.
These measures may include:
No online service can guarantee perfect security. You are responsible for keeping your account credentials secure.
BookTrendr and its service providers may process information in countries other than your own.
Where required, we use appropriate safeguards for international transfers, such as contractual protections or service providers that maintain recognized compliance measures.
BookTrendr is not intended for children.
You must be at least 18 years old, or the age of legal majority in your location, to use BookTrendr.
We do not knowingly collect personal information from children. If you believe a child has provided personal information to us, contact us and we will take appropriate steps to delete it.
BookTrendr is designed for market research, not for publishing personal information.
Do not enter private personal information, confidential manuscripts, private customer data, or sensitive information into research fields unless you are comfortable with that data being processed as part of the service.
You are responsible for the content you submit to BookTrendr.
We may update this Privacy Policy from time to time.
If we make material changes, we may notify you through the app, by email, or by updating the "Last updated" date.
Your continued use of BookTrendr after the updated policy takes effect means you accept the revised policy.