Last updated: September 2026
This Privacy Policy applies to both sites operated by GolferX, Inc. ("we," "us," "our"): Clubfit.golf, our free golf club fitting tools, and Golf Equipment Database (golfequipmentdatabase.com), our open, community-editable equipment database. It explains what we collect, how we use it, and which third parties may receive data when you use either site. Where a section applies only to one property, it says so.
To improve our recommendations, we take the launch-monitor measurements from fittings run on our tools — the equipment tested and its numbers (club and ball speed, spin, launch and descent angle, carry, and similar) — strip them of any identifier (no name, email, or account) before they are stored, and pool the anonymized data across golfers to make our models better for everyone. Contributing this anonymized data is part of using our free fitting tools, as agreed when you accept this Privacy Policy and our Terms of Service: you receive a fitting at no cost, and in return your anonymized numbers help the next golfer get a better result.
Because these records carry no identifier linking them to you, they cannot be traced back to you or individually retrieved or deleted once stored. As anonymized, aggregated data they are a proprietary asset of GolferX, Inc., which may retain them indefinitely, use and analyze them to operate and improve our tools, and — only in aggregated or derived form (such as statistical insights, benchmarks, and trained recommendation models) — commercialize or license them. We do not sell or license individual, record-level observations as standalone data, and we do not sell or share personal information in any form. They are never shared in a way that identifies an individual, and we do not attempt to reidentify them (see Our Commitments on Anonymized Data below). This commercial use applies to measurements collected on or after September 2026; measurements collected before that date are used only to operate and improve our own tools.
We rely on anonymization rather than on your continued trust in our restraint, so we state the following as binding commitments:
If we ever intend to depart from any of these, we will say so here first and give notice before it takes effect — not afterwards.
We do not set first-party tracking cookies. We do set two strictly necessary cookies on the equipment database, both only once you choose to sign in, and neither used for analytics or advertising:
contrib_session — keeps you signed in. HTTP-only, 90 days.contrib_wa — holds a single passkey sign-in challenge. HTTP-only, five minutes.The following third-party tools we integrate may set cookies, identifiers, or similar technologies when you use our sites:
You can disable cookies and trackers via your browser settings or use privacy tools (uBlock, AdGuard, Brave shields). Doing so will not break the fitting tool but may prevent us from receiving affiliate credit for your purchases.
Clubfit.golf earns commissions when users click affiliate links on our site and complete qualifying purchases at partner retailers. We participate in the Awin affiliate network and currently link out to 2nd Swing.
When you click an affiliate link, the following data is passed to the merchant or affiliate network:
Once you land on the merchant's site, their privacy policy applies. We do not control or have access to data they collect.
We use trusted third parties to provide infrastructure, processing, and communication services. They are permitted to process data only as needed to perform those services:
If you create a contributor account for our public equipment database, we store your email address (used only for single-use sign-in links — we never store passwords), your chosen public display name, and your contributions. Your email is never displayed publicly and never appears in the public dataset. If you choose to add a passkey (Face ID, Touch ID, Windows Hello, a fingerprint or a security key), we store only the public half of that credential, a device name you choose, and the dates it was added and last used. Your biometrics never leave your device and are never sent to us: your device checks your face or fingerprint locally and then signs a one-time challenge, and we only verify the signature. We email you whenever a passkey is added to or removed from your account, so a change you did not make reaches you on a channel you control. You can remove a passkey at any time from the contribute page, and email sign-in always remains available. You can delete your account at any time from the contribute page; deletion immediately removes your email, sign-in sessions, passkeys, and display-name registration from our live systems, and they disappear from our encrypted backups within 24 hours as those are rewritten. Because the contribution history is a permanent public record, past contributions remain in the dataset attributed to your display name after account deletion — choose a pseudonym if you prefer. Contributions are published under the CC BY-SA 4.0 license described in the contributor terms.
If you use My Bag to record the clubs you play and how they are built (heads, lofts, lie, length, shafts, grips, swingweight, settings, notes and the dates and sources of those measurements), that data is stored against your account and is private: it is visible only to you, it is not part of the public dataset or any export, and it is deleted from our live systems immediately when you delete your account (and from our encrypted backups within 24 hours, as those are rewritten). With your agreement (collected before your first save), we may use My Bag data in anonymized, aggregated form only — stripped of your email, display name and account identifier and combined with other golfers' data — to understand how equipment is actually built and played and to improve the database and our fitting models. Such aggregated or derived data is a proprietary asset of GolferX, Inc., may be retained indefinitely and, in aggregated or derived form, used or licensed commercially; we do not sell or license your individual bag records as standalone data, we do not sell or share personal information, and aggregates are never shared in a way that identifies an individual or reidentified. Deleting your bag or account stops any future use; aggregates already derived cannot be traced back to you.
We retain fitting session data and waitlist entries indefinitely to support product improvement, future communications, and historical recommendation accuracy. You may request deletion of your personal data at any time by contacting us at the address below.
Contributor accounts and My Bag are kept for as long as the account exists, and are removed when you delete it, as described above. We keep encrypted backups of accounts, passkeys and My Bag so the data survives a technical failure; each nightly backup replaces the last, so a deleted account is gone from backups within 24 hours. Entries in the public contribution log are a permanent record and remain under your display name, as explained above.
Depending on your location, you may have the right to access, correct, or delete personal data we hold about you, or to object to its processing. To exercise any of these rights, email info@golferx.io and reference your session or email address. Note that anonymized, aggregated data that no longer identifies you (see “Measured Fitting Data & Model Learning” above) cannot be located or deleted because it carries no identifier linking it to you.
Our sites are operated from the United States, are intended for users in the United States, and all data is stored and processed on servers in the United States. We do not target, market to, or knowingly offer our services to users in the European Economic Area or the United Kingdom, and our sites are not designed to meet the specific requirements of those regimes. If you access our sites from outside the United States, you do so on your own initiative and are responsible for compliance with your local law. We may add region-specific handling in a future release.
California law gives residents rights to know what personal information is collected, to request deletion or correction, and to opt out of the sale or sharing of personal information. We do not sell or share personal information, so there is nothing to opt out of and we provide no “Do Not Sell or Share” mechanism for that reason — not because one has been omitted. The data we may commercialize is aggregated or derived data that no longer identifies anyone, which is excluded from the definition of personal information. You will not be treated differently for exercising any privacy right. To exercise one, email info@golferx.io.
Our sites are not directed at children under 13 and we do not knowingly collect data from them.
We may update this policy from time to time. The revision date above will reflect any changes. Material changes will be communicated to subscribers where we have an email address on file.
GolferX, Inc., a Delaware corporation
c/o Registered Agent
1401 21st Street, Suite R
Sacramento, CA 95811, United States
info@golferx.io