Trust centre
What happens to your swing, and to you.
The short version: your video stays on your phone, the numbers measured from it are used to write your coaching, and nothing is used to train an AI model.
How a swing is read
When you choose a clip, your browser opens it and runs a body-tracking model on your own device. It measures your tempo, the ten positions of the swing and your body angles at each. The video file is never sent to us or to anyone else. That is why the model downloads to your phone the first time: the model comes to the video, not the other way round.
What is sent to write your coaching
Only the measurements: timings, angles, which checks passed, your own answers to the checklist and the level you chose. No video, no images, no name and no email. These numbers are sent from our server to Anthropic's Claude model, which writes the coaching. Anthropic does not train its models on this data. Every piece of coaching is then checked by our server before you see it: any number it quotes must be one that was measured from your swing, and every drill must come from our own catalogue. If the check fails, you get our built-in coaching instead.
What we keep
- Your email address and a salted, slow hash of your password. We cannot see your password.
- Your first name if you give it, your level and which hand you play.
- For each session you save: the measurements and the coaching written from them. Not the video, and no images of you.
We do not sell data, show adverts or share your details with anyone except the services needed to run Golf Coach AI.
How your account is protected
- Everything travels over HTTPS, with strict security headers that stop the pages being framed or loading code from anywhere else.
- Passwords must be at least 12 characters with mixed types, or a 16-character passphrase, and are stored with PBKDF2-SHA256 at 260,000 rounds.
- Repeated wrong passwords slow down and then lock the account for 30 minutes.
- Changing or resetting your password signs you out on every other device.
- Reset links work once, last an hour, and only a fingerprint of them is stored.
- Requests from other websites are refused before they reach your account.
Who we are
Golf Coach AI is made by askKira, a trading name of Public Sector Analytics Limited, registered in England and Wales, company number 14889377, based in Manchester. askKira holds Cyber Essentials. Our full privacy policy and data documents are in the askKira policy library and the askKira Trust centre.
Beta
Golf Coach AI is in beta, for players aged 18 and over. The coaching is general guidance from measurements of your body, not a substitute for a qualified coach. It does not track the club, so it says nothing about club face, path or ball flight.
Questions
Email mark@askkira.com.