Ask out loud — "my ball's in the water, red stakes, what are my options?" — and get the ruling with the exact USGA/R&A rule number. On your phone, your lock screen, and your wrist.
No thumbing through a rule book on the tee box while your group waits.
Tap the mic and describe your lie in plain English. Gloves on, phone barely out of the bag.
The answer streams back in seconds — your options, any penalty strokes, and the exact rule number.
One tap turns the ruling into a share card for the group chat. The argument is over.
Built on the official Rules of Golf, answered by AI, cited by rule number — with a full offline rule book for when the signal dies on the back nine.
Describe the situation out loud. Answers stream back in seconds and can be read aloud while you walk to your ball.
The Drop Helper draws your actual relief area on a satellite map — two club-lengths, back-on-the-line, exactly where you can drop.
Photograph the local rules board and scorecard once. Every future answer accounts for your club's local rules — automatically.
One-tap scores, penalties logged with the rule cited, stroke holes marked from your handicap, and a recap when you're done.
Enter your opponent's handicap and every hole shows who gives strokes where — with live match status on your lock screen.
A daily 3-question quiz with streaks, visual scenario drills, and study tracks that make you the authority in your foursome.
Tap share on any ruling and RuleCaddie drops a clean card — the question, the answer, the exact rule — right into the group chat. No more "my buddy says." Now there's a receipt.
And the card is branded, so every argument you settle quietly recruits the next golfer in the thread.
Start free, no account or card required. Upgrade whenever you want more.
Then $2.99/mo or $19.99/yr. Cancel anytime in Settings.
No — they're AI-generated with citations to the official Rules of Golf, and they're built to be right. For competition, always confirm with a rules official. RuleCaddie is not affiliated with the USGA or The R&A.
Every answer is grounded in the current Rules of Golf and cites the specific rule number so you can verify it yourself. For the situations golfers actually hit — penalty areas, drops, unplayable lies, OB — it's reliable enough to settle the tee-box debate. For a competition ruling, a rules official is still the final word.
Yes. The complete rule book works fully offline, and on newer iPhones with Apple Intelligence, basic questions are answered by on-device AI with zero signal — handy in the dead spots on the back nine.
No. The free tier gives you 5 AI rulings a day plus the full rule book, quiz, and round mode — no account or card required. Pro adds unlimited rulings and more, with a 1-week free trial.
Yes — ask from your wrist and the answer comes back through your phone. Your round also lives on the lock screen and in the Dynamic Island, so it follows you the whole 18.
Enter your handicap index once. Photograph any course's scorecard and RuleCaddie reads the slope and rating, computes your course handicap with the official formula, and marks your stroke holes. Then keep score with one tap per hole.
The minimum needed to answer your questions and sync your account. No selling data, no ads, no third-party trackers. You can delete your account and all data anytime from within the app. See our privacy policy.
Subscriptions are handled entirely by Apple: Settings → your name → Subscriptions. Cancel anytime; Pro stays active until the end of the period.
Still curious? Email trey@fathomdev.io — a real person replies.
RuleCaddie is launching soon on the App Store. Join the waitlist and we'll email you the moment it's live.