Golfbook vs RuleCaddie

Never argue about a ruling again. GolfRef is the essential reference app for American golfers — whether you're a weekend warrior, a new player trying to learn the game, or a seasoned player who just blanked on the drop procedure. [RULES] 10 of the most common on-course situations explained in plain English — not the stuffy R&A rulebook language. OB, lost balls, penalty areas, bunkers, embedded balls, flagstick rules, and more. Every rule includes a Pro Tip so you actually remember it next time. [SLANG DICTIONARY] 28 golf terms from Ace to Yips. Know what a Snowman is. Understand why nobody says "shank" out loud. Learn the difference between a draw and a hook, a chunk and a skull. Each term comes with a real-world example so it sticks. [PENALTY CALCULATOR] The fastest way to know your ruling. Pick your situation — OB, lost ball, water hazard, unplayable lie, wrong ball, bunker violation, flagstick — answer one question, and get a clear verdict: how many strokes, what to do next, and whether there's actually no penalty at all (it happens more than you think). [WHY GOLFERS LOVE IT] - Clean dark interface — easy to read in bright sunlight - Works 100% offline — no signal needed on the course - Covers the 2019 rules updates (flagstick, bunker loose impediments) - Fast enough to use between shots without slowing down your group Stop guessing. Stop arguing. Just open GolfRef.

The Rules of Golf run to 200+ pages. You're standing in a penalty area with a bet on the line and three opinions in your group. RuleCaddie settles it. Ask in plain English — "my ball's in the water, red stakes, what are my options?" — and get the ruling, your options, and any penalty strokes, with the exact rule number so anyone can check it. FREE, FOREVER • The complete Rules of Golf — searchable, and fully offline for the dead spots on the back nine • Daily quiz with streaks, plus real-world scenarios • Round mode: track penalties, keep score, and get your course handicap • Share cards that end the argument in the group chat • AI answers generated right on your iPhone (newer models with Apple Intelligence) RULECADDIE PRO • AI rulings from our cloud rules engine, citing the exact rule number • Photo rulings — snap the local rules sheet or your ball's lie and get an answer that accounts for it • Spoken answers, so you can listen while you walk to your ball • Drop-point visualizer — see your actual relief area drawn on a satellite map • Course memory — photograph a scorecard or local rules once and RuleCaddie remembers that course • Penalty analytics — see where your strokes actually leak, round after round • Unlimited practice quizzes and Rules Official study tracks • Your full rulings history, synced across devices ON YOUR WRIST Ask from your Apple Watch and the ruling comes back through your phone. Your round lives on the lock screen and in the Dynamic Island. SUBSCRIPTION RuleCaddie Pro is $2.99/month or $19.99/year, with a 1-week free trial. Payment is charged to your Apple Account at confirmation of purchase. Subscriptions renew automatically unless cancelled at least 24 hours before the end of the period. Manage or cancel anytime in Settings › your name › Subscriptions. Privacy: https://rulecaddie.app/privacy Support: https://rulecaddie.app/support RuleCaddie is not affiliated with, or endorsed by, the USGA or The R&A. Answers are AI-generated with rule citations and are not official rulings — for competition, confirm with a rules official.