Golf Official vs Golfbook
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Golf Official
Get instant, accurate rulings on any golf situation with this AI-powered assistant. Simply speak or type your question to receive clear, plain-English answers based on the official Rules of Golf, eliminating the need for a physical rulebook.
- AI-powered rulings
- Voice and text input
- Plain-English explanations
- Covers common and specific situations
- Saves ruling history
- Based on official USGA/R&A rules
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Golf Official is your pocket rules authority - an AI-powered assistant that delivers fast, accurate rulings on any situation you encounter on the course. Whether your ball lands in a penalty area, you are unsure about casual water relief, or your opponent's putt deflects off yours on the green, Golf Official gives you a clear, confident ruling in seconds. HOW IT WORKS Tap the golf ball and ask your question by voice, or type it out. Golf Official consults the official Rules of Golf and responds with a plain-English ruling - no rulebook required. KEY FEATURES Voice Input - Tap the ball and speak your question naturally. Golf Official listens and responds instantly. Common Questions - Browse pre-loaded rulings for the most frequent on-course situations: lost ball, unplayable lies, casual water, out of bounds, penalty areas, and more. History - Every ruling is saved so you can reference it again during your round or share it with your playing partners. U.S. Rules - Rulings are based on the official USGA / R&A Rules of Golf. Live AI - Powered by real AI, not a static FAQ. Ask any question, however specific, and get a ruling tailored to your situation. BUILT FOR THE COURSE Golf Official is designed to be fast. No menus to dig through, no accounts to create. Open the app, ask your question, get your ruling. Simple as that. Perfect for casual rounds, club competitions, and anyone who wants to play by the rules without carrying a rulebook in their bag. COMMON SITUATIONS COVERED - Ball in casual water or a puddle - Unplayable ball in bushes or rough - Lost ball - time limits and stroke-and-distance - Ball out of bounds - Red and yellow penalty areas - Ball moved at address - Loose impediments on the green - Embedded ball - Abnormal course conditions - And any other situation you can describe Download Golf Official and never argue over a ruling again.
Golfbook
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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.
Screenshots
Verdict
The clearest difference is ads: Golf Official at none against Golfbook's shown. On price, in-app purchases, device support and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Golf Official | Golfbook |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | — | Every 3 months |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 14.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 3 MB | 24 MB |
| Age rating | 4+ | 4+ |
| Developer | Sean Richards | JAEMIN LEE |
In-app purchases
Golf Official
No in-app purchases
Golfbook
No in-app purchases







