RuleCaddy vs Golfbook
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
RuleCaddy
Instantly find answers to golf rules on the course with an intuitive, AI-powered tool. Access all essential content offline and stay updated with regular rule changes. Perfect for golfers of all levels seeking clarity and confidence.
- AI-powered search for rules
- Intuitive navigation
- Offline access to content
- Regular updates for rule changes
- Ad-free Pro version available
Read full descriptionHide full description
No more uncertainty on the golf course! Whether it's a water hazard, lost ball, or unplayable lie – with RuleCaddy you have the answer to every rules question right in your pocket. We've transformed the complex rules of golf into a modern, fast, and intuitive tool so you can focus on what really matters: your game. WHY RULECADDY? Golf is challenging enough – the rules shouldn't be. RuleCaddy gives you a clear structure and fast navigation when you need answers quickly on the course. INSTANT SEARCH & INTUITIVE NAVIGATION AI-powered search understands what you mean - and finds the right rule. OFFLINE MODE Thanks to local storage, you have access to all essential content even without signal on the most remote fairway. ALWAYS UP TO DATE Our regular updates ensure that rule changes and new content are seamlessly synchronized. RULECADDY PRO Want more? RuleCaddy Pro gives you a completely ad-free experience (the free version contains ads). WHO IS RULECADDY FOR? Beginners: Learn the rules confidently and safely during your first rounds. Tournament players: Always be on the safe side when in doubt and avoid unnecessary penalty strokes. Golf enthusiasts: An essential tool for anyone looking to refresh or deepen their knowledge of the game.
Golfbook
Read full descriptionHide full description
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 in-app purchases: Golfbook at none against RuleCaddy's 1. RuleCaddy's advantage is update cadence (fortnightly vs every 3 months). On price, ads, 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. RuleCaddy sells 1 one-off in-app purchase. Golfbook asks for nothing beyond the download.
RuleCaddy ships an update fortnightly, Golfbook every 3 months. The most recent releases landed on October 8, 2026 and October 7, 2026 respectively.
| Parameter | RuleCaddy | Golfbook |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Fortnightly — better | Every 3 months |
| Ads | Yes | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15.1 | 15.0 — better |
| Further details — not scored | ||
| Size | 42 MB | 24 MB |
| Age rating | 4+ | 4+ |
| Developer | Marcel Uhlemann | JAEMIN LEE |
In-app purchases
RuleCaddy
- RuleCaddy Pro$2.99
Golfbook
No in-app purchases








