Comparison

RuleCaddy vs Golfbook

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • AI-powered search for rules
  • Intuitive navigation
  • Offline access to content
  • Regular updates for rule changes
  • Ad-free Pro version available
Features
Read 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.

About

Golfbook

Features
Read 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

RuleCaddy4 screens
Golfbook4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. RuleCaddy sells 1 one-off in-app purchase. Golfbook asks for nothing beyond the download.

UpkeepUpdate frequency

RuleCaddy ships an update fortnightly, Golfbook every 3 months. The most recent releases landed on October 8, 2026 and October 7, 2026 respectively.

Scorecard2 real differences · 7 level
RuleCaddy versus Golfbook: the parameters behind the verdict, then further details
ParameterRuleCaddyGolfbook
PriceFreeFree
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyFortnightly — betterEvery 3 months
AdsYesYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS15.115.0 — better
Further details — not scored
Size42 MB24 MB
Age rating4+4+
DeveloperMarcel UhlemannJAEMIN LEE

In-app purchases

1 purchases

RuleCaddy

One-time1
  • RuleCaddy Pro$2.99
None

Golfbook

No in-app purchases

Questions

Is RuleCaddy free?
RuleCaddy is free to download, with in-app purchases available.
Is Golfbook free?
Golfbook is free to download, with no in-app purchases.
Do RuleCaddy or Golfbook have ads?
Both RuleCaddy and Golfbook show ads.
Which is updated more often, RuleCaddy or Golfbook?
RuleCaddy ships an update fortnightly, and Golfbook every 3 months. Most recently, RuleCaddy was updated on October 8, 2026 and Golfbook on October 7, 2026.

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