Master the Laws of the Game
The smartest way to learn the 17 Laws of the Game. Built for soccer referees at every level — from grassroots to FIFA — with learning that actually sticks.
6 Ways to Study
Every session, your way
Whether you have 2 minutes or 20, there's a mode designed for how you want to learn.
Quick Quiz
10 random questions across all laws. Adaptive weighting targets your weak areas.
Study by Law
Focus on a specific law or topic. Deep-dive into the areas that matter most.
Scenarios
Real match situations that test your decision-making under pressure.
Exam Mode
Timed simulated referee exam with pass/fail results. Just like the real thing.
Daily Challenge
One question a day keeps the knowledge fresh. Build your streak and stay sharp.
Pre-Match Review
Quick 5-minute refresher before match day. Prioritized by your forgetting curve.
See It in Action
Clean, focused, distraction-free
Everything Included
All 17 laws and more
All 17 IFAB Laws
Complete coverage of every official law of the game.
Supplemental Topics
VAR protocol, practical guidelines, concussion protocol, and more.
Offline Ready
All questions bundled locally — no internet required to study.
Progress Tracking
Per-law accuracy, streaks, and weak area identification.
iCloud Sync
Your progress follows you across all your Apple devices.
3 Languages
Available in English, Spanish, and French.
Daily Challenges
Keep your streak alive with one question per day.
Bookmarks
Save tricky questions for focused review later.
US Soccer Content
US Soccer-specific modifications including build-out line, heading rules, and more.
Free to Use
All content, no paywalls
Every question, every mode, every feature — completely free. The app is ad-supported, or you can remove ads for a low annual price. Ads only help cover the infrastructure costs of keeping questions updated and processing your feedback.
Ready to become the best ref on the pitch?
Download Law 18 and start mastering the Laws of the Game today.