Comparison

Refi vs Law 18

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

Head to head
About

Refi

Features
Read full description

Refi is a smart football referee companion that helps you learn and test your knowledge of the game’s laws through quick, interactive quizzes and real match scenarios. It provides instant rule clarifications via an AI chat assistant and daily challenges to sharpen your decision-making, making Refi useful for referees, coaches, players, and fans. Whether you're preparing for a referee exam or simply improving your understanding of football rules, Refi offers an engaging and structured way to learn. • Interactive quizzes based on real match situations • AI assistant for fast rule explanations • Daily challenges to improve decision-making • Referee knowledge tracking & history • Lightweight, fast, and easy to use Subscriptions (Refi Pro): Refi Pro offers auto-renewable subscriptions that provide access to premium quizzes, deeper match scenarios, and additional rule analysis. • Payment will be charged to your Apple ID account • Subscription automatically renews unless cancelled at least 24 hours before the end of the current period • You may cancel or manage your subscription anytime from your App Store account settings Privacy Policy: [https://ahead-bite-703.notion.site/Refi-Privacy-Policy-2ba6fc9d3f478073857fdd5ef417b349?pvs=74](https://ahead-bite-703.notion.site/Refi-Privacy-Policy-2ba6fc9d3f478073857fdd5ef417b349?pvs=74) Terms of Use (EULA): [https://ahead-bite-703.notion.site/Refi-Privacy-Policy-2ba6fc9d3f478073857fdd5ef417b349?pvs=74](https://ahead-bite-703.notion.site/Refi-Privacy-Policy-2ba6fc9d3f478073857fdd5ef417b349?pvs=74)

About

Law 18

Master soccer's Laws of the Game with this quiz-based study app. Focus on specific laws, practice game scenarios, and track your progress with a spaced repetition algorithm. Optional modules cover US Soccer and specialized topics like VAR.

Highlights
  • Quiz-based study of Laws of the Game
  • Study by Law or Quick Quiz
  • Game scenario testing
  • Spaced repetition algorithm
  • Progress tracking by law
  • Optional US Soccer modules
  • Offline access
Read full description

Train smarter, referee better. Law 18 helps soccer referees at every level master the IFAB Laws of the Game through focused, quiz-based study. Study Your Way - Quick Quiz — randomized questions across all 17 Laws - Study by Law — focus on the areas you need most - Scenarios — game-situation questions that test real decision-making - Daily Challenge — one question a day to keep your knowledge sharp Built for Retention Questions are spaced using a proven review algorithm that prioritizes the topics you struggle with, so you spend time where it matters. Track Your Progress See your accuracy by law, identify weak areas, and watch your streak grow over time. US Soccer Referees Optional question sets cover US Soccer-specific topics including Referee Assessment Program (RAP), short-sided games, build out lines, heading restrictions, environmental conditions, and health & safety. Supplemental Topics Go beyond the 17 Laws with additional modules covering VAR, futsal, and other specialized areas. More Features - iCloud sync across all your devices - Exam mode to simulate test conditions - Bookmark questions for later review - Dark mode support - Works offline with bundled content Train like the ref you want to be. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.law18.app/privacy

Screenshots

Refi4 screens
Law 183 screens

Verdict

The call

The clearest difference is ads: Refi at none against Law 18's shown. Refi also leads on update cadence (every 4 days vs monthly) and device support (3 vs 1). On price and in-app purchases 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. Refi sells 1 in-app purchase, starting at $6.99 per month and Law 18 sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Refi ships an update every 4 days, Law 18 monthly. The most recent releases landed on November 12, 2026 and October 31, 2026 respectively.

Scorecard4 real differences · 5 level
Refi versus Law 18: the parameters behind the verdict, then further details
ParameterRefiLaw 18
PriceFreeFree
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyEvery 4 days — betterMonthly
AdsNo — betterYes
In-app purchasesYesYes
Monetization—Free with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.1 — better26.0
Further details — not scored
Size57 MB23 MB
Age rating4+12+
DeveloperDENIZ DIKMENMattas.net Ltd

In-app purchases

1 purchases

Refi

Subscriptions1
  • Refi Pro Monthly$6.991 Month
2 purchases

Law 18

Subscriptions2
  • Remove Ads$1.991 Month
  • Remove Ads$14.991 Year

Questions

Is Refi free?
Refi is free to download, with in-app purchases available.
Is Law 18 free?
Law 18 is free to download, with in-app purchases available.
Do Refi or Law 18 have ads?
Law 18 shows ads; Refi does not.
Which is updated more often, Refi or Law 18?
Refi ships an update every 4 days, and Law 18 monthly. Most recently, Refi was updated on November 12, 2026 and Law 18 on October 31, 2026.

Other comparisons