Comparison

Learn PHP vs Referee Race

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

Head to head
About

Learn PHP

Master PHP with AI-powered lessons, a built-in IDE for coding on the go, and instant code correction. Generate code examples, run your scripts, and take notes to track your learning progress. Offers a complete curriculum and online coding challenges.

Highlights
  • AI-powered learning and code suggestions
  • Built-in IDE for mobile coding
  • AI code correction and generation
  • Integrated PHP compiler for instant execution
  • Note-taking and code saving features
  • Comprehensive PHP curriculum
  • Online coding challenges
Features
Read full description

Learn PHP from scratch — no experience needed. Bite-sized PHP lessons, a real code editor on your phone, and an AI mentor that answers your questions in seconds. Built for complete beginners, students and career switchers. WHY LEARN PHP? • PHP is an in-demand skill — a strong addition to any resume • Learn by doing: every lesson mixes short theory with hands-on practice • Build real foundations you can use in projects, work and interviews • Start from zero — every concept is explained in plain language WHAT YOU'LL LEARN • PHP fundamentals — the core concepts, step by step • The essential building blocks used in real-world PHP work • Practical techniques you can apply right away • Common mistakes — and how to avoid them • Hands-on exercises after every topic • Advanced topics to keep growing beyond the basics EVERYTHING YOU NEED TO LEARN PHP • AI Mentor — stuck on a concept or an error? Ask anything and get a clear answer in seconds • 100+ bite-sized lessons (5–10 minutes each) — built for real life, not lecture halls • Real code editor — write and run PHP code right on your phone • Quizzes and coding challenges after every topic to lock in what you learn • Weekly Code Challenge — compete with learners around the world • Certificate of completion — pass the final exam and prove your skills • Streaks, progress tracking and smart reminders to keep you consistent • Learn on the go — lessons load fast and keep working on flaky connections • App available in 22 languages WHO IT'S FOR • Complete beginners taking their first steps • Students who want extra practice alongside classes • Career switchers building job-ready skills • Anyone curious about PHP Part of CoddyKit — a family of 40+ coding apps trusted by 100,000+ learners worldwide. Free to start: your first course is free, with a daily AI Mentor allowance. Pro unlocks every course, removes ads and gives you unlimited AI Mentor. Download Learn PHP: Code & Run and write your first line of PHP today. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.coddykit.com/terms/privacy-policy

About

Referee Race

Features
Read full description

Referee Race is the ultimate training app for karate referees and practitioners who want to master the rulebook in a fun and competitive way. Whether you're preparing for a referee certification or simply want to deepen your knowledge of karate rules, Referee Race makes learning engaging and competitive. GAME MODES • Quiz : Test your knowledge across Kumite, Kata, or mixed modules • Daily Challenge : A new timed quiz every day to keep your skills sharp • Duels : Challenge another player in real-time 1v1 battles • Exam : Simulate real exam conditions with 50 questions in 20 minutes • Group Quiz : Compete in multi-player sessions with a live leaderboard TRACK YOUR PROGRESS View your stats, climb the leaderboards (daily, weekly, seasonal, global), and earn badges as you improve.

Screenshots

Learn PHP4 screens
Referee Race3 screens

Verdict

The call

The clearest difference is in-app purchases: Referee Race at none against Learn PHP's 4. Referee Race also leads on ads (none vs shown). On price, 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. Learn PHP sells 4 in-app purchases, starting at $3.99 per 7 days. Referee Race asks for nothing beyond the download.

Scorecard2 real differences · 7 level
Learn PHP versus Referee Race: the parameters behind the verdict, then further details
ParameterLearn PHPReferee Race
PriceFreeFree
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyEvery 3 weeks—
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.115.1
Further details — not scored
Size67 MB35 MB
Age rating4+4+
DeveloperMEHMET CANKER (TR)Cedrick Wong

In-app purchases

4 purchases

Learn PHP

Subscriptions3
  • Weekly Subscription$3.997 Days
  • Monthly Subscription$4.991 Month
  • Yearly Subscription$8.901 Year
One-time1
  • Lifetime Subscription$19.90
None

Referee Race

No in-app purchases

Questions

Is Learn PHP free?
Learn PHP is free to download, with in-app purchases available.
Is Referee Race free?
Referee Race is free to download, with no in-app purchases.
Do Learn PHP or Referee Race have ads?
Learn PHP shows ads; Referee Race does not.

Other comparisons