Comparison

Learn to recognize the clock vs Mahj School

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

Head to head
About

Learn to recognize the clock

Features
Read full description

1. Recognize the clock by eliminating squares. 2. Use simple to complex patterns to quickly recognize the clock.

About

Mahj School

Master American Mahjong with interactive lessons and guided practice. Learn tiles, rules, and strategy from beginner to confident play. Designed for new players with a beautiful interface and no ads.

Highlights
  • Interactive lessons for beginners
  • Guided practice scenarios
  • Learn tile suits, honors, and jokers
  • Understand NMJL card and Charleston
  • Build and declare exposures
  • Complete game flow instruction
Features
Read full description

Learn American Mahjong the right way — with bite-sized, interactive lessons designed for complete beginners. Mahj School walks you through everything you need to sit down at a table and play with confidence. From tiles and suits to the Charleston, exposures, and reading the NMJL card — each lesson builds on the last with hands-on practice, not just reading. WHAT YOU'LL LEARN • Tile suits, honors, flowers, and jokers • How to read the NMJL card • The Charleston (tile passing) • Building and declaring exposures • Picking, calling, and discarding • Joker exchange rules • Dead hand situations • Complete game flow from deal to Mahjong! DESIGNED FOR BEGINNERS • 46 interactive lessons across 6 modules • 18 guided practice scenarios • Quizzes, tile sorting, hand reading, and more • Learn at your own pace — no timers, no pressure BEAUTIFUL DESIGN • Elegant interface inspired by the beauty of the tiles themselves • Hand-illustrated cherry blossom tile art • Botanical wallpaper backgrounds • Light and dark mode support FREE TO START Modules 1–2 and 3 practice scenarios are completely free. Unlock all 6 modules and all practice scenarios with a one-time purchase — no subscriptions, no ads, ever. Mahj School teaches game mechanics and strategy. The NMJL card is published separately by the National Mah Jongg League and is required for play. Not affiliated with or endorsed by the National Mah Jongg League.

Screenshots

Learn to recognize the clock2 screens
Mahj School4 screens

Verdict

The call

The clearest difference is price: Mahj School at Free against Learn to recognize the clock's $0.99. Mahj School also leads on update cadence (every 5 weeks vs every 28 months). Learn to recognize the clock's advantage is in-app purchases (none vs 1) and device support (4 vs 1). On ads 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

Mahj School is free to download; Learn to recognize the clock costs $0.99 up front. Mahj School sells 1 one-off in-app purchase. Learn to recognize the clock asks for nothing beyond the download.

UpkeepUpdate frequency

Learn to recognize the clock ships an update every 28 months, Mahj School every 5 weeks. The most recent releases landed on November 6, 2026 and October 31, 2026 respectively.

Scorecard5 real differences · 5 level
Learn to recognize the clock versus Mahj School: the parameters behind the verdict, then further details
ParameterLearn to recognize the clockMahj School
Price$0.99Free — better
Rating—3.7 (3 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—3 — better
Update frequencyEvery 28 monthsEvery 5 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhone, iPad, iPod, Mac — betteriPhone
Requires iOS11.0 — better17.0
Further details — not scored
Size29 MB7 MB
Age rating4+4+
Developer景琦 孙CloudApp IT, LLC

In-app purchases

None

Learn to recognize the clock

No in-app purchases

1 purchases

Mahj School

One-time1
  • Unlock All Lessons$9.99

Questions

Is Learn to recognize the clock free?
Learn to recognize the clock costs $0.99, with no in-app purchases.
Is Mahj School free?
Mahj School is free to download, with in-app purchases available.
Do Learn to recognize the clock or Mahj School have ads?
Neither Learn to recognize the clock nor Mahj School shows ads.
Which is updated more often, Learn to recognize the clock or Mahj School?
Learn to recognize the clock ships an update every 28 months, and Mahj School every 5 weeks. Most recently, Learn to recognize the clock was updated on November 6, 2026 and Mahj School on October 31, 2026.

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