Comparison

モバイル3人打ち麻雀 vs Riichi Mah

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

Head to head
About

モバイル3人打ち麻雀

Experience a unique variation of Mahjong with this game, featuring distinct rules from the standard four-player version. Enjoy a different gameplay experience where specific tiles are removed and the 'North' tile acts as a bonus. Adjust AI difficulty to suit your skill level and enjoy strategic play.

Highlights
  • Three-player Mahjong variation
  • Unique rule set (no 2-8 man, North is抜きドラ)
  • Adjustable AI difficulty
  • Strategic gameplay
  • Fast-paced matches
Features
Read full description

サンマの愛称でも知られている3人打ち麻雀(三人打ち麻雀)です。 4人打ちとは違ったルールで遊ぶ麻雀で、全く違うゲーム性を楽しめます。 北が抜きドラになります。二~八萬は存在しません。 3人打ち麻雀としてはスタンダードなルールを採用しています。 AIの強さ設定も可能で、弱くすると勝ちやすくなり、より大きな手も狙いやすくなります。 3人打ち特有のインフレ麻雀を楽しみたい場合にお勧めの麻雀ゲームです。

About

Riichi Mah

This app helps you calculate Mahjong scores and practice your hand efficiency. It can determine winning tiles, scores, and optimal plays from a given hand. It also offers quiz modes for both score calculation and tile efficiency practice.

Highlights
  • Calculate Mahjong scores from tile arrangements
  • Practice score calculation with quizzes
  • Calculate effective tiles for a given hand
  • Practice tile efficiency with quizzes
  • Determine winning tiles and potential scores
  • Analyze optimal plays for discarding and calling melds
Features
Read full description

◉ Calculate mahjong hand scores instantly! ◉ Practice score calculation with quiz-style questions! ◉ Calculate effective tiles for any hand! ◉ Practice tile efficiency with auto-generated quizzes! Mahjong Score Calc II is a powerful calculator with 4 core features: 1. Score calculation from your hand (waiting tiles, points, yaku, mentsu, fu breakdown) 2. Score practice quizzes (han/fu input and point input modes) 3. Effective tile calculation for any 13-tile hand (draw, call) 4. Tile efficiency quizzes (best discard, best draw, best call, effective tiles) This app is a complete upgrade to the score calculator tools that have long existed for riichi mahjong. Whether you can't figure out your waiting tiles, or want to know exactly how many points each draw is worth — calculate it all at once. Easily look up effective tiles during a game, while reviewing a hand record, or during a post-game discussion with friends. You can also check which meld would have been the best move. Infinite auto-generated "best discard" quizzes let you study mahjong anywhere — even on your commute. □ Premium Features ・All ads removed ・All features unlocked □ Plans ・Lifetime plan: One-time purchase for permanent access to all features ・Monthly plan: Monthly subscription for full access (auto-renews every month) ※ See the in-app store screen for pricing details. □ Restoring a Purchase When switching devices, you can restore your previous purchase for free. (Settings => Restore Purchase) Make sure you are signed in with the same Apple ID used at the time of purchase. □ Managing Your Subscription (Monthly plan only) Go to the Settings app => Your Apple ID at the top => Subscriptions => Select "Mahjong Score Calc II". From this screen you can check your next renewal date and cancel or re-enable auto-renewal. □ Auto-Renewal (Monthly plan only) If you do not cancel auto-renewal at least 24 hours before the end of the current period, your subscription will automatically renew. The renewal charge is processed within 24 hours after the end of the current period. □ Notes ・Purchases made within the app cannot be cancelled through any other method. ・Refunds for the current month are not available. ・Charges are processed through your Apple ID account. □ Terms of Use https://mahjongscore-90f16.web.app/en/terms.html □ Privacy Policy https://mahjongscore-90f16.web.app/en/privacy.html

Screenshots

モバイル3人打ち麻雀3 screens
Riichi Mah4 screens

Verdict

The call

The clearest difference is in-app purchases: モバイル3人打ち麻雀 at none against Riichi Mah's 7. モバイル3人打ち麻雀 also leads on iOS requirement (12.0 vs 17.6). Riichi Mah's advantage is update cadence (every 3 days vs every 13 months) and review sentiment (53% vs 37%). On price, ads and device support 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. Riichi Mah sells 7 in-app purchases, starting at $2.99 per month. モバイル3人打ち麻雀 asks for nothing beyond the download.

UpkeepUpdate frequency

モバイル3人打ち麻雀 ships an update every 13 months, Riichi Mah every 3 days. The most recent releases landed on September 14, 2026 and October 23, 2026 respectively.

Scorecard5 real differences · 5 level
モバイル3人打ち麻雀 versus Riichi Mah: the parameters behind the verdict, then further details
Parameterモバイル3人打ち麻雀Riichi Mah
PriceFreeFree
Rating—5.0 (1 ratings) — better
Positive reviews36.8% of reviews52.8% of reviews — better
Number of ratings—1 — better
Update frequencyEvery 13 monthsEvery 3 days — better
AdsYesYes
In-app purchasesNo — betterYes
MonetizationAd-supported — betterFreemium
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS12.0 — better17.6
Further details — not scored
Size7 MB619 MB
Age rating12+4+
DeveloperMocoGameKyohei Hakka

Customer experience

モバイル3人打ち麻雀

Written reviews19 reviews
Positive36.8%
Neutral21.1%
Negative42.1%

Riichi Mah

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews53 reviews
Positive52.8%
Neutral11.3%
Negative35.8%

In-app purchases

None

モバイル3人打ち麻雀

No in-app purchases

7 purchases

Riichi Mah

Subscriptions2
  • プレミアムプラン$2.991 Month
  • Premium Plan (Yearly)7 Days trial$24.991 Year
One-time5
  • 一括検索機能を開放$3.99
  • 広告削除$10.99
  • 生涯プレミアム(感謝版)$11.99
Show 2 more
  • 生涯プレミアム(セール)$19.99
  • 永久会員権$59.99

Questions

Is モバイル3人打ち麻雀 free?
モバイル3人打ち麻雀 is free to download, with no in-app purchases.
Is Riichi Mah free?
Riichi Mah is free to download, with in-app purchases available.
Do モバイル3人打ち麻雀 or Riichi Mah have ads?
Both モバイル3人打ち麻雀 and Riichi Mah show ads.
Which is updated more often, モバイル3人打ち麻雀 or Riichi Mah?
モバイル3人打ち麻雀 ships an update every 13 months, and Riichi Mah every 3 days. Most recently, モバイル3人打ち麻雀 was updated on September 14, 2026 and Riichi Mah on October 23, 2026.

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