Riichi Compass vs 13 Orphans Calculator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Riichi Compass
This application helps manage scores and game progress for Riichi Mahjong. It offers features like score tracking, wind management, and a digital dice roller to enhance gameplay. Focus on playing the game without worrying about scorekeeping.
- Score management
- Quick score exchanges
- Real-time score difference display
- Electronic dice function
- Game history recording
- Wind and counter tracking
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This app supports score management for Riichi Mahjong. With convenient features such as quick score exchanges, real-time score difference displays, electronic dice function, and game history recording, manage scores, winds, and counters. Focus on the game.
13 Orphans Calculator
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13 Orphans Calculator helps you score Mahjong hands and keep games moving at the table. Score hands across Riichi, MCR / Chinese Official, Hong Kong, and Taiwanese Mahjong, with support for custom rule profiles. Build your completed hand, enter the relevant scoring details, and review the result with clear point and payment information. Game tracking tools help tables record wins, draws, rounds, dealer changes, and score movement without needing an account. Designed for real Mahjong tables, 13 Orphans Calculator keeps the scoring process organized so you can spend less time calculating and more time playing. Features include: • Riichi Mahjong scoring • MCR / Chinese Official scoring • Hong Kong Mahjong scoring • Taiwanese Mahjong scoring • Custom rule profiles • Hand building and score calculation • Game and score tracking • Local-first play with no account required Optional Pro features are available through a one-time lifetime unlock.
Screenshots
Verdict
The clearest difference is in-app purchases: Riichi Compass at none against 13 Orphans Calculator's 1. Riichi Compass also leads on ads (none vs shown) and device support (3 vs 1). On price, update cadence 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
Both are free to download. 13 Orphans Calculator sells 1 one-off in-app purchase. Riichi Compass asks for nothing beyond the download.
Riichi Compass ships an update every 2 weeks, 13 Orphans Calculator every 9 days. The most recent releases landed on October 31, 2026 and November 10, 2026 respectively.
| Parameter | Riichi Compass | 13 Orphans Calculator |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 2 weeks | Every 9 days — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.1 — better | 16.4 |
| Further details — not scored | ||
| Size | 35 MB | 45 MB |
| Age rating | 4+ | 4+ |
| Developer | 禹 梁 | KEVIN ALLEN GONZALES ONG |
In-app purchases
Riichi Compass
No in-app purchases
13 Orphans Calculator
- 13 Orphans Pro Lifetime$4.99
Questions
Is Riichi Compass free?
Is 13 Orphans Calculator free?
Do Riichi Compass or 13 Orphans Calculator have ads?
Which is updated more often, Riichi Compass or 13 Orphans Calculator?
Other comparisons
