MJ Calc vs Mahjong Camera
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
MJ Calc
This utility app simplifies Mahjong scoring calculations. It offers a user-friendly interface for quick and accurate score determination. Ideal for Mahjong players seeking a convenient scoring tool.
- Quick Mahjong score calculation
- Easy to use interface
- Accurate score determination
- Convenient scoring tool
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MJ Calc 可助你快速計算麻雀分數，簡單易用。
Mahjong Camera
Effortlessly calculate Mahjong scores by scanning your winning hand. Supports multiple game variations and provides a waits calculator to identify all possible winning patterns. Save and share score tables easily.
- Scan winning hands for instant scoring
- Supports Riichi, Hong Kong, Taiwanese Mahjong
- Mahjong waits calculator
- Save and share score tables
- Record game scores
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• Calculate Han/Fu/Faan/Tai in seconds by scanning your winning hand • Supports multiple mahjong variations: Riichi Mahjong, Hong Kong Mahjong, Taiwanese Mahjong, and HK Style Taiwanese Mahjong • Mahjong waits calculator: Find out all wait patterns and never miss a chance again • Save Faan table as images or share via AirDrop and other methods (HK Style Taiwanese Mahjong) • Record mahjong game scores with ease
Screenshots
Verdict
The clearest difference is ads: MJ Calc at none against Mahjong Camera's shown. MJ Calc also leads on rating (5.0 vs 4.6) and monetization model (free vs free with in-app purchases). On price, ratings volume, update cadence 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
Both are free to download. MJ Calc sells 1 one-off in-app purchase and Mahjong Camera sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
MJ Calc holds the better App Store score, 5.0 against 4.6. Both are backed by a comparable volume of ratings — 15 and 10 respectively.
MJ Calc ships an update every 2 months, Mahjong Camera every 6 weeks. The most recent releases landed on October 11, 2026 and September 29, 2026 respectively.
| Parameter | MJ Calc | Mahjong Camera |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (15 ratings) — better | 4.6 (10 ratings) |
| Positive reviews | — | 50.0% of reviews |
| Number of ratings | 15 — better | 10 |
| Update frequency | Every 2 months | Every 6 weeks — better |
| Ads | No — better | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 9.1 — better | 13.0 |
| Further details — not scored | ||
| Size | 34 MB | 220 MB |
| Age rating | 4+ | 4+ |
| Developer | Ka Ho Lam | Wing Hin Liu |
Customer experience
MJ Calc
Mahjong Camera
In-app purchases
MJ Calc
- 移除廣告$0.99
Mahjong Camera
- Premium Lifetime Subscription$7.99
Questions
Is MJ Calc free?
Is Mahjong Camera free?
Which has better reviews, MJ Calc or Mahjong Camera?
Do MJ Calc or Mahjong Camera have ads?
Which is updated more often, MJ Calc or Mahjong Camera?
Other comparisons
