# MJ Calc vs Mahjong Camera

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.

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.

## The numbers

| Metric | MJ Calc | Mahjong Camera |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (15 ratings)](https://appshunter.io/ios/app/mj-calc/id809873488/reviews)** | [4.6 (10 ratings)](https://appshunter.io/ios/app/mahjong-camera/id6475007399/reviews) |
| Number of ratings | **15** | 10 |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 34 MB | 220 MB |
| Requires iOS | **9.1** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ka Ho Lam](https://appshunter.io/developer/809873491) | [Wing Hin Liu](https://appshunter.io/developer/1723040905) |

## What reviewers say

### MJ Calc

[App page](https://appshunter.io/ios/app/mj-calc/id809873488)

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.

**Highlights:** Quick Mahjong score calculation, Easy to use interface, Accurate score determination, Convenient scoring tool

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 移除廣告 | $0.99 | one-time |


### Mahjong Camera

[App page](https://appshunter.io/ios/app/mahjong-camera/id6475007399)

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.

**Highlights:** Scan winning hands for instant scoring, Supports Riichi, Hong Kong, Taiwanese Mahjong, Mahjong waits calculator, Save and share score tables, Record game scores

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Lifetime Subscription | $7.99 | one-time |


## Frequently asked questions

### Is MJ Calc free?

MJ Calc is free to download, with in-app purchases available.

### Is Mahjong Camera free?

Mahjong Camera is free to download, with in-app purchases available.

### Which has better reviews, MJ Calc or Mahjong Camera?

MJ Calc is rated higher. MJ Calc averages 5.0 out of 5 from 15 ratings, while Mahjong Camera averages 4.6 from 10 ratings.

### Do MJ Calc or Mahjong Camera have ads?

Mahjong Camera shows ads; MJ Calc does not.

### Which is updated more often, MJ Calc or Mahjong Camera?

MJ Calc ships an update every 2 months, and Mahjong Camera every 6 weeks. Most recently, MJ Calc was updated on October 11, 2026 and Mahjong Camera on September 29, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*