# Mahjong Camera vs RiichiDeck

The clearest difference is ads: RiichiDeck at none against Mahjong Camera's shown. RiichiDeck also leads on update cadence (every 2 days vs every 6 weeks). Mahjong Camera's advantage is iOS requirement (13.0 vs 15.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Mahjong Camera sells 1 one-off in-app purchase and RiichiDeck sells 2 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

Mahjong Camera ships an update every 6 weeks, RiichiDeck every 2 days. The most recent releases landed on September 29, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Mahjong Camera | RiichiDeck |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (10 ratings)](https://appshunter.io/ios/app/mahjong-camera/id6475007399/reviews)** | — |
| Number of ratings | **10** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 6 weeks | **Every 2 days** |
| Monetization | Free with in-app purchases | — |
| Size | 220 MB | 52 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Wing Hin Liu](https://appshunter.io/developer/1723040905) | [Shinya Fukumura](https://appshunter.io/developer/6811294797) |

## What reviewers say

### 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 |


### RiichiDeck

[App page](https://appshunter.io/ios/app/riichideck/id6811294795)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| RiichiDeck Pro (Monthly) | $0.99 | per month |
| RiichiDeck Pro (Lifetime) | $6.99 | one-time |


## Frequently asked questions

### Is Mahjong Camera free?

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

### Is RiichiDeck free?

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

### Do Mahjong Camera or RiichiDeck have ads?

Mahjong Camera shows ads; RiichiDeck does not.

### Which is updated more often, Mahjong Camera or RiichiDeck?

Mahjong Camera ships an update every 6 weeks, and RiichiDeck every 2 days. Most recently, Mahjong Camera was updated on September 29, 2026 and RiichiDeck on October 10, 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.*