# Drum Roulette vs MahjongScore

The clearest difference is in-app purchases: Drum Roulette at none against MahjongScore's 1. Drum Roulette also leads on iOS requirement (12.0 vs 15.1). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. MahjongScore sells 1 in-app purchase, starting at $0.99 per month. Drum Roulette asks for nothing beyond the download.

Drum Roulette ships an update every 4 days, MahjongScore every 5 days. The most recent releases landed on October 24, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Drum Roulette | MahjongScore |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 4 days** | Every 5 days |
| Monetization | Ad-supported | — |
| Size | 28 MB | 42 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [takeshi ogawa](https://appshunter.io/developer/1676749157) | [TAISEI OKADA](https://appshunter.io/developer/1824433238) |

## What reviewers say

### Drum Roulette

[App page](https://appshunter.io/ios/app/drum-roulette/id6612032050)

Easily adjust the winning probability for each item on a roulette wheel. Set specific items to have a zero chance of winning, ensuring only desired outcomes occur with simple operations.

**Highlights:** Adjustable winning probability per item, Set winning probability to zero, Simple spin operation, Customizable outcomes, Intuitive interface

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### MahjongScore

[App page](https://appshunter.io/ios/app/mahjongscoreauto-calculation/id6792716929)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| プレミアム（月額） | $0.99 | per month |


## Frequently asked questions

### Is Drum Roulette free?

Drum Roulette is free to download, with no in-app purchases.

### Is MahjongScore free?

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

### Do Drum Roulette or MahjongScore have ads?

Both Drum Roulette and MahjongScore show ads.

### Which is updated more often, Drum Roulette or MahjongScore?

Drum Roulette ships an update every 4 days, and MahjongScore every 5 days. Most recently, Drum Roulette was updated on October 24, 2026 and MahjongScore on October 8, 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.*