# Flash Roulette vs じゃんけんマスター

The clearest difference is ads: じゃんけんマスター at none against Flash Roulette's shown. Flash Roulette's advantage is iOS requirement (14.0 vs 17.6). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 5 months. The most recent releases landed on October 20, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Flash Roulette | じゃんけんマスター |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 5 months | Every 5 months |
| Monetization | Ad-supported | — |
| Size | 20 MB | 5 MB |
| Requires iOS | **14.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Motoki Takahashi](https://appshunter.io/developer/1411233238) | [Kensuke Aritoshi](https://appshunter.io/developer/1594542179) |

## What reviewers say

### Flash Roulette

[App page](https://appshunter.io/ios/app/flash-roulette/id1416417045)

Randomly select one of your registered cards, which can feature characters or images. Tap the screen to stop the selection process and reveal your chosen card. The game allows for quick switching between registered cards and offers an option to finish early with a long press.

**Highlights:** Customizable cards with images or characters, Random card selection, Quick card switching, Tap to stop selection, Long press to finish early

**Features:** macOS Compatibility

**In-app purchases:** none


### じゃんけんマスター

[App page](https://appshunter.io/ios/app/id1597869127)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Flash Roulette free?

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

### Is じゃんけんマスター free?

じゃんけんマスター is free to download, with no in-app purchases.

### Do Flash Roulette or じゃんけんマスター have ads?

Flash Roulette shows ads; じゃんけんマスター does not.

### Which is updated more often, Flash Roulette or じゃんけんマスター?

Flash Roulette ships an update every 5 months, and じゃんけんマスター every 5 months. Most recently, Flash Roulette was updated on October 20, 2026 and じゃんけんマスター on October 17, 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.*