# 即決ルーレット (Roulette) vs QR Scan Shield

The clearest difference is update cadence: QR Scan Shield at every 2 weeks against 即決ルーレット (Roulette)'s monthly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. 即決ルーレット (Roulette) sells 6 one-off in-app purchases and QR Scan Shield sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

即決ルーレット (Roulette) ships an update monthly, QR Scan Shield every 2 weeks. The most recent releases landed on November 7, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | 即決ルーレット (Roulette) | QR Scan Shield |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (7 ratings)](https://appshunter.io/ios/app/roulette/id1516442179/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 88.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Monthly | **Every 2 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 23 MB | 7 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Tomohiro Ohwada](https://appshunter.io/developer/991660409) | [SHUNSUKE FURUYA](https://appshunter.io/developer/1881025166) |

## What reviewers say

### 即決ルーレット (Roulette)

[App page](https://appshunter.io/ios/app/roulette/id1516442179)

This utility app helps you make random decisions using a customizable roulette wheel. Spin to decide anything with adjustable settings like spinning time, background music, and colors. Enjoy a fun and easy way to resolve choices.

**Highlights:** Random decision making, Customizable roulette operation, Adjustable spinning time, Customizable BGM, Color customization

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Development support | $0.99 | one-time |
| Remove Ads | $1.99 | one-time |
| Development support | $1.99 | one-time |
| Remove Ads & Support | $2.99 | one-time |
| Development support | $3.99 | one-time |
| Development support | $6.99 | one-time |


### QR Scan Shield

[App page](https://appshunter.io/ios/app/qr-scan-shield/id6760968099)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| QR Scan Shield Pro | $2.99 | one-time |


## Frequently asked questions

### Is 即決ルーレット (Roulette) free?

即決ルーレット (Roulette) is free to download, with in-app purchases available.

### Is QR Scan Shield free?

QR Scan Shield is free to download, with in-app purchases available.

### Do 即決ルーレット (Roulette) or QR Scan Shield have ads?

Both 即決ルーレット (Roulette) and QR Scan Shield show ads.

### Which is updated more often, 即決ルーレット (Roulette) or QR Scan Shield?

即決ルーレット (Roulette) ships an update monthly, and QR Scan Shield every 2 weeks. Most recently, 即決ルーレット (Roulette) was updated on November 7, 2026 and QR Scan Shield on October 31, 2026.

---

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