# RouletteBox vs ホイッスル

The clearest difference is in-app purchases: RouletteBox at none against ホイッスル's 2. RouletteBox also leads on iOS requirement (12.0 vs 15.0). ホイッスル's advantage is update cadence (every 10 days vs every 6 months). On price, ads and device support there is nothing between them.

Both are free to download. ホイッスル sells 2 in-app purchases, starting at $1.99 per month. RouletteBox asks for nothing beyond the download.

RouletteBox ships an update every 6 months, ホイッスル every 10 days. The most recent releases landed on September 1, 2026 and September 5, 2026 respectively.

## The numbers

| Metric | RouletteBox | ホイッスル |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/roulettebox/id1606434812/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 6 months | **Every 10 days** |
| Monetization | Ad-supported | — |
| Size | 58 MB | 14 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Mizuho Sakakibara](https://appshunter.io/developer/1525536250) | [Naoki Yahata](https://appshunter.io/developer/1590150102) |

## What reviewers say

### RouletteBox

[App page](https://appshunter.io/ios/app/roulettebox/id1606434812)

This app provides a simple roulette wheel for decision-making and random selection. Easily input your options, save and load custom lists, and spin the wheel to get a random result for games or everyday choices.

**Highlights:** Customizable roulette wheel, Save and load data, Random result generation, Game and decision support, Simple user interface

**Features:** macOS Compatibility

**In-app purchases:** none


### ホイッスル

[App page](https://appshunter.io/ios/app/id6447121017)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| プレミアムプラン | $1.99 | per month |
| プレミアムプラン | $5.99 | per year |


## Frequently asked questions

### Is RouletteBox free?

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

### Is ホイッスル free?

ホイッスル is free to download, with in-app purchases available.

### Do RouletteBox or ホイッスル have ads?

Both RouletteBox and ホイッスル show ads.

### Which is updated more often, RouletteBox or ホイッスル?

RouletteBox ships an update every 6 months, and ホイッスル every 10 days. Most recently, RouletteBox was updated on September 1, 2026 and ホイッスル on September 5, 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.*