# R2o式 出欠管理表 vs Drum Roulette

The clearest difference is ads: R2o式 出欠管理表 at none against Drum Roulette's shown. R2o式 出欠管理表 also leads on iOS requirement (9.0 vs 12.0). Drum Roulette's advantage is update cadence (every 4 days vs monthly). On price, 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.

R2o式 出欠管理表 ships an update monthly, Drum Roulette every 4 days. The most recent releases landed on November 6, 2026 and November 12, 2026 respectively.

## The numbers

| Metric | R2o式 出欠管理表 | Drum Roulette |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Every 4 days** |
| Monetization | — | Ad-supported |
| Size | 22 MB | 28 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Atsuo Kazama](https://appshunter.io/developer/1442822891) | [takeshi ogawa](https://appshunter.io/developer/1676749157) |

## What reviewers say

### R2o式 出欠管理表

[App page](https://appshunter.io/ios/app/r2o/id1449111484)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is R2o式 出欠管理表 free?

R2o式 出欠管理表 is free to download, with no in-app purchases.

### Is Drum Roulette free?

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

### Do R2o式 出欠管理表 or Drum Roulette have ads?

Drum Roulette shows ads; R2o式 出欠管理表 does not.

### Which is updated more often, R2o式 出欠管理表 or Drum Roulette?

R2o式 出欠管理表 ships an update monthly, and Drum Roulette every 4 days. Most recently, R2o式 出欠管理表 was updated on November 6, 2026 and Drum Roulette on November 12, 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.*