# Decision roulette vs 정병발사

The clearest difference is update cadence: 정병발사 at every 4 days against Decision roulette's every 5 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Decision roulette sells 1 one-off in-app purchase and 정병발사 sells 7 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Decision roulette ships an update every 5 months, 정병발사 every 4 days. The most recent releases landed on November 3, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | Decision roulette | 정병발사 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 5 months | **Every 4 days** |
| Size | 23 MB | 59 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [KiMin Sung](https://appshunter.io/developer/491711826) | [CANDE](https://appshunter.io/developer/6816118699) |

## What reviewers say

### Decision roulette

[App page](https://appshunter.io/ios/app/decision-roulette-random/id6447120499)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ads | $6.99 | one-time |


### 정병발사

[App page](https://appshunter.io/ios/app/ai/id6816118697)

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lite monthly | $4.99 | per month |
| Plus monthly | $7.99 | per month |
| 10 chat turns | $0.49 | one-time |
| 30 chat turns | $0.99 | one-time |
| 50 chat turns | $1.99 | one-time |
| 100 chat turns | $2.99 | one-time |
| 150 chat turns | $3.99 | one-time |


## Frequently asked questions

### Is Decision roulette free?

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

### Is 정병발사 free?

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

### Do Decision roulette or 정병발사 have ads?

Both Decision roulette and 정병발사 show ads.

### Which is updated more often, Decision roulette or 정병발사?

Decision roulette ships an update every 5 months, and 정병발사 every 4 days. Most recently, Decision roulette was updated on November 3, 2026 and 정병발사 on November 10, 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.*