# 展业牛 vs 转盘鸭

The clearest difference is in-app purchases: 展业牛 at none against 转盘鸭's 6. 展业牛 also leads on iOS requirement (13.0 vs 15.0). 转盘鸭's advantage is update cadence (every 2 weeks vs every 9 months) and device support. On price there is nothing between them.

Both are free to download. 转盘鸭 sells 6 in-app purchases, starting at $0.99 per 7 days. 展业牛 asks for nothing beyond the download.

展业牛 ships an update every 9 months, 转盘鸭 every 2 weeks. The most recent releases landed on September 20, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | 展业牛 | 转盘鸭 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/ai/id6670562588/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | **No** | Yes |
| Ads | — | Yes |
| Update frequency | Every 9 months | **Every 2 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 64 MB | 98 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | — | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Hangzhou Zhanye Niu Digital Technology Co., Ltd](https://appshunter.io/developer/1759326044) | [俊銮 褚](https://appshunter.io/developer/1765933115) |

## What reviewers say

### 展业牛

[App page](https://appshunter.io/ios/app/360/id6479977101)

**In-app purchases:** none


### 转盘鸭

[App page](https://appshunter.io/ios/app/ai/id6670562588)

This app helps you make decisions with a variety of fun tools like spinning wheels, dice rolling, and coin flips. It offers AI-powered recommendations and features like blind box reveals and virtual "knock the wooden fish" for entertainment. Designed to combat indecisiveness and add a touch of surprise to daily life.

**Highlights:** AI-powered decision recommendations, Spinning wheel for choices, Dice rolling simulation, Coin flip with scoring, Blind box reveals, Virtual 'knock the wooden fish', Random number generation

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 连续包周 | $0.99 | per 7 days |
| 连续包月 | $1.99 | per month |
| 连续包年 | $7.99 | per year |
| 连续包年 | $14.99 | per year |
| 永久会员 | $14.99 | one-time |
| 永久会员 | $19.99 | one-time |


## Frequently asked questions

### Is 展业牛 free?

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

### Is 转盘鸭 free?

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

### Which is updated more often, 展业牛 or 转盘鸭?

展业牛 ships an update every 9 months, and 转盘鸭 every 2 weeks. Most recently, 展业牛 was updated on September 20, 2026 and 转盘鸭 on September 16, 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.*