# 公式大师Pro vs 智牛选股

The clearest difference is in-app purchases: 智牛选股 at none against 公式大师Pro's 4. 智牛选股 also leads on iOS requirement (13.0 vs 15.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. 公式大师Pro sells 4 one-off in-app purchases. 智牛选股 asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 8, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | 公式大师Pro | 智牛选股 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/pro-a/id1537943079/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | — | 28.6% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 14 MB | 143 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [治波 王](https://appshunter.io/developer/1744485157) | [Heilongjiang Rongwei Securities Data Program Co.,Ltd](https://appshunter.io/developer/843602674) |

## What reviewers say

### 公式大师Pro

[App page](https://appshunter.io/ios/app/pro-a/id1537943079)

This app helps stock traders find profitable stocks using AI-powered selection formulas and technical analysis tools. It offers a community of traders, a formula store, and tutorials for beginners. It supports custom formula creation and real-time market data.

**Highlights:** AI-powered stock selection, Community of stock traders, Formula store with AI formulas, Custom formula editor with syntax highlighting, Real-time market data, Technical indicators (MACD, KDJ, etc.), Formula tutorials

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 18金币 | $2.99 | one-time |
| 100金币 | $14.99 | one-time |
| 专家VIP | $22.99 | one-time |
| 300金币 | $49.99 | one-time |


### 智牛选股

[App page](https://appshunter.io/ios/app/id6740132778)

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

**In-app purchases:** none


## Frequently asked questions

### Is 公式大师Pro free?

公式大师Pro is free to download, with in-app purchases available.

### Is 智牛选股 free?

智牛选股 is free to download, with no in-app purchases.

### Do 公式大师Pro or 智牛选股 have ads?

Neither 公式大师Pro nor 智牛选股 shows ads.

### Which is updated more often, 公式大师Pro or 智牛选股?

公式大师Pro ships an update every 3 weeks, and 智牛选股 every 3 weeks. Most recently, 公式大师Pro was updated on October 8, 2026 and 智牛选股 on October 22, 2026.

---

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