# 期交所 vs 539精準預測（袁天罡）

The clearest difference is in-app purchases: 期交所 at none against 539精準預測（袁天罡）'s 2. 539精準預測（袁天罡）'s advantage is update cadence (daily vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 539精準預測（袁天罡） sells 2 in-app purchases, starting at $29.99 per month. 期交所 asks for nothing beyond the download.

期交所 ships an update every 2 months, 539精準預測（袁天罡） daily. The most recent releases landed on October 14, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | 期交所 | 539精準預測（袁天罡） |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 40.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Daily** |
| Monetization | — | Subscription |
| Size | 6 MB | 37 MB |
| Requires iOS | 13 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [臺灣期貨交易所](https://appshunter.io/developer/686377413) | [HOU-YU SHIH](https://appshunter.io/developer/1671957348) |

## What reviewers say

### 期交所

[App page](https://appshunter.io/ios/app/id686377410)

**Features:** macOS Compatibility

**In-app purchases:** none


### 539精準預測（袁天罡）

[App page](https://appshunter.io/ios/app/539/id6504139584)

This platform uses AI to predict lottery numbers, offering over a decade of historical prediction data. It includes features to analyze investment returns and assess algorithm reliability. Subscribers receive daily updated prediction data.

**Highlights:** AI-powered lottery number predictions, Over 10 years of prediction history, Investment return rate analysis, Algorithm reliability assessment, Daily updated prediction data, Subscription plans available

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 訂閱一個月 | $29.99 | per month |
| 訂閱一年 | $249.99 | per year |


## Frequently asked questions

### Is 期交所 free?

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

### Is 539精準預測（袁天罡） free?

539精準預測（袁天罡） is free to download, with in-app purchases available.

### Do 期交所 or 539精準預測（袁天罡） have ads?

Neither 期交所 nor 539精準預測（袁天罡） shows ads.

### Which is updated more often, 期交所 or 539精準預測（袁天罡）?

期交所 ships an update every 2 months, and 539精準預測（袁天罡） daily. Most recently, 期交所 was updated on October 14, 2026 and 539精準預測（袁天罡） on October 6, 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.*