# 投資先生 vs Pay4U 幫你付

The clearest difference is update cadence: 投資先生 at every 3 weeks against Pay4U 幫你付's every 4 months. On price, ads, 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.

投資先生 ships an update every 3 weeks, Pay4U 幫你付 every 4 months. The most recent releases landed on November 2, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | 投資先生 | Pay4U 幫你付 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.5 (34 ratings)](https://appshunter.io/ios/app/id1382114621/reviews)** | — |
| Number of ratings | **34** | — |
| Positive reviews | 57.6% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 4 months |
| Size | 238 MB | 20 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Yuanta Securities](https://appshunter.io/developer/377353449) | [和潤企業股份有限公司](https://appshunter.io/developer/1490549647) |

## What reviewers say

### 投資先生

[App page](https://appshunter.io/ios/app/id1382114621)

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

**In-app purchases:** none


### Pay4U 幫你付

[App page](https://appshunter.io/ios/app/pay4u/id6446575778)

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

**In-app purchases:** none


## Frequently asked questions

### Is 投資先生 free?

投資先生 is free to download, with no in-app purchases.

### Is Pay4U 幫你付 free?

Pay4U 幫你付 is free to download, with no in-app purchases.

### Do 投資先生 or Pay4U 幫你付 have ads?

Neither 投資先生 nor Pay4U 幫你付 shows ads.

### Which is updated more often, 投資先生 or Pay4U 幫你付?

投資先生 ships an update every 3 weeks, and Pay4U 幫你付 every 4 months. Most recently, 投資先生 was updated on November 2, 2026 and Pay4U 幫你付 on November 7, 2026.

---

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