# 股票成本通 vs 質押大師（Pledge Master）

The clearest difference is price: 質押大師（Pledge Master） at Free against 股票成本通's $1.99. 股票成本通's advantage is in-app purchases (none vs 3). On ads, device support and iOS requirement there is nothing between them.

質押大師（Pledge Master） is free to download; 股票成本通 costs $1.99 up front. 質押大師（Pledge Master） sells 3 one-off in-app purchases. 股票成本通 asks for nothing beyond the download.

## The numbers

| Metric | 股票成本通 | 質押大師（Pledge Master） |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Positive reviews | 71.4% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | — |
| Size | 5 MB | 31 MB |
| Requires iOS | **14.1** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [CHIA JEN CHENG](https://appshunter.io/developer/1560068355) | [Chihyuan Chou](https://appshunter.io/developer/1893949508) |

## What reviewers say

### 股票成本通

[App page](https://appshunter.io/ios/app/id1576340877)

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

**In-app purchases:** none


### 質押大師（Pledge Master）

[App page](https://appshunter.io/ios/app/pledge-master/id6762367589)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 小額贊助 NT$30 | $0.99 | one-time |
| 小額贊助 NT$60 | $1.99 | one-time |
| 小額贊助 NT$150 | $4.99 | one-time |


## Frequently asked questions

### Is 股票成本通 free?

股票成本通 costs $1.99, with no in-app purchases.

### Is 質押大師（Pledge Master） free?

質押大師（Pledge Master） is free to download, with in-app purchases available.

### Do 股票成本通 or 質押大師（Pledge Master） have ads?

Neither 股票成本通 nor 質押大師（Pledge Master） shows ads.

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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.*