# 太公管工 vs PPA系统

The clearest difference is in-app purchases: PPA系统 at none against 太公管工's 12. 太公管工's advantage is update cadence (every 8 days vs monthly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 太公管工 sells 12 one-off in-app purchases. PPA系统 asks for nothing beyond the download.

太公管工 ships an update every 8 days, PPA系统 monthly. The most recent releases landed on October 7, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | 太公管工 | PPA系统 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 8 days** | Monthly |
| Size | 138 MB | 31 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 9+ | 17+ |
| Developer | [Ningbo Jiangtaigong Network Technology Co., Ltd.](https://appshunter.io/developer/1125955815) | [Linde Engineering APAC Co., Ltd.](https://appshunter.io/developer/1637768301) |

## What reviewers say

### 太公管工

[App page](https://appshunter.io/ios/app/id1437592525)

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 银行卡信息识别增值服务 | $39.99 | one-time |
| 短信通知增值服务 | $39.99 | one-time |
| 银行卡信息识别增值服务 | $89.99 | one-time |
| 短信通知增值服务 | $89.99 | one-time |
| 银行卡信息识别增值服务 | $129.99 | one-time |
| 短信通知增值服务 | $129.99 | one-time |
| 银行卡信息识别增值服务 | $149.99 | one-time |
| 短信通知增值服务 | $179.99 | one-time |
| 银行卡信息识别增值服务 | $199.99 | one-time |
| 短信通知增值服务 | $199.99 | one-time |
| 银行卡信息识别增值服务 | $229.99 | one-time |
| 短信通知增值服务 | $299.99 | one-time |


### PPA系统

[App page](https://appshunter.io/ios/app/ppa/id6444094203)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 太公管工 free?

太公管工 is free to download, with in-app purchases available.

### Is PPA系统 free?

PPA系统 is free to download, with no in-app purchases.

### Do 太公管工 or PPA系统 have ads?

Neither 太公管工 nor PPA系统 shows ads.

### Which is updated more often, 太公管工 or PPA系统?

太公管工 ships an update every 8 days, and PPA系统 monthly. Most recently, 太公管工 was updated on October 7, 2026 and PPA系统 on October 10, 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.*