# 芯查查 vs 工程师e家

The clearest difference is in-app purchases: 芯查查 at none against 工程师e家's 3. 芯查查 also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. 工程师e家 sells 3 one-off in-app purchases. 芯查查 asks for nothing beyond the download.

芯查查 ships an update monthly, 工程师e家 every 2 months. The most recent releases landed on November 3, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | 芯查查 | 工程师e家 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.0 (4 ratings)](https://appshunter.io/ios/app/id1549798378/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Monthly** | Every 2 months |
| Size | 94 MB | 61 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [深圳中电港技术股份有限公司](https://appshunter.io/developer/1701935537) | [Jinan Tailing Automation Technology Co., Ltd.](https://appshunter.io/developer/1618634520) |

## What reviewers say

### 芯查查

[App page](https://appshunter.io/ios/app/id1549798378)

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

**In-app purchases:** none


### 工程师e家

[App page](https://appshunter.io/ios/app/e/id1641033041)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 资料年会员 | $3.99 | one-time |
| 资料永久会员 | $12.99 | one-time |
| 视频永久会员 | $39.99 | one-time |


## Frequently asked questions

### Is 芯查查 free?

芯查查 is free to download, with no in-app purchases.

### Is 工程师e家 free?

工程师e家 is free to download, with in-app purchases available.

### Do 芯查查 or 工程师e家 have ads?

工程师e家 shows ads; 芯查查 does not.

### Which is updated more often, 芯查查 or 工程师e家?

芯查查 ships an update monthly, and 工程师e家 every 2 months. Most recently, 芯查查 was updated on November 3, 2026 and 工程师e家 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.*