# 企查查 vs 51机械

The clearest difference is rating: 51机械 at 5.0 against 企查查's 2.1. 51机械 also leads on review sentiment (100% vs 61%) and in-app purchases (none vs 9). 企查查's advantage is ratings volume (52 vs 1). On price, update cadence, ads and monetization model there is nothing between them.

Both are free to download. 企查查 sells 9 in-app purchases, starting at $9.99 per month. 51机械 asks for nothing beyond the download.

51机械 holds the better App Store score, 5.0 against 2.1. That said, the two scores are not equally well evidenced: 企查查 has 52 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 61% of 企查查's written reviews are positive against 100% of 51机械's.

企查查 ships an update every 6 weeks, 51机械 monthly. The most recent releases landed on October 16, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | 企查查 | 51机械 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.1 (52 ratings)](https://appshunter.io/ios/app/id878075397/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/51/id6498631490/reviews)** |
| Number of ratings | **52** | 1 |
| Positive reviews | 61.4% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Monthly** |
| Monetization | Freemium | Free with in-app purchases |
| Size | 131 MB | 49 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [QICHACHA TEC CO., LTD.](https://appshunter.io/developer/937688250) | [HuiGong Technology (HangZhou) Co., Ltd.](https://appshunter.io/developer/1741716341) |

## What reviewers say

### 企查查

[App page](https://appshunter.io/ios/app/id878075397)

Access a comprehensive database of over 580 million global companies, updated daily with over 27 million data points. Utilize advanced AI and deep learning to analyze business information, identify risks, and uncover market opportunities.

**Highlights:** Global company data coverage, Real-time data updates, AI-powered business analysis, Enterprise background checks, Risk monitoring, Business opportunity discovery, Relationship mapping

**Features:** macOS Compatibility

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 企查查VIP订阅（1月） | $9.99 | per month |
| 企查查VIP订阅（1季） | $19.99 | per 3 months |
| 企查查VIP订阅（1年） | $49.99 | per year |
| 企查查1年VIP | $59.99 | one-time |
| 企查查2年VIP | $99.99 | one-time |
| 企查查3年VIP | $99.99 | one-time |
| 企查查1年SVIP | $249.99 | one-time |
| 企查查2年SVIP | $499.99 | one-time |
| 企查查3年SVIP | $499.99 | one-time |


### 51机械

[App page](https://appshunter.io/ios/app/51/id6498631490)

This platform connects owners of construction machinery with job opportunities for rental and sale. It also facilitates recruitment for machine operators and provides tools for maintenance, repair, and project management. Users can access a marketplace for new and used equipment, streamlining operations and transactions within the industry.

**Highlights:** Find jobs and rentals for excavators, loaders, and cranes, Recruit certified and experienced machine operators, Access repair and maintenance services for machinery, Utilize project management and accounting tools, Buy and sell used construction equipment, Digital construction site management

**In-app purchases:** none


## Frequently asked questions

### Is 企查查 free?

企查查 is free to download, with in-app purchases available.

### Is 51机械 free?

51机械 is free to download, with no in-app purchases.

### Which has better reviews, 企查查 or 51机械?

51机械 is rated higher. 企查查 averages 2.1 out of 5 from 52 ratings, while 51机械 averages 5.0 from 1 ratings.

### Do 企查查 or 51机械 have ads?

Neither 企查查 nor 51机械 shows ads.

### Which is updated more often, 企查查 or 51机械?

企查查 ships an update every 6 weeks, and 51机械 monthly. Most recently, 企查查 was updated on October 16, 2026 and 51机械 on October 15, 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.*