# 工友慧 vs 51机械

The clearest difference is review sentiment: 51机械 at 100% against 工友慧's 50%. 51机械 also leads on in-app purchases (none vs 16) and ads (none vs shown). On price, update cadence, monetization model and device support there is nothing between them.

Both are free to download. 工友慧 sells 16 one-off in-app purchases. 51机械 asks for nothing beyond the download.

工友慧 ships an update every 3 weeks, 51机械 monthly. The most recent releases landed on September 21, 2026 and August 30, 2026 respectively.

## The numbers

| Metric | 工友慧 | 51机械 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/51/id6498631490/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Monthly |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 121 MB | 50 MB |
| Requires iOS | 13.0 | **12.4** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [蓝瓴信息科技(上海)有限公司](https://appshunter.io/developer/1466263269) | [HuiGong Technology (HangZhou) Co., Ltd.](https://appshunter.io/developer/1741716341) |

## What reviewers say

### 工友慧

[App page](https://appshunter.io/ios/app/id6446101708)

This app connects construction workers and employers for job opportunities and manages daily work details. It offers features for posting job openings, tracking attendance, managing finances, and facilitating communication. The platform aims to streamline hiring and administrative tasks within the construction industry.

**Highlights:** Construction job postings, Attendance and expense tracking, Work accounting, Instant messaging and voice chat, Team and member management

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

**In-app purchases (16)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 充值工友豆-20个 | $1.99 | one-time |
| 充值工友豆-20个(优惠价) | $1.99 | one-time |
| 开通招聘者VIP-新人会员周卡 | $3.99 | one-time |
| 开通VIP-豪华双月卡 | $6.99 | one-time |
| 充值工友豆-60个 | $6.99 | one-time |
| 充值工友豆-60个(优惠价) | $6.99 | one-time |
| 开通招聘者VIP-新人福利版月卡 | $7.99 | one-time |
| 充值工友豆-120个(优惠价) | $12.99 | one-time |
| 开通招聘者VIP-豪华月卡 | $14.99 | one-time |
| 充值工友豆-120个 | $14.99 | one-time |
| 开通招聘者VIP-豪华双月卡 | $24.99 | one-time |
| 充值工友豆-300个(优惠价) | $29.99 | one-time |
| 充值工友豆-300个 | $34.99 | one-time |
| 开通招聘者VIP-豪华季卡 | $39.99 | one-time |
| 充值工友豆-600个(优惠价) | $39.99 | one-time |
| 充值工友豆-600个 | $69.99 | 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 工友慧 free?

工友慧 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.

### Do 工友慧 or 51机械 have ads?

工友慧 shows ads; 51机械 does not.

### Which is updated more often, 工友慧 or 51机械?

工友慧 ships an update every 3 weeks, and 51机械 monthly. Most recently, 工友慧 was updated on September 21, 2026 and 51机械 on August 30, 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.*