# 老兵机械 vs 51机械

The clearest difference is in-app purchases: 51机械 at none against 老兵机械's 3. 51机械 also leads on update cadence (fortnightly vs every 7 months). 老兵机械's advantage is iOS requirement (9.0 vs 13.0). On price, ads and device support there is nothing between them.

Both are free to download. 老兵机械 sells 3 one-off in-app purchases. 51机械 asks for nothing beyond the download.

老兵机械 ships an update every 7 months, 51机械 fortnightly. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | 老兵机械 | 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 | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 7 months | **Fortnightly** |
| Monetization | — | Free with in-app purchases |
| Size | 20 MB | 49 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Chengdu Xiwei Lida Network Technology Co., Ltd.](https://appshunter.io/developer/1530891021) | [HuiGong Technology (HangZhou) Co., Ltd.](https://appshunter.io/developer/1741716341) |

## What reviewers say

### 老兵机械

[App page](https://appshunter.io/ios/app/id1558777369)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 会员服务费 | $0.99 | one-time |
| 充值会员 | $0.99 | one-time |
| 会员一年 | $6.99 | one-time |


### 51机械

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

This platform connects construction machinery owners with job opportunities and rental requests. It also facilitates driver recruitment, repair services, and management tools for equipment owners. Additionally, it offers a marketplace for buying and selling used machinery.

**Highlights:** Machinery rental and job listings, Driver recruitment, Repair and maintenance services, Equipment management tools, Used machinery marketplace, Construction site management features

**In-app purchases:** none


## Frequently asked questions

### Is 老兵机械 free?

老兵机械 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 老兵机械 or 51机械 have ads?

Neither 老兵机械 nor 51机械 shows ads.

### Which is updated more often, 老兵机械 or 51机械?

老兵机械 ships an update every 7 months, and 51机械 fortnightly. Most recently, 老兵机械 was updated on November 3, 2026 and 51机械 on November 4, 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.*