# 51车联 vs A车联

The clearest difference is update cadence: 51车联 at every 4 weeks against A车联's every 4 months. A车联's advantage is iOS requirement (11.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

51车联 ships an update every 4 weeks, A车联 every 4 months. The most recent releases landed on September 2, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | 51车联 | A车联 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 weeks** | Every 4 months |
| Size | 74 MB | 36 MB |
| Requires iOS | 15.0 | **11.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [深圳市卓联启航科技有限公司](https://appshunter.io/developer/1266211236) | [Shenzhen xxsc Electronics Co.,Ltd.](https://appshunter.io/developer/1449241232) |

## What reviewers say

### 51车联

[App page](https://appshunter.io/ios/app/51/id1266212518)

**Features:** Vision Pro support

**In-app purchases:** none


### A车联

[App page](https://appshunter.io/ios/app/a/id1583197831)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 51车联 free?

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

### Is A车联 free?

A车联 is free to download, with no in-app purchases.

### Do 51车联 or A车联 have ads?

Neither 51车联 nor A车联 shows ads.

### Which is updated more often, 51车联 or A车联?

51车联 ships an update every 4 weeks, and A车联 every 4 months. Most recently, 51车联 was updated on September 2, 2026 and A车联 on September 10, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*