# TJDZ vs Car 4x4

The clearest difference is update cadence: TJDZ at every 2 months against Car 4x4's every 14 months. 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.

TJDZ ships an update every 2 months, Car 4x4 every 14 months. Both last shipped on November 4, 2026.

## The numbers

| Metric | TJDZ | Car 4x4 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 14 months |
| Size | 33 MB | 47 MB |
| Requires iOS | 12.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Guangzhou Tianjian Automotive Products Co., Ltd](https://appshunter.io/developer/1716284778) | [Jiechu Technology Co., Ltd.](https://appshunter.io/developer/782466105) |

## What reviewers say

### TJDZ

[App page](https://appshunter.io/ios/app/tjdz/id6471932553)

**In-app purchases:** none


### Car 4x4

[App page](https://appshunter.io/ios/app/car-4x4/id6708230871)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is TJDZ free?

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

### Is Car 4x4 free?

Car 4x4 is free to download, with no in-app purchases.

### Do TJDZ or Car 4x4 have ads?

Neither TJDZ nor Car 4x4 shows ads.

### Which is updated more often, TJDZ or Car 4x4?

TJDZ ships an update every 2 months, and Car 4x4 every 14 months. Most recently, TJDZ was updated on November 4, 2026 and Car 4x4 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.*