# TJDZ vs Roller Control

TJDZ and Roller Control are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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, Roller Control monthly. The most recent releases landed on September 8, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | TJDZ | Roller Control |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Size | 33 MB | 63 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Guangzhou Tianjian Automotive Products Co., Ltd](https://appshunter.io/developer/1716284778) | [佛山卡沃汽车用品有限责任公司](https://appshunter.io/developer/1813105386) |

## What reviewers say

### TJDZ

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

**In-app purchases:** none


### Roller Control

[App page](https://appshunter.io/ios/app/roller-control/id6745595333)

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

**In-app purchases:** none


## Frequently asked questions

### Is TJDZ free?

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

### Is Roller Control free?

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

### Do TJDZ or Roller Control have ads?

Neither TJDZ nor Roller Control shows ads.

### Which is updated more often, TJDZ or Roller Control?

TJDZ ships an update every 2 months, and Roller Control monthly. Most recently, TJDZ was updated on September 8, 2026 and Roller Control on September 20, 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.*