# ARR TPMS vs 数马云工厂

The clearest difference is update cadence: 数马云工厂 at every 2 months against ARR TPMS's every 8 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.

ARR TPMS ships an update every 8 months, 数马云工厂 every 2 months. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | ARR TPMS | 数马云工厂 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 2 months** |
| Size | 34 MB | 19 MB |
| Requires iOS | 11.0 | 11.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 9+ |
| Developer | [伟才 邓](https://appshunter.io/developer/893608406) | [Shenzhen XHorse Electronics Co., Ltd.](https://appshunter.io/developer/847134173) |

## What reviewers say

### ARR TPMS

[App page](https://appshunter.io/ios/app/arr-tpms/id1582961228)

**Features:** macOS Compatibility

**In-app purchases:** none


### 数马云工厂

[App page](https://appshunter.io/ios/app/id1586239726)

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

**In-app purchases:** none


## Frequently asked questions

### Is ARR TPMS free?

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

### Is 数马云工厂 free?

数马云工厂 is free to download, with no in-app purchases.

### Do ARR TPMS or 数马云工厂 have ads?

Neither ARR TPMS nor 数马云工厂 shows ads.

### Which is updated more often, ARR TPMS or 数马云工厂?

ARR TPMS ships an update every 8 months, and 数马云工厂 every 2 months. Most recently, ARR TPMS was updated on November 3, 2026 and 数马云工厂 on October 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.*