# ARR TPMS vs TPMS CN

The clearest difference is update cadence: TPMS CN at monthly against ARR TPMS's every 8 months. ARR TPMS's advantage is iOS requirement (11.0 vs 13.0). 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.

ARR TPMS ships an update every 8 months, TPMS CN monthly. The most recent releases landed on September 22, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | ARR TPMS | TPMS CN |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Monthly** |
| Size | 34 MB | 100 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [伟才 邓](https://appshunter.io/developer/893608406) | [Xi'an Tonglu Car Electronics Co., Ltd](https://appshunter.io/developer/1756468712) |

## What reviewers say

### ARR TPMS

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

**Features:** macOS Compatibility

**In-app purchases:** none


### TPMS CN

[App page](https://appshunter.io/ios/app/tpms-cn/id6529535145)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ARR TPMS free?

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

### Is TPMS CN free?

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

### Do ARR TPMS or TPMS CN have ads?

Neither ARR TPMS nor TPMS CN shows ads.

### Which is updated more often, ARR TPMS or TPMS CN?

ARR TPMS ships an update every 8 months, and TPMS CN monthly. Most recently, ARR TPMS was updated on September 22, 2026 and TPMS CN on September 13, 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.*