# PS001 vs TPMS CN

PS001 and TPMS CN 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.

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on September 10, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | PS001 | TPMS CN |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/ps001/id6474819850/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | Monthly |
| Monetization | Free | — |
| Size | 102 MB | 100 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [JDiag Electronics Technology Co., Ltd](https://appshunter.io/developer/1298431912) | [Xi'an Tonglu Car Electronics Co., Ltd](https://appshunter.io/developer/1756468712) |

## What reviewers say

### PS001

[App page](https://appshunter.io/ios/app/ps001/id6474819850)

This utility tool allows for quick reading, programming, and learning of tire pressure systems. It supports a wide range of vehicle models and can activate tire pressure sensors wirelessly. The device is compatible with 315MHz and 433MHz sensors.

**Highlights:** Tire pressure reading, Tire pressure programming, Tire pressure learning, TPMS sensor activation, Wireless transmission, Supports 315MHz and 433MHz sensors

**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 PS001 free?

PS001 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 PS001 or TPMS CN have ads?

Neither PS001 nor TPMS CN shows ads.

### Which is updated more often, PS001 or TPMS CN?

PS001 ships an update monthly, and TPMS CN monthly. Most recently, PS001 was updated on September 10, 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.*