# PS001 vs JSNFC

PS001 and JSNFC 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.

PS001 ships an update monthly, JSNFC every 2 months. The most recent releases landed on September 10, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | PS001 | JSNFC |
| --- | --- | --- |
| 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** | Every 2 months |
| Monetization | Free | — |
| Size | 102 MB | 103 MB |
| Requires iOS | **13.0** | 14.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [JDiag Electronics Technology Co., Ltd](https://appshunter.io/developer/1298431912) | [惠州锦云盛](https://appshunter.io/developer/1753840181) |

## 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


### JSNFC

[App page](https://appshunter.io/ios/app/jsnfc/id6504783154)

**In-app purchases:** none


## Frequently asked questions

### Is PS001 free?

PS001 is free to download, with no in-app purchases.

### Is JSNFC free?

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

### Do PS001 or JSNFC have ads?

Neither PS001 nor JSNFC shows ads.

### Which is updated more often, PS001 or JSNFC?

PS001 ships an update monthly, and JSNFC every 2 months. Most recently, PS001 was updated on September 10, 2026 and JSNFC on September 14, 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.*