# PS001 vs OhTPMS

The clearest difference is update cadence: PS001 at monthly against OhTPMS's every 3 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.

PS001 ships an update monthly, OhTPMS every 3 months. Both last shipped on September 10, 2026.

## The numbers

| Metric | PS001 | OhTPMS |
| --- | --- | --- |
| 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 3 months |
| Monetization | Free | — |
| Size | 102 MB | 102 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) | [Dajia Technology (Shenzhen) Co., Ltd.](https://appshunter.io/developer/1391476924) |

## 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


### OhTPMS

[App page](https://appshunter.io/ios/app/ohtpms/id6738409904)

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

**In-app purchases:** none


## Frequently asked questions

### Is PS001 free?

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

### Is OhTPMS free?

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

### Do PS001 or OhTPMS have ads?

Neither PS001 nor OhTPMS shows ads.

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

PS001 ships an update monthly, and OhTPMS every 3 months. Most recently, PS001 was updated on September 10, 2026 and OhTPMS on September 10, 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.*