# PACIFIC TPMS(PMC) vs HeaderCheck

The clearest difference is in-app purchases: PACIFIC TPMS(PMC) at none against HeaderCheck's 1. PACIFIC TPMS(PMC) also leads on iOS requirement (9.0 vs 26.0). HeaderCheck's advantage is update cadence (every 2 days vs every 6 months). On price, ads and device support there is nothing between them.

Both are free to download. HeaderCheck sells 1 one-off in-app purchase. PACIFIC TPMS(PMC) asks for nothing beyond the download.

PACIFIC TPMS(PMC) ships an update every 6 months, HeaderCheck every 2 days. The most recent releases landed on October 7, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | PACIFIC TPMS(PMC) | HeaderCheck |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 2 days** |
| Size | 23 MB | 2 MB |
| Requires iOS | **9.0** | 26.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Jialihua Electronic Technology Co.,Ltd](https://appshunter.io/developer/1460105736) | [Nicholas McLarty](https://appshunter.io/developer/1572125539) |

## What reviewers say

### PACIFIC TPMS(PMC)

[App page](https://appshunter.io/ios/app/pacific-tpmspmc/id6743909722)

**Features:** macOS Compatibility

**In-app purchases:** none


### HeaderCheck

[App page](https://appshunter.io/ios/app/headercheck/id6809026356)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| HeaderCheck Pro | $2.99 | one-time |


## Frequently asked questions

### Is PACIFIC TPMS(PMC) free?

PACIFIC TPMS(PMC) is free to download, with no in-app purchases.

### Is HeaderCheck free?

HeaderCheck is free to download, with in-app purchases available.

### Do PACIFIC TPMS(PMC) or HeaderCheck have ads?

Neither PACIFIC TPMS(PMC) nor HeaderCheck shows ads.

### Which is updated more often, PACIFIC TPMS(PMC) or HeaderCheck?

PACIFIC TPMS(PMC) ships an update every 6 months, and HeaderCheck every 2 days. Most recently, PACIFIC TPMS(PMC) was updated on October 7, 2026 and HeaderCheck on October 3, 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.*