# Phillips TPMS vs Hendrickson WATCHMAN

The clearest difference is device support: Phillips TPMS at 3 against Hendrickson WATCHMAN's 1. Phillips TPMS also leads on iOS requirement (13.0 vs 16.0). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Phillips TPMS ships an update every 8 months, Hendrickson WATCHMAN every 4 months. The most recent releases landed on July 17, 2026 and May 19, 2026 respectively.

## The numbers

| Metric | Phillips TPMS | Hendrickson WATCHMAN |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 4 months** |
| Size | 40 MB | 27 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Phillips](https://appshunter.io/developer/1349058006) | [Hendrickson USA, L.L.C.](https://appshunter.io/developer/521777776) |

## What reviewers say

### Phillips TPMS

[App page](https://appshunter.io/ios/app/phillips-tpms/id6479649265)

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

**In-app purchases:** none


### Hendrickson WATCHMAN

[App page](https://appshunter.io/ios/app/hendrickson-watchman/id6742217792)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Phillips TPMS free?

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

### Is Hendrickson WATCHMAN free?

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

### Do Phillips TPMS or Hendrickson WATCHMAN have ads?

Neither Phillips TPMS nor Hendrickson WATCHMAN shows ads.

### Which is updated more often, Phillips TPMS or Hendrickson WATCHMAN?

Phillips TPMS ships an update every 8 months, and Hendrickson WATCHMAN every 4 months. Most recently, Phillips TPMS was updated on July 17, 2026 and Hendrickson WATCHMAN on May 19, 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.*