# Hendrickson WATCHMAN vs TechAssist™

The clearest difference is update cadence: TechAssist™ at fortnightly against Hendrickson WATCHMAN's every 4 months. TechAssist™ also leads on device support (3 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

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

Hendrickson WATCHMAN ships an update every 4 months, TechAssist™ fortnightly. The most recent releases landed on May 19, 2026 and September 2, 2026 respectively.

## The numbers

| Metric | Hendrickson WATCHMAN | TechAssist™ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.8 (10 ratings)](https://appshunter.io/ios/app/techassist/id6742431186/reviews)** |
| Number of ratings | — | **10** |
| Positive reviews | — | 80.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Fortnightly** |
| Monetization | — | Free |
| Size | 27 MB | 58 MB |
| Requires iOS | 16.0 | **15.5** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Hendrickson USA, L.L.C.](https://appshunter.io/developer/521777776) | [Phillips Connect](https://appshunter.io/developer/1671637342) |

## What reviewers say

### Hendrickson WATCHMAN

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

**Features:** macOS Compatibility

**In-app purchases:** none


### TechAssist™

[App page](https://appshunter.io/ios/app/techassist/id6742431186)

This app helps technicians install, configure, and troubleshoot smart hardware on trailers and mobile assets. It provides guided workflows and real-time diagnostics for sensors like tires, brakes, and lights, ensuring proper setup and issue resolution in the field.

**Highlights:** Associate smart gateways with trailers, Configure and verify sensors, Access real-time sensor diagnostics, Step-by-step guided workflows, Troubleshoot hardware issues

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

**In-app purchases:** none


## Frequently asked questions

### Is Hendrickson WATCHMAN free?

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

### Is TechAssist™ free?

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

### Do Hendrickson WATCHMAN or TechAssist™ have ads?

Neither Hendrickson WATCHMAN nor TechAssist™ shows ads.

### Which is updated more often, Hendrickson WATCHMAN or TechAssist™?

Hendrickson WATCHMAN ships an update every 4 months, and TechAssist™ fortnightly. Most recently, Hendrickson WATCHMAN was updated on May 19, 2026 and TechAssist™ on September 2, 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.*