# Technician Service Tool vs Tech Assist

The clearest difference is update cadence: Tech Assist at every 4 months against Technician Service Tool's every 13 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.

Technician Service Tool ships an update every 13 months, Tech Assist every 4 months. The most recent releases landed on October 21, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | Technician Service Tool | Tech Assist |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/technician-service-tool/id1439920995/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 13 months | **Every 4 months** |
| Monetization | Free | — |
| Size | 79 MB | 28 MB |
| Requires iOS | **12.0** | 12.4 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Whirlpool Corporation](https://appshunter.io/developer/448918053) | [K2 Power Inc](https://appshunter.io/developer/1093752650) |

## What reviewers say

### Technician Service Tool

[App page](https://appshunter.io/ios/app/technician-service-tool/id1439920995)

This application is designed for authorized service engineers to diagnose and upgrade firmware on select Whirlpool home appliances. It is strictly for professional use and not intended for consumers.

**Highlights:** Diagnose Whirlpool appliances, Upgrade appliance firmware, For authorized service engineers, Select Whirlpool models

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

**In-app purchases:** none


### Tech Assist

[App page](https://appshunter.io/ios/app/tech-assist/id6444752478)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Technician Service Tool free?

Technician Service Tool is free to download, with no in-app purchases.

### Is Tech Assist free?

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

### Do Technician Service Tool or Tech Assist have ads?

Neither Technician Service Tool nor Tech Assist shows ads.

### Which is updated more often, Technician Service Tool or Tech Assist?

Technician Service Tool ships an update every 13 months, and Tech Assist every 4 months. Most recently, Technician Service Tool was updated on October 21, 2026 and Tech Assist on September 16, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*